Actividad 4.6: Gastos Médicos
Andrea Sánchez
2023-10-08
0. Contexto
Una empresa ubicada en Carolina del Norte, Estados Unidos, se dedica a gestionar reclamaciones de compensaciones laborales. Como parte de sus operaciones, ha recolectado una cantidad significativa de datos e información. Sin embargo, para poder aprovecharla es necesario realizar un análisis intensivo de la base de datos de las reclamaciones que ha gestionado en los últimos años. Los resultados, permitirán, entre otras cosas, identificar qué factores influyen mayormente en el costo y tiempo de procesamiento de las reclamaciones, con el objetivo principal de mejorar el servicio a los clientes, y reducir costos para la compañía y sus clientes.
El proceso de limpieza, y análisis se muestra a continuación, en donde se utilizaron árboles de decisión, clusterización, modelos de regresión lineal, entre otros.
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## ℹ Use the conflicted package (<http://conflicted.r-lib.org/>) to force all conflicts to become errors## Welcome! Want to learn more? See two factoextra-related books at https://goo.gl/ve3WBa1. Importar la base de datos
Base de datos Transacciones (transactions)
Base de datos Reclamaciones (claims)
2. Entender la base de datos
# Se utiliza la función summary para revisar NA's, las variables que se incluyen en la base de datos, así como su tipo.
summary(bd)## ClaimID BillReviewALE Hospital PhysicianOutpatient
## Min. : 633915 Min. : -456.0 Min. : -12570.4 Min. : -4655.7
## 1st Qu.: 810246 1st Qu.: 16.0 1st Qu.: 193.9 1st Qu.: 107.6
## Median : 856915 Median : 32.0 Median : 559.1 Median : 221.6
## Mean :12344572 Mean : 191.2 Mean : 4394.7 Mean : 1752.3
## 3rd Qu.:22716420 3rd Qu.: 80.0 3rd Qu.: 2253.4 3rd Qu.: 710.5
## Max. :62246496 Max. :56475.3 Max. :2759604.0 Max. :1481468.5
## NA's :139865 NA's :145262 NA's :84986
## Rx TotalPaid TotalReserves TotalRecovery
## Min. : -469.5 Min. : -270 Min. : 0 Min. : 0.00
## 1st Qu.: 23.3 1st Qu.: 60 1st Qu.: 0 1st Qu.: 0.00
## Median : 58.3 Median : 235 Median : 0 Median : 0.00
## Mean : 1140.4 Mean : 6746 Mean : 2233 Mean : 68.88
## 3rd Qu.: 174.5 3rd Qu.: 938 3rd Qu.: 0 3rd Qu.: 0.00
## Max. :631635.5 Max. :4527291 Max. :2069575 Max. :130541.03
## NA's :145752 NA's :52673 NA's :52673 NA's :52673
## IndemnityPaid OtherPaid ClaimStatus IncidentDate
## Min. : -475 Min. : -7820 Length:186677 Length:186677
## 1st Qu.: 0 1st Qu.: 58 Class :character Class :character
## Median : 0 Median : 230 Mode :character Mode :character
## Mean : 3061 Mean : 3685
## 3rd Qu.: 0 3rd Qu.: 855
## Max. :640732 Max. :4129915
## NA's :52673 NA's :52673
## IncidentDescription ReturnToWorkDate AverageWeeklyWage ClaimantOpenedDate
## Length:186677 Length:186677 Length:186677 Length:186677
## Class :character Class :character Class :character Class :character
## Mode :character Mode :character Mode :character Mode :character
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## ClaimantClosedDate EmployerNotificationDate ReceivedDate IsDenied
## Length:186677 Length:186677 Length:186677 Min. :0.00
## Class :character Class :character Class :character 1st Qu.:0.00
## Mode :character Mode :character Mode :character Median :0.00
## Mean :0.04
## 3rd Qu.:0.00
## Max. :1.00
## NA's :52673
## ClaimantAge_at_DOI Gender ClaimantType InjuryNature
## Length:186677 Length:186677 Length:186677 Length:186677
## Class :character Class :character Class :character Class :character
## Mode :character Mode :character Mode :character Mode :character
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## BodyPartRegion BodyPart X X.1
## Length:186677 Length:186677 Mode:logical Mode:logical
## Class :character Class :character NA's:186677 NA's:186677
## Mode :character Mode :character
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## X.2 X.3 X.4 X.5 X.6
## Mode:logical Mode:logical Mode:logical Mode:logical Mode:logical
## NA's:186677 NA's:186677 NA's:186677 NA's:186677 NA's:186677
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## X.7 X.8 X.9 X.10 X.11
## Mode:logical Mode:logical Mode:logical Mode:logical Mode:logical
## NA's:186677 NA's:186677 NA's:186677 NA's:186677 NA's:186677
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## X.12 X.13 X.14 X.15 X.16
## Mode:logical Mode:logical Mode:logical Mode:logical Mode:logical
## NA's:186677 NA's:186677 NA's:186677 NA's:186677 NA's:186677
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## X.17 X.18 X.19 X.20 X.21
## Mode:logical Mode:logical Mode:logical Mode:logical Mode:logical
## NA's:186677 NA's:186677 NA's:186677 NA's:186677 NA's:186677
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## X.22
## Mode:logical
## NA's:186677
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## Observaciones:
Se observan valores NAs en múltiples variables.
Las columnas con las variables X están vacías (se deben eliminar).
La variables de Fechas se encuentran en formato carácter.
ClaimantAge_at_DOI (Edad) y AverageWeeklyWage (Salario promedio) se encuentran en formato carácter, pero son númericas (se debe hacer la respectiva conversión).
No existe la columna de Costo Total Incurrido (Total_Incurred_Cost).
No existe la columna de Tiempo de Procesamiento
3. Limpieza y tratamiento de la base de datos
Eliminación de las columnas X’s
bd <- bd[, !(names(bd) %in% c("X", "X.1", "X.2", "X.3", "X.4", "X.5", "X.6", "X.7", "X.8", "X.9",
"X.10", "X.11", "X.12", "X.13", "X.14", "X.15", "X.16", "X.17", "X.18", "X.19", "X.20", "X.21", "X.22", "BillReviewALE", "Hospital", "PhysicianOutpatient", "Rx"))]
summary(bd) # También se elimina BillReviewALE, Hospital, PhysicianOutpatient y RX porque tienen muchos valores NA## ClaimID TotalPaid TotalReserves TotalRecovery
## Min. : 633915 Min. : -270 Min. : 0 Min. : 0.00
## 1st Qu.: 810246 1st Qu.: 60 1st Qu.: 0 1st Qu.: 0.00
## Median : 856915 Median : 235 Median : 0 Median : 0.00
## Mean :12344572 Mean : 6746 Mean : 2233 Mean : 68.88
## 3rd Qu.:22716420 3rd Qu.: 938 3rd Qu.: 0 3rd Qu.: 0.00
## Max. :62246496 Max. :4527291 Max. :2069575 Max. :130541.03
## NA's :52673 NA's :52673 NA's :52673
## IndemnityPaid OtherPaid ClaimStatus IncidentDate
## Min. : -475 Min. : -7820 Length:186677 Length:186677
## 1st Qu.: 0 1st Qu.: 58 Class :character Class :character
## Median : 0 Median : 230 Mode :character Mode :character
## Mean : 3061 Mean : 3685
## 3rd Qu.: 0 3rd Qu.: 855
## Max. :640732 Max. :4129915
## NA's :52673 NA's :52673
## IncidentDescription ReturnToWorkDate AverageWeeklyWage ClaimantOpenedDate
## Length:186677 Length:186677 Length:186677 Length:186677
## Class :character Class :character Class :character Class :character
## Mode :character Mode :character Mode :character Mode :character
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##
##
## ClaimantClosedDate EmployerNotificationDate ReceivedDate IsDenied
## Length:186677 Length:186677 Length:186677 Min. :0.00
## Class :character Class :character Class :character 1st Qu.:0.00
## Mode :character Mode :character Mode :character Median :0.00
## Mean :0.04
## 3rd Qu.:0.00
## Max. :1.00
## NA's :52673
## ClaimantAge_at_DOI Gender ClaimantType InjuryNature
## Length:186677 Length:186677 Length:186677 Length:186677
## Class :character Class :character Class :character Class :character
## Mode :character Mode :character Mode :character Mode :character
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## BodyPartRegion BodyPart
## Length:186677 Length:186677
## Class :character Class :character
## Mode :character Mode :character
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## Conversión de variables al formato correcto
Variables a tipo Fecha
bd$ReturnToWorkDate <- as.Date(bd$ReturnToWorkDate, format = "%d/%m/%y")
bd$ClaimantOpenedDate <- as.Date(bd$ClaimantOpenedDate, format = "%d/%m/%y")
bd$ClaimantClosedDate <- as.Date(bd$ClaimantClosedDate, format = "%d/%m/%y")
bd$EmployerNotificationDate <- as.Date(bd$EmployerNotificationDate, format = "%d/%m/%y")
bd$ReceivedDate <- as.Date(bd$ReceivedDate, format = "%d/%m/%y")
bd$IncidentDate <- as.Date(bd$IncidentDate, format = "%d/%m/%y")Columna Costo Total Incurrido (TotalIncurredCost)
Columna Tiempo de Procesamiento (TiempoDeProcesamiento)
Borrar datos atípicos
Se eliminarán los datos aípicos del Tiempo de Procesamiento y Costo Total Incurrido.
Tiempo de Procesamiento
### TiempoDeProcesamiento
# Gráfica de boxplot para identificar si existen datos atípicos en la variable TiempoDeProcesamiento
boxplot(bd$TiempoDeProcesamiento, main="Tiempo de Procesamiento", ylab="Valores")
Dado que se han identificado outliers, se eliminarán los valores menores a 0 en el Tiempo de Procesamiento. Cabe mencionar que no se aplicará la fórmula del cálculo del Límite Inferior y Superior, ya que para poder ejecutarla, se necesita una base de datos sin valores NA, y el borrarlos desde un principio reducirá las filas de la base de datos de manera muy abrupta. Por eso, sólo se realizará de acuerdo a la boxplot.
# Eliminación de las filas cuyo TiempoDeProcesamiento sea menor a 0
bd <- bd[bd$TiempoDeProcesamiento > 0, ]# Revisión de la operación anterior e identificación de nuevos outliers.
# Gráfica de boxplot
boxplot(bd$TiempoDeProcesamiento, main="Tiempo de Procesamiento", ylab="Valores")
Se observa que los datos atípicos en el Tiempo de Procesamiento comienzan aproximadamente a partir de 8000. Entonces se elimarán las filas cuyo Tiempo de Procesamiento sea mayor a este dato.
# Eliminación de las filas cuyo TiempoDeProcesamiento sea mayor a 8000
bd <- bd[bd$TiempoDeProcesamiento < 8000, ]# Revisión de la operación anterior
# Gráfica de boxplot
boxplot(bd$TiempoDeProcesamiento, main="Tiempo de Procesamiento", ylab="Valores")
Ya no se observan datos atípicos significativos, sin embargo, se volverá a hacer una revisión en la parte de clusterización.
Costo Total Incurrido
### TotalIncurredCost
# Gráfica de boxplot para identificar si existen datos atípicos en la variable TotalIncurredCost
boxplot(bd$TotalIncurredCost, main="Costo Total Incurrido", ylab="Valores")
Se observa que los datos atípicos en el Costo Total Incurrido comienzan aproximadamente a partir de 60,000. Entonces se eliminarán las filas cuyo Costo Total Incurrido sea mayor a este dato, y menor a 0.
# Filtrar las filas cuyo Costo Total Incurrido sea menor a 60,000 y mayor a 0
bd <- bd[bd$TotalIncurredCost < 60000 & bd$TotalIncurredCost > 0, ]# Revisión de la operación anterior
# Gráfica de boxplot
boxplot(bd$TotalIncurredCost, main="Costo total incurrido", ylab="Valores")
Como se observa, se ha eliminado la mayor parte de los valores atíícos del Tiempo de Procesamiento y Costo Total Incurrido de la base de datos.
Personalización
Comprobación
## ClaimID TotalPaid TotalReserves TotalRecovery
## Min. : 650915 Min. : 3.0 Min. :0 Min. : 0.0
## 1st Qu.: 817932 1st Qu.: 257.4 1st Qu.:0 1st Qu.: 0.0
## Median : 835440 Median : 1132.7 Median :0 Median : 0.0
## Mean : 8231238 Mean : 6868.2 Mean :0 Mean : 138.5
## 3rd Qu.:10512786 3rd Qu.: 6910.0 3rd Qu.:0 3rd Qu.: 0.0
## Max. :61546646 Max. :127037.7 Max. :0 Max. :75000.0
##
## IndemnityPaid OtherPaid ClaimStatus IncidentDate
## Min. : -475 Min. :-7820.5 Length:17295 Min. :1983-10-21
## 1st Qu.: 0 1st Qu.: 244.1 Class :character 1st Qu.:2004-04-15
## Median : 0 Median : 921.0 Mode :character Median :2008-03-07
## Mean : 2837 Mean : 4031.2 Mean :2007-01-01
## 3rd Qu.: 1966 3rd Qu.: 4085.4 3rd Qu.:2010-10-12
## Max. :126128 Max. :82815.2 Max. :2014-06-06
##
## IncidentDescription ReturnToWorkDate AverageWeeklyWage
## Length:17295 Min. :1983-10-24 Min. : 500.0
## Class :character 1st Qu.:2004-11-18 1st Qu.: 568.2
## Mode :character Median :2008-07-02 Median : 666.0
## Mean :2007-05-10 Mean : 1001.1
## 3rd Qu.:2011-01-12 3rd Qu.: 843.0
## Max. :2014-06-06 Max. :2024000.0
## NA's :1755
## ClaimantOpenedDate ClaimantClosedDate EmployerNotificationDate
## Min. :1994-08-07 Min. :2005-03-31 Min. :1983-10-21
## 1st Qu.:2004-05-30 1st Qu.:2006-04-30 1st Qu.:2004-04-04
## Median :2008-04-17 Median :2009-03-09 Median :2008-02-27
## Mean :2007-02-10 Mean :2009-04-01 Mean :2006-12-28
## 3rd Qu.:2010-11-02 3rd Qu.:2011-09-21 3rd Qu.:2010-10-08
## Max. :2014-06-06 Max. :2014-06-30 Max. :2014-06-06
## NA's :140
## ReceivedDate IsDenied ClaimantAge_at_DOI Gender
## Min. :1988-09-11 Min. :0.0000 Min. :-7550.00 Length:17295
## 1st Qu.:2004-05-25 1st Qu.:0.0000 1st Qu.: 37.00 Class :character
## Median :2008-04-04 Median :0.0000 Median : 46.00 Mode :character
## Mean :2007-02-07 Mean :0.0632 Mean : 42.72
## 3rd Qu.:2010-11-02 3rd Qu.:0.0000 3rd Qu.: 53.00
## Max. :2014-06-06 Max. :1.0000 Max. : 87.00
## NA's :2982
## ClaimantType InjuryNature BodyPartRegion BodyPart
## Length:17295 Length:17295 Length:17295 Length:17295
## Class :character Class :character Class :character Class :character
## Mode :character Mode :character Mode :character Mode :character
##
##
##
##
## TotalIncurredCost TiempoDeProcesamiento
## Min. : 0.07 Min. : 2
## 1st Qu.: 247.58 1st Qu.: 121
## Median : 1071.55 Median : 322
## Mean : 6729.66 Mean : 781
## 3rd Qu.: 6709.07 3rd Qu.:1078
## Max. :59987.17 Max. :6328
## 4. Modelación
Clusterización
Subtabla Tiempo de Procesamiento y Costo Total Incurrido
# A partir de la base de datos inicial, se crea una nueva que contiene sólo las columnas a utilizar, en este caso TiempoDeProcesamiento, TotalIncurredCost y el ClaimID para identificar el registro.
bd1 <- subset(bd, select = c("TiempoDeProcesamiento", "TotalIncurredCost", "ClaimID"))# Se visualiza si existen valores NA en la nueva base de datos
sapply(bd1, function(x) sum (is.na(x)))## TiempoDeProcesamiento TotalIncurredCost ClaimID
## 0 0 0Dado que no existen, se continúa con el proceso.
# Se nombran a los renglones como el ClaimID, y después se elimina esta variable, ya que sólo funge como identificador.
rownames(bd1) <- bd1$ClaimID
bd1 <- subset(bd1, select = -c(ClaimID))## TiempoDeProcesamiento TotalIncurredCost
## Min. : 2 Min. : 0.07
## 1st Qu.: 121 1st Qu.: 247.58
## Median : 322 Median : 1071.55
## Mean : 781 Mean : 6729.66
## 3rd Qu.:1078 3rd Qu.: 6709.07
## Max. :6328 Max. :59987.17En la sección de Limpieza de Datos se realizó un análisis para identificar outliers en las variables, pero éste fue meramente visual a partir de las boxplot. Por lo tanto, en este paso se eliminarán de acuerdo a los límites superiores, que establecen el rango “normal” para estos valores.
TiempoDeProcesamiento
## [1] 957# Se aplica un summary para ver los máximos, mínimos, y cuartiles de cada una de las variables de la base de datos.
summary(bd1)## TiempoDeProcesamiento TotalIncurredCost
## Min. : 2 Min. : 0.07
## 1st Qu.: 121 1st Qu.: 247.58
## Median : 322 Median : 1071.55
## Mean : 781 Mean : 6729.66
## 3rd Qu.:1078 3rd Qu.: 6709.07
## Max. :6328 Max. :59987.17Sólo se calculará el Límite Superior, porque para tiempo y costos, el valor cero es la ausencia de la característica, y por lo tanto, el Límite Inferior.
## [1] 2513.5Con esto, se elinarán los valores mayores a 2513.5.
# Eliminación de las filas cuyo TiempoDeProcesamiento sea menor o igual a 2726
bd1 <- bd1[bd1$TiempoDeProcesamiento <= 2513.5, ]# Se gráfica nuevamente la variable TiempoDeProcesamiento para asegurar que ya no se cuenta con datos atípicos, o fuera del rango establecido.
boxplot(bd1$TiempoDeProcesamiento)
TotalIncurredCost
Debido a que se trata de costos, solo se calculará el Límite Superior, pues los valores menores a 0 sí representan la ausencia de la característica.
## [1] 6444.105# Se aplica un summary para ver los máximos, mínimos, y cuartiles de cada una de las variables de la base de datos.
summary(bd1)## TiempoDeProcesamiento TotalIncurredCost
## Min. : 2.0 Min. : 0.34
## 1st Qu.: 113.0 1st Qu.: 258.21
## Median : 260.0 Median : 1126.84
## Mean : 534.5 Mean : 6771.62
## 3rd Qu.: 746.0 3rd Qu.: 6702.31
## Max. :2513.0 Max. :59987.17## [1] 16368.47Debido a que se trata de costos, se eliminarán los valores negativos y los que son mayores a 16368.47
# Se gráfica nuevamente la variable TiempoDeProcesamiento para asegurar que ya no se cuenta con datos atípicos, o fuera del rango establecido.
boxplot(bd1$TotalIncurredCost)
Asignación de Grupos
## TiempoDeProcesamiento TotalIncurredCost
## Min. :-0.7913 Min. :-0.6663
## 1st Qu.:-0.6151 1st Qu.:-0.6041
## Median :-0.4528 Median :-0.4738
## Mean : 0.0000 Mean : 0.0000
## 3rd Qu.: 0.1351 3rd Qu.: 0.1248
## Max. : 3.5894 Max. : 3.9514
Optimización de la cantidad de grupos
#Se optimiza la cantidad de grupos
#set.seed(123)
#optimizacion <- clusGap(bd1, FUN=kmeans, nstart=1, K.max=10)
#plot(optimizacion, xlab = "Número de clusters K")
# El punto más alto de la gráfica indica la cantidad de puntos óptimos Intento de análisis de clusters Después del proceso de clusterización, se revisa qué grupo(cluster) es el mejor y cuál es el peor, para fortalecer los hallazgos del análisis.
## Group.1 TiempoDeProcesamiento TotalIncurredCost
## 1 1 -0.52990534 -0.5402376
## 2 2 1.01760848 -0.1969848
## 3 3 2.84476966 -0.2322263
## 4 4 2.21383341 2.4260370
## 5 5 0.03121063 1.3534067
## 6 6 0.20986013 3.0091071
## 7 7 -0.31502586 0.1558923De acuerdo a la gráfica, y a la tabla anterior se observa que el peor cluster (grupo de quejas con mayor tiempo y costo) es el número 1; mientras que “el mejor” es el 3, ya que tiene los valores más pequeños. A contiuación se añadirán la columna del cluster, a la base madre, para poder analizar las reclamaciones.
# Se agrega nuevamente la columna de ClaimID a la base de datos de los clusters
bd1$ClaimID <- rownames(bd1)## TiempoDeProcesamiento TotalIncurredCost segmentos.cluster ClaimID
## Min. :-0.7913 Min. :-0.6663 Min. :1.000 Length:13261
## 1st Qu.:-0.6151 1st Qu.:-0.6041 1st Qu.:1.000 Class :character
## Median :-0.4528 Median :-0.4738 Median :1.000 Mode :character
## Mean : 0.0000 Mean : 0.0000 Mean :2.649
## 3rd Qu.: 0.1351 3rd Qu.: 0.1248 3rd Qu.:5.000
## Max. : 3.5894 Max. : 3.9514 Max. :7.000Árbol de Decisión
Nueva base de datos
Previo a la creación del árbol, se le dio tratamiento a algunas variables de tipo categórico para realizar el árbol de decisiones.
InjuryNature
# InjuryNature
resumen_conteo <- bd2%>%
count(InjuryNature) %>%
arrange(desc(n)) # Ordenar por la columna 'n' en orden descendente
print(resumen_conteo) # Respuestas a esta columna## InjuryNature n
## 1 Strain 5117
## 2 Contusion 3507
## 3 Sprain 2056
## 4 Laceration 1126
## 5 All Other Specific Injuries, Noc 1095
## 6 Fracture 1076
## 7 Multiple Physical Injuries Only 661
## 8 Puncture 461
## 9 Carpal Tunnel Syndrome 254
## 10 Foreign Body 240
## 11 Inflammation 212
## 12 Dermatitis 202
## 13 Burn 162
## 14 Dislocation 127
## 15 Respiratory Disorders 113
## 16 Crushing 112
## 17 No Physical Injury 107
## 18 Concussion 96
## 19 Hernia 81
## 20 Infection 57
## 21 Non-Standard Code 57
## 22 Rupture 49
## 23 Mental Stress 40
## 24 Not Available 40
## 25 Poisoning?Chemical (Other Than Metals) 30
## 26 Contagious Disease 28
## 27 Heat Prostration 22
## 28 Multiple Injuries Including Both Physical and Psychological 20
## 29 Syncope 20
## 30 Electric Shock 18
## 31 Amputation 16
## 32 Asbestosis 13
## 33 All Other Cumulative Injury, NOC 10
## 34 Loss of Hearing 10
## 35 Hearing Loss Or Impairment 9
## 36 Myocardial Infarction 7
## 37 Poisoning?General (NOT OD or Cumulative Injury) 7
## 38 Vision Loss 7
## 39 All Other Occupational Disease Injury, NOC 5
## 40 Severance 5
## 41 Mental Disorder 4
## 42 Dust Disease, NOC 3
## 43 Silicosis 3
## 44 Vascular 3
## 45 Radiation 2
## 46 AIDS 1
## 47 Asphyxiation 1
## 48 Cancer 1
## 49 Freezing 1
## 50 VDT-Related Disease 1Dado que se trata de una gran cantidad de respuestas diferentes, se añadirá una nueva columna a la base de datos que remplace a la columna en donde existen múltiples respuestas
# Esta línea de código crea una nueva columna en donde si el Injury Nature es Strain, se pondrá esos registros en la categoría Strain, si no, se agregó otra condición que aplique para Contusión (ya que son los regsitros que más filas tienen), y por último, si los registros no entran en las condiciones asignará "Others".
bd2$GroupInjury <- ifelse(bd2$InjuryNature == "Strain", "Strain",
ifelse(bd2$InjuryNature == "Contusion", "Contusion", "Others"))BodyPart
# BodyPart
resumen_conteo <- bd2%>%
count(BodyPart) %>%
arrange(desc(n)) # Ordenar por la columna 'n' en orden descendente
print(resumen_conteo) # Respuestas a esta columna## BodyPart n
## 1 Knee 2094
## 2 Multiple Body Parts (Including Body Systems and Body Parts) 1977
## 3 Lower Back Area 1684
## 4 Finger(S) 1118
## 5 Shoulder(S) 1042
## 6 Hand 1000
## 7 Ankle 925
## 8 Wrist 777
## 9 Foot 586
## 10 Eyes 439
## 11 Lower Leg 397
## 12 Lower Arm 383
## 13 Soft Tissue-Neck 375
## 14 Thumb 347
## 15 Multiple Head Injury 345
## 16 Elbow 324
## 17 Multiple Neck Injury 312
## 18 Upper Arm 261
## 19 Chest 255
## 20 Hip 226
## 21 Abdomen 210
## 22 Lumbar and/or Sacral Vertebrae (Vertebra NOC Trunk) 205
## 23 Multiple Upper Extremities 205
## 24 Multiple Lower Extremities 144
## 25 Upper Leg 130
## 26 Upper Back Area 126
## 27 Soft Tissue-Head 120
## 28 Disc-Trunk 111
## 29 Facial Bones 96
## 30 No Physical Injury 95
## 31 Toes 95
## 32 Skull 81
## 33 Lungs 76
## 34 Ear(S) 74
## 35 Non-Standard Code 73
## 36 Insufficient Info to Properly Identify?Unclassified 72
## 37 Nose 71
## 38 Buttocks 65
## 39 Teeth 62
## 40 Mouth 60
## 41 Internal Organs 47
## 42 Body Systems and Multiple Body Systems 38
## 43 Multiple Trunk 35
## 44 Great Toe 30
## 45 Pelvis 27
## 46 Spinal Cord-Trunk 21
## 47 Sacrum And Coccyx 12
## 48 Whole Body 11
## 49 Brain 10
## 50 Heart 10
## 51 Larynx 6
## 52 Vertebrae 6
## 53 Trachea 3
## 54 Artificial Appliance 1BodyPartRegion
# BodyPartRegion
resumen_conteo <- bd2%>%
count(BodyPartRegion) %>%
arrange(desc(n)) # Ordenar por la columna 'n' en orden descendente
print(resumen_conteo) # Respuestas a esta columna## BodyPartRegion n
## 1 Upper Extremities 5457
## 2 Lower Extremities 4627
## 3 Trunk 2884
## 4 Multiple Body Parts 2194
## 5 Head 1358
## 6 Neck 702
## 7 Non-Standard Code 73Comprobación
A continuación se revisa que las nuevas columnas se hayan creado correctamente.
# Se comprueba la operación anterior
resumen_conteo <- bd2%>%
count(GroupInjury) %>%
arrange(desc(n)) # Ordenar por la columna 'n' en orden descendente
print(resumen_conteo)## GroupInjury n
## 1 Others 8671
## 2 Strain 5117
## 3 Contusion 3507# Se comprueba la operación anterior
resumen_conteo <- bd2%>%
count(GroupBodyPart) %>%
arrange(desc(n)) # Ordenar por la columna 'n' en orden descendente
print(resumen_conteo)## GroupBodyPart n
## 1 Others 13224
## 2 Knee 2094
## 3 Multiple Body Parts 1977# Se comprueba la operación anterior
resumen_conteo <- bd2%>%
count(GroupBodyPR) %>%
arrange(desc(n)) # Ordenar por la columna 'n' en orden descendente
print(resumen_conteo)## GroupBodyPR n
## 1 Others 7211
## 2 Upper Extremities 5457
## 3 Lower Extremities 4627Tiempo de Procesamiento
# Se crea el árbol para el Tiempo de Procesamiento (TiempoDeProcesamiento)
arbol <- rpart(formula = TiempoDeProcesamiento ~ TotalIncurredCost + AverageWeeklyWage + ClaimantAge_at_DOI + Gender + ClaimantType + GroupBodyPR + GroupInjury + GroupBodyPart, data = bd2)
arbol## n= 17295
##
## node), split, n, deviance, yval
## * denotes terminal node
##
## 1) root 17295 15686840000 780.9736
## 2) TotalIncurredCost< 6803.83 12996 11770610000 662.2985
## 4) GroupBodyPart=Knee,Others 11593 9238594000 603.8415 *
## 5) GroupBodyPart=Multiple Body Parts 1403 2165052000 1145.3290 *
## 3) TotalIncurredCost>=6803.83 4299 3179890000 1139.7320 *
Costo Total Incurrido (TotalIncurredCost)
# Se crea el árbol de decisión para el Costo Total Incurrido (TotalIncurredCost)
arbol <- rpart(formula = TotalIncurredCost ~ TiempoDeProcesamiento + AverageWeeklyWage + ClaimantAge_at_DOI + TiempoDeProcesamiento + Gender + ClaimantType + GroupInjury + GroupBodyPart + GroupBodyPR, data = bd2)
arbol## n= 17295
##
## node), split, n, deviance, yval
## * denotes terminal node
##
## 1) root 17295 2.408921e+12 6729.6600
## 2) ClaimantType=Medical Only,Report Only 8618 1.330940e+10 674.6686 *
## 3) ClaimantType=Indemnity 8677 1.765838e+12 12743.4800
## 6) TiempoDeProcesamiento< 304.5 2375 7.847668e+10 4061.3980 *
## 7) TiempoDeProcesamiento>=304.5 6302 1.440870e+12 16015.4500 *
Modelo de Regresión
Nueva base de datos
# Se crea una nueva base de datos con las variables selecionadas para la modelación
bd3 <- subset(bd2, select = c("TiempoDeProcesamiento", "TotalIncurredCost", "TotalPaid", "TotalReserves", "TotalRecovery", "IndemnityPaid", "AverageWeeklyWage", "OtherPaid", "ClaimantAge_at_DOI", "ClaimStatus", "Gender", "ClaimantType", "InjuryNature", "BodyPartRegion", "BodyPart", "IsDenied", "ClaimID", "GroupInjury", "GroupBodyPart", "GroupBodyPR", "ClaimantOpenedDate", "ClaimantClosedDate" ))## TiempoDeProcesamiento TotalIncurredCost TotalPaid TotalReserves
## Min. : 2 Min. : 0.07 Min. : 3.0 Min. :0
## 1st Qu.: 121 1st Qu.: 247.58 1st Qu.: 257.4 1st Qu.:0
## Median : 322 Median : 1071.55 Median : 1132.7 Median :0
## Mean : 781 Mean : 6729.66 Mean : 6868.2 Mean :0
## 3rd Qu.:1078 3rd Qu.: 6709.07 3rd Qu.: 6910.0 3rd Qu.:0
## Max. :6328 Max. :59987.17 Max. :127037.7 Max. :0
##
## TotalRecovery IndemnityPaid AverageWeeklyWage OtherPaid
## Min. : 0.0 Min. : -475 Min. : 500.0 Min. :-7820.5
## 1st Qu.: 0.0 1st Qu.: 0 1st Qu.: 568.2 1st Qu.: 244.1
## Median : 0.0 Median : 0 Median : 666.0 Median : 921.0
## Mean : 138.5 Mean : 2837 Mean : 1001.1 Mean : 4031.2
## 3rd Qu.: 0.0 3rd Qu.: 1966 3rd Qu.: 843.0 3rd Qu.: 4085.4
## Max. :75000.0 Max. :126128 Max. :2024000.0 Max. :82815.2
##
## ClaimantAge_at_DOI ClaimStatus Gender ClaimantType
## Min. :-7550.00 Length:17295 Length:17295 Length:17295
## 1st Qu.: 37.00 Class :character Class :character Class :character
## Median : 46.00 Mode :character Mode :character Mode :character
## Mean : 42.72
## 3rd Qu.: 53.00
## Max. : 87.00
## NA's :2982
## InjuryNature BodyPartRegion BodyPart IsDenied
## Length:17295 Length:17295 Length:17295 Min. :0.0000
## Class :character Class :character Class :character 1st Qu.:0.0000
## Mode :character Mode :character Mode :character Median :0.0000
## Mean :0.0632
## 3rd Qu.:0.0000
## Max. :1.0000
##
## ClaimID GroupInjury GroupBodyPart GroupBodyPR
## Min. : 650915 Length:17295 Length:17295 Length:17295
## 1st Qu.: 817932 Class :character Class :character Class :character
## Median : 835440 Mode :character Mode :character Mode :character
## Mean : 8231238
## 3rd Qu.:10512786
## Max. :61546646
##
## ClaimantOpenedDate ClaimantClosedDate
## Min. :1994-08-07 Min. :2005-03-31
## 1st Qu.:2004-05-30 1st Qu.:2006-04-30
## Median :2008-04-17 Median :2009-03-09
## Mean :2007-02-10 Mean :2009-04-01
## 3rd Qu.:2010-11-02 3rd Qu.:2011-09-21
## Max. :2014-06-06 Max. :2014-06-30
## ## TiempoDeProcesamiento TotalIncurredCost TotalPaid
## 0 0 0
## TotalReserves TotalRecovery IndemnityPaid
## 0 0 0
## AverageWeeklyWage OtherPaid ClaimantAge_at_DOI
## 0 0 2982
## ClaimStatus Gender ClaimantType
## 0 0 0
## InjuryNature BodyPartRegion BodyPart
## 0 0 0
## IsDenied ClaimID GroupInjury
## 0 0 0
## GroupBodyPart GroupBodyPR ClaimantOpenedDate
## 0 0 0
## ClaimantClosedDate
## 0# Se eliminan las filas con valores NA, ya que se considera que no afecta significativamente a la base de datos, pues solo están presentes en una columna, que es la de ClaimantAge_at_DOI
bd3 <- na.omit(bd3)## TiempoDeProcesamiento TotalIncurredCost TotalPaid TotalReserves
## Min. : 2.0 Min. : 3.0 Min. : 3.0 Min. :0
## 1st Qu.: 110.0 1st Qu.: 252.5 1st Qu.: 261.6 1st Qu.:0
## Median : 236.0 Median : 1063.3 Median : 1118.7 Median :0
## Mean : 520.9 Mean : 6598.7 Mean : 6711.6 Mean :0
## 3rd Qu.: 637.0 3rd Qu.: 6230.6 3rd Qu.: 6417.9 3rd Qu.:0
## Max. :6328.0 Max. :59987.2 Max. :98153.0 Max. :0
## TotalRecovery IndemnityPaid AverageWeeklyWage OtherPaid
## Min. : 0.0 Min. : -475 Min. : 500 Min. : 0.0
## 1st Qu.: 0.0 1st Qu.: 0 1st Qu.: 572 1st Qu.: 248.8
## Median : 0.0 Median : 0 Median : 672 Median : 931.5
## Mean : 112.8 Mean : 2637 Mean : 1054 Mean : 4074.9
## 3rd Qu.: 0.0 3rd Qu.: 1500 3rd Qu.: 859 3rd Qu.: 4014.6
## Max. :75000.0 Max. :55000 Max. :2024000 Max. :65747.1
## ClaimantAge_at_DOI ClaimStatus Gender ClaimantType
## Min. :-7550.00 Length:14313 Length:14313 Length:14313
## 1st Qu.: 37.00 Class :character Class :character Class :character
## Median : 46.00 Mode :character Mode :character Mode :character
## Mean : 42.72
## 3rd Qu.: 53.00
## Max. : 87.00
## InjuryNature BodyPartRegion BodyPart IsDenied
## Length:14313 Length:14313 Length:14313 Min. :0.0000
## Class :character Class :character Class :character 1st Qu.:0.0000
## Mode :character Mode :character Mode :character Median :0.0000
## Mean :0.0684
## 3rd Qu.:0.0000
## Max. :1.0000
## ClaimID GroupInjury GroupBodyPart GroupBodyPR
## Min. : 650915 Length:14313 Length:14313 Length:14313
## 1st Qu.: 820314 Class :character Class :character Class :character
## Median : 834800 Mode :character Mode :character Mode :character
## Mean : 9716801
## 3rd Qu.:16200449
## Max. :61546646
## ClaimantOpenedDate ClaimantClosedDate
## Min. :1996-03-30 Min. :2005-03-31
## 1st Qu.:2006-04-28 1st Qu.:2008-01-31
## Median :2009-03-06 Median :2010-01-08
## Mean :2008-07-19 Mean :2009-12-22
## 3rd Qu.:2011-05-10 3rd Qu.:2012-03-08
## Max. :2014-06-06 Max. :2014-06-30# Se aplica un count con el objetivo de conocer las respuestas a cada una de las variables categoricas.
count(bd3, ClaimStatus, sort=TRUE)## ClaimStatus n
## 1 C 14313## Gender n
## 1 Male 7377
## 2 Female 6857
## 3 Not Available 79## ClaimantType n
## 1 Medical Only 7352
## 2 Indemnity 6959
## 3 Report Only 2## InjuryNature n
## 1 Strain 4325
## 2 Contusion 3003
## 3 Sprain 1819
## 4 Laceration 929
## 5 Fracture 866
## 6 Multiple Physical Injuries Only 610
## 7 All Other Specific Injuries, Noc 451
## 8 Puncture 390
## 9 Carpal Tunnel Syndrome 200
## 10 Foreign Body 200
## 11 Dermatitis 190
## 12 Inflammation 186
## 13 Burn 140
## 14 Dislocation 112
## 15 No Physical Injury 101
## 16 Respiratory Disorders 100
## 17 Crushing 97
## 18 Concussion 86
## 19 Hernia 74
## 20 Non-Standard Code 57
## 21 Infection 51
## 22 Rupture 42
## 23 Not Available 40
## 24 Mental Stress 30
## 25 Contagious Disease 24
## 26 Poisoning?Chemical (Other Than Metals) 23
## 27 Heat Prostration 21
## 28 Multiple Injuries Including Both Physical and Psychological 18
## 29 Syncope 17
## 30 Electric Shock 16
## 31 Amputation 15
## 32 Asbestosis 12
## 33 All Other Cumulative Injury, NOC 10
## 34 Hearing Loss Or Impairment 8
## 35 Loss of Hearing 7
## 36 Myocardial Infarction 7
## 37 Poisoning?General (NOT OD or Cumulative Injury) 7
## 38 Vision Loss 6
## 39 All Other Occupational Disease Injury, NOC 5
## 40 Severance 4
## 41 Dust Disease, NOC 3
## 42 Vascular 3
## 43 Mental Disorder 2
## 44 Silicosis 2
## 45 AIDS 1
## 46 Asphyxiation 1
## 47 Freezing 1
## 48 Radiation 1## BodyPartRegion n
## 1 Upper Extremities 4548
## 2 Lower Extremities 3925
## 3 Trunk 2390
## 4 Multiple Body Parts 1593
## 5 Head 1159
## 6 Neck 626
## 7 Non-Standard Code 72## BodyPart n
## 1 Knee 1778
## 2 Multiple Body Parts (Including Body Systems and Body Parts) 1397
## 3 Lower Back Area 1370
## 4 Shoulder(S) 964
## 5 Finger(S) 900
## 6 Hand 831
## 7 Ankle 790
## 8 Wrist 631
## 9 Foot 508
## 10 Soft Tissue-Neck 369
## 11 Eyes 360
## 12 Lower Arm 352
## 13 Lower Leg 344
## 14 Elbow 282
## 15 Multiple Head Injury 281
## 16 Thumb 277
## 17 Multiple Neck Injury 244
## 18 Chest 220
## 19 Abdomen 191
## 20 Hip 184
## 21 Upper Arm 179
## 22 Lumbar and/or Sacral Vertebrae (Vertebra NOC Trunk) 171
## 23 Multiple Upper Extremities 132
## 24 Soft Tissue-Head 120
## 25 Upper Leg 113
## 26 Upper Back Area 110
## 27 Multiple Lower Extremities 102
## 28 No Physical Injury 87
## 29 Facial Bones 83
## 30 Skull 80
## 31 Toes 77
## 32 Non-Standard Code 72
## 33 Disc-Trunk 70
## 34 Lungs 69
## 35 Buttocks 64
## 36 Ear(S) 64
## 37 Insufficient Info to Properly Identify?Unclassified 60
## 38 Teeth 58
## 39 Nose 55
## 40 Mouth 48
## 41 Body Systems and Multiple Body Systems 37
## 42 Internal Organs 33
## 43 Great Toe 29
## 44 Multiple Trunk 28
## 45 Pelvis 23
## 46 Spinal Cord-Trunk 21
## 47 Sacrum And Coccyx 11
## 48 Whole Body 11
## 49 Brain 10
## 50 Heart 9
## 51 Larynx 5
## 52 Vertebrae 5
## 53 Trachea 3
## 54 Artificial Appliance 1## GroupInjury n
## 1 Others 6985
## 2 Strain 4325
## 3 Contusion 3003## GroupBodyPart n
## 1 Others 11138
## 2 Knee 1778
## 3 Multiple Body Parts 1397## GroupBodyPR n
## 1 Others 5840
## 2 Upper Extremities 4548
## 3 Lower Extremities 3925Se observa que la variable ClaimStatus sólo tiene una categoría, y por lo tanto, no se incluirá en el análisis de regresión.
## [1] 527# Se aplica un summary para ver los máximos, mínimos, y cuartiles de cada una de las variables de la base de datos.
summary(bd3$TiempoDeProcesamiento)## Min. 1st Qu. Median Mean 3rd Qu. Max.
## 2.0 110.0 236.0 520.9 637.0 6328.0Sólo se calculará el Límite Superior, porque para tiempo y costos, el valor cero es la ausencia de la característica, y por lo tanto, el Límite Inferior.
## [1] 1427.5Con esto, se eliminarán los valores mayores a 1427.5.
# Eliminación de outliers
# Cálculo del IQR TotalIncurredCost
IQR_TP <- IQR(bd3$TotalIncurredCost)
IQR_TP## [1] 4919.73## Min. 1st Qu. Median Mean 3rd Qu. Max.
## 3.0 243.5 932.4 5996.7 5163.3 59800.2## [1] 12543.1Con esto, se eliminarán los valores mayores a 12543.1
TiempoDeProcesamiento
Creación del modelo
# Se crea el modelo de regresión
regresiontp <- lm(TiempoDeProcesamiento ~ TotalIncurredCost + AverageWeeklyWage + ClaimantAge_at_DOI + Gender + ClaimantType + InjuryNature + BodyPartRegion + BodyPart + IsDenied + GroupInjury + GroupBodyPart + GroupBodyPR, data = bd3)
summary(regresiontp)##
## Call:
## lm(formula = TiempoDeProcesamiento ~ TotalIncurredCost + AverageWeeklyWage +
## ClaimantAge_at_DOI + Gender + ClaimantType + InjuryNature +
## BodyPartRegion + BodyPart + IsDenied + GroupInjury + GroupBodyPart +
## GroupBodyPR, data = bd3)
##
## Residuals:
## Min 1Q Median 3Q Max
## -583.22 -143.51 -71.93 49.01 1266.06
##
## Coefficients: (12 not defined because of singularities)
## Estimate
## (Intercept) 5.878e+01
## TotalIncurredCost 3.118e-02
## AverageWeeklyWage -9.589e-05
## ClaimantAge_at_DOI -4.637e-02
## GenderMale 2.108e+01
## GenderNot Available 2.371e+01
## ClaimantTypeMedical Only -9.718e+01
## ClaimantTypeReport Only -1.176e+02
## InjuryNatureAll Other Cumulative Injury, NOC 1.610e+02
## InjuryNatureAll Other Occupational Disease Injury, NOC 2.968e+02
## InjuryNatureAll Other Specific Injuries, Noc 2.562e+02
## InjuryNatureAmputation -4.077e+01
## InjuryNatureAsbestosis 1.386e+02
## InjuryNatureAsphyxiation 1.153e+02
## InjuryNatureBurn 2.139e+02
## InjuryNatureCarpal Tunnel Syndrome 2.945e+02
## InjuryNatureConcussion 1.580e+02
## InjuryNatureContagious Disease 1.703e+02
## InjuryNatureContusion 2.457e+02
## InjuryNatureCrushing 1.452e+02
## InjuryNatureDermatitis 1.665e+02
## InjuryNatureDislocation 2.616e+02
## InjuryNatureDust Disease, NOC 3.684e+02
## InjuryNatureElectric Shock 1.976e+02
## InjuryNatureForeign Body 2.200e+02
## InjuryNatureFracture 2.117e+02
## InjuryNatureFreezing 1.096e+02
## InjuryNatureHearing Loss Or Impairment 1.245e+02
## InjuryNatureHeat Prostration 7.344e+01
## InjuryNatureHernia 1.186e+02
## InjuryNatureInfection 2.137e+02
## InjuryNatureInflammation 1.833e+02
## InjuryNatureLaceration 2.218e+02
## InjuryNatureLoss of Hearing 6.492e+01
## InjuryNatureMental Disorder 2.090e+02
## InjuryNatureMental Stress 3.217e+02
## InjuryNatureMultiple Injuries Including Both Physical and Psychological 4.995e+01
## InjuryNatureMultiple Physical Injuries Only 2.072e+02
## InjuryNatureMyocardial Infarction -9.611e+01
## InjuryNatureNo Physical Injury 1.797e+02
## InjuryNatureNon-Standard Code 2.381e+02
## InjuryNatureNot Available 1.368e+02
## InjuryNaturePoisoning?Chemical (Other Than Metals) 1.825e+02
## InjuryNaturePoisoning?General (NOT OD or Cumulative Injury) 2.116e+02
## InjuryNaturePuncture 2.273e+02
## InjuryNatureRadiation 3.622e+01
## InjuryNatureRespiratory Disorders 2.008e+02
## InjuryNatureRupture 8.715e+01
## InjuryNatureSeverance 9.754e+01
## InjuryNatureSilicosis 2.763e+02
## InjuryNatureSprain 1.910e+02
## InjuryNatureStrain 2.306e+02
## InjuryNatureSyncope 8.046e+01
## InjuryNatureVascular 5.348e+02
## InjuryNatureVision Loss 3.299e+02
## BodyPartRegionLower Extremities -3.788e+01
## BodyPartRegionMultiple Body Parts -1.395e+02
## BodyPartRegionNeck 2.542e+02
## BodyPartRegionNon-Standard Code -6.589e+01
## BodyPartRegionTrunk -4.425e+01
## BodyPartRegionUpper Extremities -4.016e-01
## BodyPartAnkle 4.310e+01
## BodyPartArtificial Appliance -8.454e+01
## BodyPartBody Systems and Multiple Body Systems 1.856e+02
## BodyPartBrain -1.585e+02
## BodyPartButtocks -6.297e+00
## BodyPartChest 2.943e+01
## BodyPartDisc-Trunk 7.679e+01
## BodyPartEar(S) 3.804e+01
## BodyPartElbow -3.004e+01
## BodyPartEyes -4.950e+00
## BodyPartFacial Bones -4.801e+01
## BodyPartFinger(S) -1.190e+01
## BodyPartFoot 7.525e+00
## BodyPartGreat Toe 1.335e+01
## BodyPartHand -1.531e+01
## BodyPartHeart 2.871e+02
## BodyPartHip -5.598e+00
## BodyPartInsufficient Info to Properly Identify?Unclassified 1.629e+02
## BodyPartInternal Organs 7.747e+01
## BodyPartKnee 2.103e+01
## BodyPartLarynx 9.240e+00
## BodyPartLower Arm -1.933e+01
## BodyPartLower Back Area 4.013e+01
## BodyPartLower Leg 1.984e+01
## BodyPartLumbar and/or Sacral Vertebrae (Vertebra NOC Trunk) 6.139e+01
## BodyPartLungs 1.202e+02
## BodyPartMouth 8.309e+01
## BodyPartMultiple Body Parts (Including Body Systems and Body Parts) 2.033e+02
## BodyPartMultiple Head Injury 2.033e+01
## BodyPartMultiple Lower Extremities 3.523e+01
## BodyPartMultiple Neck Injury -1.921e+02
## BodyPartMultiple Trunk -8.605e+00
## BodyPartMultiple Upper Extremities 5.478e+01
## BodyPartNo Physical Injury 2.204e+02
## BodyPartNon-Standard Code NA
## BodyPartNose -4.552e+01
## BodyPartPelvis 1.303e+02
## BodyPartSacrum And Coccyx -3.288e+00
## BodyPartShoulder(S) -1.719e+01
## BodyPartSkull -8.788e+01
## BodyPartSoft Tissue-Head -1.086e+02
## BodyPartSoft Tissue-Neck -3.113e+02
## BodyPartSpinal Cord-Trunk 3.762e+02
## BodyPartTeeth NA
## BodyPartThumb -2.365e+01
## BodyPartToes -1.127e+01
## BodyPartTrachea -1.686e+02
## BodyPartUpper Arm 3.219e+01
## BodyPartUpper Back Area 5.334e+01
## BodyPartUpper Leg NA
## BodyPartVertebrae NA
## BodyPartWhole Body NA
## BodyPartWrist NA
## IsDenied -5.606e-01
## GroupInjuryOthers NA
## GroupInjuryStrain NA
## GroupBodyPartMultiple Body Parts NA
## GroupBodyPartOthers NA
## GroupBodyPROthers NA
## GroupBodyPRUpper Extremities NA
## Std. Error
## (Intercept) 2.672e+02
## TotalIncurredCost 1.174e-03
## AverageWeeklyWage 1.074e-04
## ClaimantAge_at_DOI 2.093e-02
## GenderMale 5.214e+00
## GenderNot Available 3.026e+01
## ClaimantTypeMedical Only 6.471e+00
## ClaimantTypeReport Only 1.862e+02
## InjuryNatureAll Other Cumulative Injury, NOC 2.790e+02
## InjuryNatureAll Other Occupational Disease Injury, NOC 2.959e+02
## InjuryNatureAll Other Specific Injuries, Noc 2.652e+02
## InjuryNatureAmputation 3.051e+02
## InjuryNatureAsbestosis 2.763e+02
## InjuryNatureAsphyxiation 3.707e+02
## InjuryNatureBurn 2.657e+02
## InjuryNatureCarpal Tunnel Syndrome 2.657e+02
## InjuryNatureConcussion 2.667e+02
## InjuryNatureContagious Disease 2.708e+02
## InjuryNatureContusion 2.648e+02
## InjuryNatureCrushing 2.662e+02
## InjuryNatureDermatitis 2.654e+02
## InjuryNatureDislocation 2.671e+02
## InjuryNatureDust Disease, NOC 3.056e+02
## InjuryNatureElectric Shock 2.750e+02
## InjuryNatureForeign Body 2.659e+02
## InjuryNatureFracture 2.650e+02
## InjuryNatureFreezing 3.728e+02
## InjuryNatureHearing Loss Or Impairment 2.883e+02
## InjuryNatureHeat Prostration 2.703e+02
## InjuryNatureHernia 2.676e+02
## InjuryNatureInfection 2.673e+02
## InjuryNatureInflammation 2.656e+02
## InjuryNatureLaceration 2.650e+02
## InjuryNatureLoss of Hearing 2.981e+02
## InjuryNatureMental Disorder 3.839e+02
## InjuryNatureMental Stress 2.678e+02
## InjuryNatureMultiple Injuries Including Both Physical and Psychological 2.763e+02
## InjuryNatureMultiple Physical Injuries Only 2.650e+02
## InjuryNatureMyocardial Infarction 3.052e+02
## InjuryNatureNo Physical Injury 2.646e+02
## InjuryNatureNon-Standard Code 2.672e+02
## InjuryNatureNot Available 2.683e+02
## InjuryNaturePoisoning?Chemical (Other Than Metals) 2.706e+02
## InjuryNaturePoisoning?General (NOT OD or Cumulative Injury) 2.815e+02
## InjuryNaturePuncture 2.652e+02
## InjuryNatureRadiation 3.737e+02
## InjuryNatureRespiratory Disorders 2.669e+02
## InjuryNatureRupture 2.721e+02
## InjuryNatureSeverance 3.727e+02
## InjuryNatureSilicosis 3.236e+02
## InjuryNatureSprain 2.649e+02
## InjuryNatureStrain 2.648e+02
## InjuryNatureSyncope 2.723e+02
## InjuryNatureVascular 3.052e+02
## InjuryNatureVision Loss 2.861e+02
## BodyPartRegionLower Extremities 4.530e+01
## BodyPartRegionMultiple Body Parts 9.992e+01
## BodyPartRegionNeck 1.227e+02
## BodyPartRegionNon-Standard Code 4.931e+01
## BodyPartRegionTrunk 4.287e+01
## BodyPartRegionUpper Extremities 3.835e+01
## BodyPartAnkle 2.936e+01
## BodyPartArtificial Appliance 2.783e+02
## BodyPartBody Systems and Multiple Body Systems 1.044e+02
## BodyPartBrain 1.020e+02
## BodyPartButtocks 4.126e+01
## BodyPartChest 2.972e+01
## BodyPartDisc-Trunk 4.357e+01
## BodyPartEar(S) 5.394e+01
## BodyPartElbow 2.182e+01
## BodyPartEyes 4.070e+01
## BodyPartFacial Bones 4.829e+01
## BodyPartFinger(S) 1.624e+01
## BodyPartFoot 2.994e+01
## BodyPartGreat Toe 5.665e+01
## BodyPartHand 1.593e+01
## BodyPartHeart 1.359e+02
## BodyPartHip 3.496e+01
## BodyPartInsufficient Info to Properly Identify?Unclassified 1.015e+02
## BodyPartInternal Organs 6.119e+01
## BodyPartKnee 2.826e+01
## BodyPartLarynx 1.762e+02
## BodyPartLower Arm 1.974e+01
## BodyPartLower Back Area 2.426e+01
## BodyPartLower Leg 3.112e+01
## BodyPartLumbar and/or Sacral Vertebrae (Vertebra NOC Trunk) 3.269e+01
## BodyPartLungs 4.865e+01
## BodyPartMouth 5.439e+01
## BodyPartMultiple Body Parts (Including Body Systems and Body Parts) 9.358e+01
## BodyPartMultiple Head Injury 4.033e+01
## BodyPartMultiple Lower Extremities 4.012e+01
## BodyPartMultiple Neck Injury 1.188e+02
## BodyPartMultiple Trunk 5.993e+01
## BodyPartMultiple Upper Extremities 3.078e+01
## BodyPartNo Physical Injury 9.981e+01
## BodyPartNon-Standard Code NA
## BodyPartNose 5.234e+01
## BodyPartPelvis 6.704e+01
## BodyPartSacrum And Coccyx 9.047e+01
## BodyPartShoulder(S) 1.689e+01
## BodyPartSkull 4.810e+01
## BodyPartSoft Tissue-Head 4.380e+01
## BodyPartSoft Tissue-Neck 1.181e+02
## BodyPartSpinal Cord-Trunk 6.951e+01
## BodyPartTeeth NA
## BodyPartThumb 2.159e+01
## BodyPartToes 4.150e+01
## BodyPartTrachea 2.201e+02
## BodyPartUpper Arm 2.751e+01
## BodyPartUpper Back Area 3.584e+01
## BodyPartUpper Leg NA
## BodyPartVertebrae NA
## BodyPartWhole Body NA
## BodyPartWrist NA
## IsDenied 9.784e+00
## GroupInjuryOthers NA
## GroupInjuryStrain NA
## GroupBodyPartMultiple Body Parts NA
## GroupBodyPartOthers NA
## GroupBodyPROthers NA
## GroupBodyPRUpper Extremities NA
## t value
## (Intercept) 0.220
## TotalIncurredCost 26.573
## AverageWeeklyWage -0.893
## ClaimantAge_at_DOI -2.215
## GenderMale 4.043
## GenderNot Available 0.783
## ClaimantTypeMedical Only -15.017
## ClaimantTypeReport Only -0.632
## InjuryNatureAll Other Cumulative Injury, NOC 0.577
## InjuryNatureAll Other Occupational Disease Injury, NOC 1.003
## InjuryNatureAll Other Specific Injuries, Noc 0.966
## InjuryNatureAmputation -0.134
## InjuryNatureAsbestosis 0.502
## InjuryNatureAsphyxiation 0.311
## InjuryNatureBurn 0.805
## InjuryNatureCarpal Tunnel Syndrome 1.108
## InjuryNatureConcussion 0.593
## InjuryNatureContagious Disease 0.629
## InjuryNatureContusion 0.928
## InjuryNatureCrushing 0.545
## InjuryNatureDermatitis 0.628
## InjuryNatureDislocation 0.980
## InjuryNatureDust Disease, NOC 1.205
## InjuryNatureElectric Shock 0.719
## InjuryNatureForeign Body 0.827
## InjuryNatureFracture 0.799
## InjuryNatureFreezing 0.294
## InjuryNatureHearing Loss Or Impairment 0.432
## InjuryNatureHeat Prostration 0.272
## InjuryNatureHernia 0.443
## InjuryNatureInfection 0.799
## InjuryNatureInflammation 0.690
## InjuryNatureLaceration 0.837
## InjuryNatureLoss of Hearing 0.218
## InjuryNatureMental Disorder 0.544
## InjuryNatureMental Stress 1.201
## InjuryNatureMultiple Injuries Including Both Physical and Psychological 0.181
## InjuryNatureMultiple Physical Injuries Only 0.782
## InjuryNatureMyocardial Infarction -0.315
## InjuryNatureNo Physical Injury 0.679
## InjuryNatureNon-Standard Code 0.891
## InjuryNatureNot Available 0.510
## InjuryNaturePoisoning?Chemical (Other Than Metals) 0.675
## InjuryNaturePoisoning?General (NOT OD or Cumulative Injury) 0.752
## InjuryNaturePuncture 0.857
## InjuryNatureRadiation 0.097
## InjuryNatureRespiratory Disorders 0.752
## InjuryNatureRupture 0.320
## InjuryNatureSeverance 0.262
## InjuryNatureSilicosis 0.854
## InjuryNatureSprain 0.721
## InjuryNatureStrain 0.871
## InjuryNatureSyncope 0.295
## InjuryNatureVascular 1.752
## InjuryNatureVision Loss 1.153
## BodyPartRegionLower Extremities -0.836
## BodyPartRegionMultiple Body Parts -1.396
## BodyPartRegionNeck 2.071
## BodyPartRegionNon-Standard Code -1.336
## BodyPartRegionTrunk -1.032
## BodyPartRegionUpper Extremities -0.010
## BodyPartAnkle 1.468
## BodyPartArtificial Appliance -0.304
## BodyPartBody Systems and Multiple Body Systems 1.777
## BodyPartBrain -1.554
## BodyPartButtocks -0.153
## BodyPartChest 0.990
## BodyPartDisc-Trunk 1.763
## BodyPartEar(S) 0.705
## BodyPartElbow -1.377
## BodyPartEyes -0.122
## BodyPartFacial Bones -0.994
## BodyPartFinger(S) -0.733
## BodyPartFoot 0.251
## BodyPartGreat Toe 0.236
## BodyPartHand -0.961
## BodyPartHeart 2.112
## BodyPartHip -0.160
## BodyPartInsufficient Info to Properly Identify?Unclassified 1.605
## BodyPartInternal Organs 1.266
## BodyPartKnee 0.744
## BodyPartLarynx 0.052
## BodyPartLower Arm -0.979
## BodyPartLower Back Area 1.654
## BodyPartLower Leg 0.638
## BodyPartLumbar and/or Sacral Vertebrae (Vertebra NOC Trunk) 1.878
## BodyPartLungs 2.471
## BodyPartMouth 1.528
## BodyPartMultiple Body Parts (Including Body Systems and Body Parts) 2.172
## BodyPartMultiple Head Injury 0.504
## BodyPartMultiple Lower Extremities 0.878
## BodyPartMultiple Neck Injury -1.617
## BodyPartMultiple Trunk -0.144
## BodyPartMultiple Upper Extremities 1.780
## BodyPartNo Physical Injury 2.208
## BodyPartNon-Standard Code NA
## BodyPartNose -0.870
## BodyPartPelvis 1.944
## BodyPartSacrum And Coccyx -0.036
## BodyPartShoulder(S) -1.017
## BodyPartSkull -1.827
## BodyPartSoft Tissue-Head -2.479
## BodyPartSoft Tissue-Neck -2.635
## BodyPartSpinal Cord-Trunk 5.412
## BodyPartTeeth NA
## BodyPartThumb -1.096
## BodyPartToes -0.271
## BodyPartTrachea -0.766
## BodyPartUpper Arm 1.170
## BodyPartUpper Back Area 1.488
## BodyPartUpper Leg NA
## BodyPartVertebrae NA
## BodyPartWhole Body NA
## BodyPartWrist NA
## IsDenied -0.057
## GroupInjuryOthers NA
## GroupInjuryStrain NA
## GroupBodyPartMultiple Body Parts NA
## GroupBodyPartOthers NA
## GroupBodyPROthers NA
## GroupBodyPRUpper Extremities NA
## Pr(>|t|)
## (Intercept) 0.82591
## TotalIncurredCost < 2e-16
## AverageWeeklyWage 0.37184
## ClaimantAge_at_DOI 0.02676
## GenderMale 5.31e-05
## GenderNot Available 0.43336
## ClaimantTypeMedical Only < 2e-16
## ClaimantTypeReport Only 0.52769
## InjuryNatureAll Other Cumulative Injury, NOC 0.56377
## InjuryNatureAll Other Occupational Disease Injury, NOC 0.31588
## InjuryNatureAll Other Specific Injuries, Noc 0.33396
## InjuryNatureAmputation 0.89371
## InjuryNatureAsbestosis 0.61584
## InjuryNatureAsphyxiation 0.75583
## InjuryNatureBurn 0.42080
## InjuryNatureCarpal Tunnel Syndrome 0.26776
## InjuryNatureConcussion 0.55352
## InjuryNatureContagious Disease 0.52960
## InjuryNatureContusion 0.35354
## InjuryNatureCrushing 0.58545
## InjuryNatureDermatitis 0.53033
## InjuryNatureDislocation 0.32730
## InjuryNatureDust Disease, NOC 0.22805
## InjuryNatureElectric Shock 0.47237
## InjuryNatureForeign Body 0.40800
## InjuryNatureFracture 0.42442
## InjuryNatureFreezing 0.76866
## InjuryNatureHearing Loss Or Impairment 0.66584
## InjuryNatureHeat Prostration 0.78585
## InjuryNatureHernia 0.65767
## InjuryNatureInfection 0.42407
## InjuryNatureInflammation 0.48999
## InjuryNatureLaceration 0.40243
## InjuryNatureLoss of Hearing 0.82761
## InjuryNatureMental Disorder 0.58614
## InjuryNatureMental Stress 0.22972
## InjuryNatureMultiple Injuries Including Both Physical and Psychological 0.85657
## InjuryNatureMultiple Physical Injuries Only 0.43445
## InjuryNatureMyocardial Infarction 0.75280
## InjuryNatureNo Physical Injury 0.49692
## InjuryNatureNon-Standard Code 0.37301
## InjuryNatureNot Available 0.61011
## InjuryNaturePoisoning?Chemical (Other Than Metals) 0.49993
## InjuryNaturePoisoning?General (NOT OD or Cumulative Injury) 0.45228
## InjuryNaturePuncture 0.39132
## InjuryNatureRadiation 0.92279
## InjuryNatureRespiratory Disorders 0.45197
## InjuryNatureRupture 0.74879
## InjuryNatureSeverance 0.79354
## InjuryNatureSilicosis 0.39325
## InjuryNatureSprain 0.47091
## InjuryNatureStrain 0.38383
## InjuryNatureSyncope 0.76766
## InjuryNatureVascular 0.07977
## InjuryNatureVision Loss 0.24889
## BodyPartRegionLower Extremities 0.40308
## BodyPartRegionMultiple Body Parts 0.16280
## BodyPartRegionNeck 0.03835
## BodyPartRegionNon-Standard Code 0.18152
## BodyPartRegionTrunk 0.30205
## BodyPartRegionUpper Extremities 0.99164
## BodyPartAnkle 0.14217
## BodyPartArtificial Appliance 0.76132
## BodyPartBody Systems and Multiple Body Systems 0.07553
## BodyPartBrain 0.12024
## BodyPartButtocks 0.87871
## BodyPartChest 0.32200
## BodyPartDisc-Trunk 0.07799
## BodyPartEar(S) 0.48062
## BodyPartElbow 0.16866
## BodyPartEyes 0.90319
## BodyPartFacial Bones 0.32016
## BodyPartFinger(S) 0.46383
## BodyPartFoot 0.80152
## BodyPartGreat Toe 0.81375
## BodyPartHand 0.33640
## BodyPartHeart 0.03468
## BodyPartHip 0.87279
## BodyPartInsufficient Info to Properly Identify?Unclassified 0.10859
## BodyPartInternal Organs 0.20556
## BodyPartKnee 0.45681
## BodyPartLarynx 0.95818
## BodyPartLower Arm 0.32758
## BodyPartLower Back Area 0.09815
## BodyPartLower Leg 0.52375
## BodyPartLumbar and/or Sacral Vertebrae (Vertebra NOC Trunk) 0.06041
## BodyPartLungs 0.01349
## BodyPartMouth 0.12659
## BodyPartMultiple Body Parts (Including Body Systems and Body Parts) 0.02984
## BodyPartMultiple Head Injury 0.61425
## BodyPartMultiple Lower Extremities 0.37990
## BodyPartMultiple Neck Injury 0.10583
## BodyPartMultiple Trunk 0.88583
## BodyPartMultiple Upper Extremities 0.07514
## BodyPartNo Physical Injury 0.02725
## BodyPartNon-Standard Code NA
## BodyPartNose 0.38443
## BodyPartPelvis 0.05196
## BodyPartSacrum And Coccyx 0.97101
## BodyPartShoulder(S) 0.30899
## BodyPartSkull 0.06771
## BodyPartSoft Tissue-Head 0.01319
## BodyPartSoft Tissue-Neck 0.00842
## BodyPartSpinal Cord-Trunk 6.38e-08
## BodyPartTeeth NA
## BodyPartThumb 0.27321
## BodyPartToes 0.78604
## BodyPartTrachea 0.44368
## BodyPartUpper Arm 0.24202
## BodyPartUpper Back Area 0.13676
## BodyPartUpper Leg NA
## BodyPartVertebrae NA
## BodyPartWhole Body NA
## BodyPartWrist NA
## IsDenied 0.95431
## GroupInjuryOthers NA
## GroupInjuryStrain NA
## GroupBodyPartMultiple Body Parts NA
## GroupBodyPartOthers NA
## GroupBodyPROthers NA
## GroupBodyPRUpper Extremities NA
##
## (Intercept)
## TotalIncurredCost ***
## AverageWeeklyWage
## ClaimantAge_at_DOI *
## GenderMale ***
## GenderNot Available
## ClaimantTypeMedical Only ***
## ClaimantTypeReport Only
## InjuryNatureAll Other Cumulative Injury, NOC
## InjuryNatureAll Other Occupational Disease Injury, NOC
## InjuryNatureAll Other Specific Injuries, Noc
## InjuryNatureAmputation
## InjuryNatureAsbestosis
## InjuryNatureAsphyxiation
## InjuryNatureBurn
## InjuryNatureCarpal Tunnel Syndrome
## InjuryNatureConcussion
## InjuryNatureContagious Disease
## InjuryNatureContusion
## InjuryNatureCrushing
## InjuryNatureDermatitis
## InjuryNatureDislocation
## InjuryNatureDust Disease, NOC
## InjuryNatureElectric Shock
## InjuryNatureForeign Body
## InjuryNatureFracture
## InjuryNatureFreezing
## InjuryNatureHearing Loss Or Impairment
## InjuryNatureHeat Prostration
## InjuryNatureHernia
## InjuryNatureInfection
## InjuryNatureInflammation
## InjuryNatureLaceration
## InjuryNatureLoss of Hearing
## InjuryNatureMental Disorder
## InjuryNatureMental Stress
## InjuryNatureMultiple Injuries Including Both Physical and Psychological
## InjuryNatureMultiple Physical Injuries Only
## InjuryNatureMyocardial Infarction
## InjuryNatureNo Physical Injury
## InjuryNatureNon-Standard Code
## InjuryNatureNot Available
## InjuryNaturePoisoning?Chemical (Other Than Metals)
## InjuryNaturePoisoning?General (NOT OD or Cumulative Injury)
## InjuryNaturePuncture
## InjuryNatureRadiation
## InjuryNatureRespiratory Disorders
## InjuryNatureRupture
## InjuryNatureSeverance
## InjuryNatureSilicosis
## InjuryNatureSprain
## InjuryNatureStrain
## InjuryNatureSyncope
## InjuryNatureVascular .
## InjuryNatureVision Loss
## BodyPartRegionLower Extremities
## BodyPartRegionMultiple Body Parts
## BodyPartRegionNeck *
## BodyPartRegionNon-Standard Code
## BodyPartRegionTrunk
## BodyPartRegionUpper Extremities
## BodyPartAnkle
## BodyPartArtificial Appliance
## BodyPartBody Systems and Multiple Body Systems .
## BodyPartBrain
## BodyPartButtocks
## BodyPartChest
## BodyPartDisc-Trunk .
## BodyPartEar(S)
## BodyPartElbow
## BodyPartEyes
## BodyPartFacial Bones
## BodyPartFinger(S)
## BodyPartFoot
## BodyPartGreat Toe
## BodyPartHand
## BodyPartHeart *
## BodyPartHip
## BodyPartInsufficient Info to Properly Identify?Unclassified
## BodyPartInternal Organs
## BodyPartKnee
## BodyPartLarynx
## BodyPartLower Arm
## BodyPartLower Back Area .
## BodyPartLower Leg
## BodyPartLumbar and/or Sacral Vertebrae (Vertebra NOC Trunk) .
## BodyPartLungs *
## BodyPartMouth
## BodyPartMultiple Body Parts (Including Body Systems and Body Parts) *
## BodyPartMultiple Head Injury
## BodyPartMultiple Lower Extremities
## BodyPartMultiple Neck Injury
## BodyPartMultiple Trunk
## BodyPartMultiple Upper Extremities .
## BodyPartNo Physical Injury *
## BodyPartNon-Standard Code
## BodyPartNose
## BodyPartPelvis .
## BodyPartSacrum And Coccyx
## BodyPartShoulder(S)
## BodyPartSkull .
## BodyPartSoft Tissue-Head *
## BodyPartSoft Tissue-Neck **
## BodyPartSpinal Cord-Trunk ***
## BodyPartTeeth
## BodyPartThumb
## BodyPartToes
## BodyPartTrachea
## BodyPartUpper Arm
## BodyPartUpper Back Area
## BodyPartUpper Leg
## BodyPartVertebrae
## BodyPartWhole Body
## BodyPartWrist
## IsDenied
## GroupInjuryOthers
## GroupInjuryStrain
## GroupBodyPartMultiple Body Parts
## GroupBodyPartOthers
## GroupBodyPROthers
## GroupBodyPRUpper Extremities
## ---
## Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
##
## Residual standard error: 262.1 on 10912 degrees of freedom
## Multiple R-squared: 0.1886, Adjusted R-squared: 0.1806
## F-statistic: 23.49 on 108 and 10912 DF, p-value: < 2.2e-16Ajuste del modelo
# Se ajusta el modelo de regresion
regresiontp <- lm(TiempoDeProcesamiento ~ TotalIncurredCost + Gender + ClaimantType + InjuryNature + BodyPartRegion + BodyPart + ClaimantAge_at_DOI, data = bd3)
summary(regresiontp)##
## Call:
## lm(formula = TiempoDeProcesamiento ~ TotalIncurredCost + Gender +
## ClaimantType + InjuryNature + BodyPartRegion + BodyPart +
## ClaimantAge_at_DOI, data = bd3)
##
## Residuals:
## Min 1Q Median 3Q Max
## -583.22 -143.40 -71.92 49.07 1266.24
##
## Coefficients: (6 not defined because of singularities)
## Estimate
## (Intercept) 5.531e+01
## TotalIncurredCost 3.119e-02
## GenderMale 2.103e+01
## GenderNot Available 2.369e+01
## ClaimantTypeMedical Only -9.721e+01
## ClaimantTypeReport Only -1.175e+02
## InjuryNatureAll Other Cumulative Injury, NOC 1.609e+02
## InjuryNatureAll Other Occupational Disease Injury, NOC 2.968e+02
## InjuryNatureAll Other Specific Injuries, Noc 2.556e+02
## InjuryNatureAmputation -4.077e+01
## InjuryNatureAsbestosis 1.387e+02
## InjuryNatureAsphyxiation 1.153e+02
## InjuryNatureBurn 2.140e+02
## InjuryNatureCarpal Tunnel Syndrome 2.944e+02
## InjuryNatureConcussion 1.580e+02
## InjuryNatureContagious Disease 1.702e+02
## InjuryNatureContusion 2.457e+02
## InjuryNatureCrushing 1.453e+02
## InjuryNatureDermatitis 1.665e+02
## InjuryNatureDislocation 2.616e+02
## InjuryNatureDust Disease, NOC 3.684e+02
## InjuryNatureElectric Shock 1.977e+02
## InjuryNatureForeign Body 2.200e+02
## InjuryNatureFracture 2.118e+02
## InjuryNatureFreezing 1.098e+02
## InjuryNatureHearing Loss Or Impairment 1.244e+02
## InjuryNatureHeat Prostration 7.338e+01
## InjuryNatureHernia 1.185e+02
## InjuryNatureInfection 2.137e+02
## InjuryNatureInflammation 1.833e+02
## InjuryNatureLaceration 2.219e+02
## InjuryNatureLoss of Hearing 6.472e+01
## InjuryNatureMental Disorder 2.091e+02
## InjuryNatureMental Stress 3.214e+02
## InjuryNatureMultiple Injuries Including Both Physical and Psychological 5.021e+01
## InjuryNatureMultiple Physical Injuries Only 2.069e+02
## InjuryNatureMyocardial Infarction -9.655e+01
## InjuryNatureNo Physical Injury 1.796e+02
## InjuryNatureNon-Standard Code 2.381e+02
## InjuryNatureNot Available 1.368e+02
## InjuryNaturePoisoning?Chemical (Other Than Metals) 1.825e+02
## InjuryNaturePoisoning?General (NOT OD or Cumulative Injury) 2.116e+02
## InjuryNaturePuncture 2.273e+02
## InjuryNatureRadiation 3.614e+01
## InjuryNatureRespiratory Disorders 2.006e+02
## InjuryNatureRupture 8.700e+01
## InjuryNatureSeverance 9.756e+01
## InjuryNatureSilicosis 2.763e+02
## InjuryNatureSprain 1.910e+02
## InjuryNatureStrain 2.306e+02
## InjuryNatureSyncope 8.028e+01
## InjuryNatureVascular 5.347e+02
## InjuryNatureVision Loss 3.300e+02
## BodyPartRegionLower Extremities -3.448e+01
## BodyPartRegionMultiple Body Parts -1.360e+02
## BodyPartRegionNeck 2.575e+02
## BodyPartRegionNon-Standard Code -6.245e+01
## BodyPartRegionTrunk -4.081e+01
## BodyPartRegionUpper Extremities 2.988e+00
## BodyPartAnkle 4.310e+01
## BodyPartArtificial Appliance -8.456e+01
## BodyPartBody Systems and Multiple Body Systems 1.856e+02
## BodyPartBrain -1.551e+02
## BodyPartButtocks -6.382e+00
## BodyPartChest 2.939e+01
## BodyPartDisc-Trunk 7.679e+01
## BodyPartEar(S) 4.154e+01
## BodyPartElbow -3.005e+01
## BodyPartEyes -1.517e+00
## BodyPartFacial Bones -4.456e+01
## BodyPartFinger(S) -1.188e+01
## BodyPartFoot 7.458e+00
## BodyPartGreat Toe 1.331e+01
## BodyPartHand -1.530e+01
## BodyPartHeart 2.872e+02
## BodyPartHip -5.592e+00
## BodyPartInsufficient Info to Properly Identify?Unclassified 1.630e+02
## BodyPartInternal Organs 7.742e+01
## BodyPartKnee 2.101e+01
## BodyPartLarynx 9.234e+00
## BodyPartLower Arm -1.929e+01
## BodyPartLower Back Area 4.013e+01
## BodyPartLower Leg 1.986e+01
## BodyPartLumbar and/or Sacral Vertebrae (Vertebra NOC Trunk) 6.140e+01
## BodyPartLungs 1.202e+02
## BodyPartMouth 8.669e+01
## BodyPartMultiple Body Parts (Including Body Systems and Body Parts) 2.031e+02
## BodyPartMultiple Head Injury 2.372e+01
## BodyPartMultiple Lower Extremities 3.527e+01
## BodyPartMultiple Neck Injury -1.920e+02
## BodyPartMultiple Trunk -8.708e+00
## BodyPartMultiple Upper Extremities 5.480e+01
## BodyPartNo Physical Injury 2.204e+02
## BodyPartNon-Standard Code NA
## BodyPartNose -4.214e+01
## BodyPartPelvis 1.303e+02
## BodyPartSacrum And Coccyx -3.361e+00
## BodyPartShoulder(S) -1.720e+01
## BodyPartSkull -8.447e+01
## BodyPartSoft Tissue-Head -1.051e+02
## BodyPartSoft Tissue-Neck -3.112e+02
## BodyPartSpinal Cord-Trunk 3.762e+02
## BodyPartTeeth NA
## BodyPartThumb -2.363e+01
## BodyPartToes -1.130e+01
## BodyPartTrachea -1.684e+02
## BodyPartUpper Arm 3.219e+01
## BodyPartUpper Back Area 5.333e+01
## BodyPartUpper Leg NA
## BodyPartVertebrae NA
## BodyPartWhole Body NA
## BodyPartWrist NA
## ClaimantAge_at_DOI -4.638e-02
## Std. Error
## (Intercept) 2.672e+02
## TotalIncurredCost 1.165e-03
## GenderMale 5.212e+00
## GenderNot Available 3.026e+01
## ClaimantTypeMedical Only 6.432e+00
## ClaimantTypeReport Only 1.862e+02
## InjuryNatureAll Other Cumulative Injury, NOC 2.789e+02
## InjuryNatureAll Other Occupational Disease Injury, NOC 2.959e+02
## InjuryNatureAll Other Specific Injuries, Noc 2.652e+02
## InjuryNatureAmputation 3.051e+02
## InjuryNatureAsbestosis 2.763e+02
## InjuryNatureAsphyxiation 3.706e+02
## InjuryNatureBurn 2.657e+02
## InjuryNatureCarpal Tunnel Syndrome 2.657e+02
## InjuryNatureConcussion 2.667e+02
## InjuryNatureContagious Disease 2.708e+02
## InjuryNatureContusion 2.648e+02
## InjuryNatureCrushing 2.662e+02
## InjuryNatureDermatitis 2.654e+02
## InjuryNatureDislocation 2.671e+02
## InjuryNatureDust Disease, NOC 3.056e+02
## InjuryNatureElectric Shock 2.750e+02
## InjuryNatureForeign Body 2.659e+02
## InjuryNatureFracture 2.650e+02
## InjuryNatureFreezing 3.727e+02
## InjuryNatureHearing Loss Or Impairment 2.883e+02
## InjuryNatureHeat Prostration 2.703e+02
## InjuryNatureHernia 2.676e+02
## InjuryNatureInfection 2.673e+02
## InjuryNatureInflammation 2.656e+02
## InjuryNatureLaceration 2.649e+02
## InjuryNatureLoss of Hearing 2.981e+02
## InjuryNatureMental Disorder 3.839e+02
## InjuryNatureMental Stress 2.678e+02
## InjuryNatureMultiple Injuries Including Both Physical and Psychological 2.763e+02
## InjuryNatureMultiple Physical Injuries Only 2.650e+02
## InjuryNatureMyocardial Infarction 3.051e+02
## InjuryNatureNo Physical Injury 2.645e+02
## InjuryNatureNon-Standard Code 2.672e+02
## InjuryNatureNot Available 2.683e+02
## InjuryNaturePoisoning?Chemical (Other Than Metals) 2.705e+02
## InjuryNaturePoisoning?General (NOT OD or Cumulative Injury) 2.815e+02
## InjuryNaturePuncture 2.651e+02
## InjuryNatureRadiation 3.737e+02
## InjuryNatureRespiratory Disorders 2.669e+02
## InjuryNatureRupture 2.721e+02
## InjuryNatureSeverance 3.727e+02
## InjuryNatureSilicosis 3.236e+02
## InjuryNatureSprain 2.649e+02
## InjuryNatureStrain 2.648e+02
## InjuryNatureSyncope 2.723e+02
## InjuryNatureVascular 3.052e+02
## InjuryNatureVision Loss 2.861e+02
## BodyPartRegionLower Extremities 4.512e+01
## BodyPartRegionMultiple Body Parts 9.984e+01
## BodyPartRegionNeck 1.226e+02
## BodyPartRegionNon-Standard Code 4.915e+01
## BodyPartRegionTrunk 4.269e+01
## BodyPartRegionUpper Extremities 3.815e+01
## BodyPartAnkle 2.934e+01
## BodyPartArtificial Appliance 2.783e+02
## BodyPartBody Systems and Multiple Body Systems 1.044e+02
## BodyPartBrain 1.019e+02
## BodyPartButtocks 4.126e+01
## BodyPartChest 2.972e+01
## BodyPartDisc-Trunk 4.356e+01
## BodyPartEar(S) 5.379e+01
## BodyPartElbow 2.182e+01
## BodyPartEyes 4.051e+01
## BodyPartFacial Bones 4.813e+01
## BodyPartFinger(S) 1.624e+01
## BodyPartFoot 2.993e+01
## BodyPartGreat Toe 5.663e+01
## BodyPartHand 1.592e+01
## BodyPartHeart 1.359e+02
## BodyPartHip 3.496e+01
## BodyPartInsufficient Info to Properly Identify?Unclassified 1.015e+02
## BodyPartInternal Organs 6.118e+01
## BodyPartKnee 2.826e+01
## BodyPartLarynx 1.762e+02
## BodyPartLower Arm 1.974e+01
## BodyPartLower Back Area 2.425e+01
## BodyPartLower Leg 3.111e+01
## BodyPartLumbar and/or Sacral Vertebrae (Vertebra NOC Trunk) 3.268e+01
## BodyPartLungs 4.864e+01
## BodyPartMouth 5.424e+01
## BodyPartMultiple Body Parts (Including Body Systems and Body Parts) 9.358e+01
## BodyPartMultiple Head Injury 4.014e+01
## BodyPartMultiple Lower Extremities 4.012e+01
## BodyPartMultiple Neck Injury 1.188e+02
## BodyPartMultiple Trunk 5.992e+01
## BodyPartMultiple Upper Extremities 3.077e+01
## BodyPartNo Physical Injury 9.981e+01
## BodyPartNon-Standard Code NA
## BodyPartNose 5.220e+01
## BodyPartPelvis 6.703e+01
## BodyPartSacrum And Coccyx 9.047e+01
## BodyPartShoulder(S) 1.688e+01
## BodyPartSkull 4.793e+01
## BodyPartSoft Tissue-Head 4.362e+01
## BodyPartSoft Tissue-Neck 1.181e+02
## BodyPartSpinal Cord-Trunk 6.950e+01
## BodyPartTeeth NA
## BodyPartThumb 2.158e+01
## BodyPartToes 4.149e+01
## BodyPartTrachea 2.201e+02
## BodyPartUpper Arm 2.750e+01
## BodyPartUpper Back Area 3.583e+01
## BodyPartUpper Leg NA
## BodyPartVertebrae NA
## BodyPartWhole Body NA
## BodyPartWrist NA
## ClaimantAge_at_DOI 2.093e-02
## t value
## (Intercept) 0.207
## TotalIncurredCost 26.767
## GenderMale 4.035
## GenderNot Available 0.783
## ClaimantTypeMedical Only -15.114
## ClaimantTypeReport Only -0.631
## InjuryNatureAll Other Cumulative Injury, NOC 0.577
## InjuryNatureAll Other Occupational Disease Injury, NOC 1.003
## InjuryNatureAll Other Specific Injuries, Noc 0.964
## InjuryNatureAmputation -0.134
## InjuryNatureAsbestosis 0.502
## InjuryNatureAsphyxiation 0.311
## InjuryNatureBurn 0.805
## InjuryNatureCarpal Tunnel Syndrome 1.108
## InjuryNatureConcussion 0.592
## InjuryNatureContagious Disease 0.629
## InjuryNatureContusion 0.928
## InjuryNatureCrushing 0.546
## InjuryNatureDermatitis 0.628
## InjuryNatureDislocation 0.980
## InjuryNatureDust Disease, NOC 1.205
## InjuryNatureElectric Shock 0.719
## InjuryNatureForeign Body 0.828
## InjuryNatureFracture 0.799
## InjuryNatureFreezing 0.295
## InjuryNatureHearing Loss Or Impairment 0.431
## InjuryNatureHeat Prostration 0.271
## InjuryNatureHernia 0.443
## InjuryNatureInfection 0.799
## InjuryNatureInflammation 0.690
## InjuryNatureLaceration 0.837
## InjuryNatureLoss of Hearing 0.217
## InjuryNatureMental Disorder 0.545
## InjuryNatureMental Stress 1.200
## InjuryNatureMultiple Injuries Including Both Physical and Psychological 0.182
## InjuryNatureMultiple Physical Injuries Only 0.781
## InjuryNatureMyocardial Infarction -0.316
## InjuryNatureNo Physical Injury 0.679
## InjuryNatureNon-Standard Code 0.891
## InjuryNatureNot Available 0.510
## InjuryNaturePoisoning?Chemical (Other Than Metals) 0.675
## InjuryNaturePoisoning?General (NOT OD or Cumulative Injury) 0.752
## InjuryNaturePuncture 0.857
## InjuryNatureRadiation 0.097
## InjuryNatureRespiratory Disorders 0.752
## InjuryNatureRupture 0.320
## InjuryNatureSeverance 0.262
## InjuryNatureSilicosis 0.854
## InjuryNatureSprain 0.721
## InjuryNatureStrain 0.871
## InjuryNatureSyncope 0.295
## InjuryNatureVascular 1.752
## InjuryNatureVision Loss 1.153
## BodyPartRegionLower Extremities -0.764
## BodyPartRegionMultiple Body Parts -1.362
## BodyPartRegionNeck 2.100
## BodyPartRegionNon-Standard Code -1.271
## BodyPartRegionTrunk -0.956
## BodyPartRegionUpper Extremities 0.078
## BodyPartAnkle 1.469
## BodyPartArtificial Appliance -0.304
## BodyPartBody Systems and Multiple Body Systems 1.777
## BodyPartBrain -1.522
## BodyPartButtocks -0.155
## BodyPartChest 0.989
## BodyPartDisc-Trunk 1.763
## BodyPartEar(S) 0.772
## BodyPartElbow -1.377
## BodyPartEyes -0.037
## BodyPartFacial Bones -0.926
## BodyPartFinger(S) -0.732
## BodyPartFoot 0.249
## BodyPartGreat Toe 0.235
## BodyPartHand -0.961
## BodyPartHeart 2.113
## BodyPartHip -0.160
## BodyPartInsufficient Info to Properly Identify?Unclassified 1.606
## BodyPartInternal Organs 1.265
## BodyPartKnee 0.744
## BodyPartLarynx 0.052
## BodyPartLower Arm -0.977
## BodyPartLower Back Area 1.655
## BodyPartLower Leg 0.638
## BodyPartLumbar and/or Sacral Vertebrae (Vertebra NOC Trunk) 1.879
## BodyPartLungs 2.470
## BodyPartMouth 1.598
## BodyPartMultiple Body Parts (Including Body Systems and Body Parts) 2.171
## BodyPartMultiple Head Injury 0.591
## BodyPartMultiple Lower Extremities 0.879
## BodyPartMultiple Neck Injury -1.617
## BodyPartMultiple Trunk -0.145
## BodyPartMultiple Upper Extremities 1.781
## BodyPartNo Physical Injury 2.208
## BodyPartNon-Standard Code NA
## BodyPartNose -0.807
## BodyPartPelvis 1.944
## BodyPartSacrum And Coccyx -0.037
## BodyPartShoulder(S) -1.019
## BodyPartSkull -1.762
## BodyPartSoft Tissue-Head -2.410
## BodyPartSoft Tissue-Neck -2.635
## BodyPartSpinal Cord-Trunk 5.412
## BodyPartTeeth NA
## BodyPartThumb -1.095
## BodyPartToes -0.272
## BodyPartTrachea -0.765
## BodyPartUpper Arm 1.171
## BodyPartUpper Back Area 1.488
## BodyPartUpper Leg NA
## BodyPartVertebrae NA
## BodyPartWhole Body NA
## BodyPartWrist NA
## ClaimantAge_at_DOI -2.216
## Pr(>|t|)
## (Intercept) 0.83602
## TotalIncurredCost < 2e-16
## GenderMale 5.50e-05
## GenderNot Available 0.43369
## ClaimantTypeMedical Only < 2e-16
## ClaimantTypeReport Only 0.52803
## InjuryNatureAll Other Cumulative Injury, NOC 0.56414
## InjuryNatureAll Other Occupational Disease Injury, NOC 0.31580
## InjuryNatureAll Other Specific Injuries, Noc 0.33514
## InjuryNatureAmputation 0.89371
## InjuryNatureAsbestosis 0.61564
## InjuryNatureAsphyxiation 0.75584
## InjuryNatureBurn 0.42068
## InjuryNatureCarpal Tunnel Syndrome 0.26794
## InjuryNatureConcussion 0.55355
## InjuryNatureContagious Disease 0.52964
## InjuryNatureContusion 0.35344
## InjuryNatureCrushing 0.58530
## InjuryNatureDermatitis 0.53031
## InjuryNatureDislocation 0.32733
## InjuryNatureDust Disease, NOC 0.22811
## InjuryNatureElectric Shock 0.47227
## InjuryNatureForeign Body 0.40789
## InjuryNatureFracture 0.42408
## InjuryNatureFreezing 0.76837
## InjuryNatureHearing Loss Or Impairment 0.66619
## InjuryNatureHeat Prostration 0.78603
## InjuryNatureHernia 0.65798
## InjuryNatureInfection 0.42404
## InjuryNatureInflammation 0.49013
## InjuryNatureLaceration 0.40235
## InjuryNatureLoss of Hearing 0.82810
## InjuryNatureMental Disorder 0.58610
## InjuryNatureMental Stress 0.23013
## InjuryNatureMultiple Injuries Including Both Physical and Psychological 0.85581
## InjuryNatureMultiple Physical Injuries Only 0.43493
## InjuryNatureMyocardial Infarction 0.75165
## InjuryNatureNo Physical Injury 0.49716
## InjuryNatureNon-Standard Code 0.37304
## InjuryNatureNot Available 0.61011
## InjuryNaturePoisoning?Chemical (Other Than Metals) 0.49996
## InjuryNaturePoisoning?General (NOT OD or Cumulative Injury) 0.45236
## InjuryNaturePuncture 0.39135
## InjuryNatureRadiation 0.92296
## InjuryNatureRespiratory Disorders 0.45232
## InjuryNatureRupture 0.74920
## InjuryNatureSeverance 0.79349
## InjuryNatureSilicosis 0.39315
## InjuryNatureSprain 0.47093
## InjuryNatureStrain 0.38386
## InjuryNatureSyncope 0.76812
## InjuryNatureVascular 0.07983
## InjuryNatureVision Loss 0.24881
## BodyPartRegionLower Extremities 0.44477
## BodyPartRegionMultiple Body Parts 0.17322
## BodyPartRegionNeck 0.03577
## BodyPartRegionNon-Standard Code 0.20389
## BodyPartRegionTrunk 0.33908
## BodyPartRegionUpper Extremities 0.93758
## BodyPartAnkle 0.14186
## BodyPartArtificial Appliance 0.76124
## BodyPartBody Systems and Multiple Body Systems 0.07560
## BodyPartBrain 0.12807
## BodyPartButtocks 0.87709
## BodyPartChest 0.32261
## BodyPartDisc-Trunk 0.07797
## BodyPartEar(S) 0.43998
## BodyPartElbow 0.16839
## BodyPartEyes 0.97013
## BodyPartFacial Bones 0.35456
## BodyPartFinger(S) 0.46444
## BodyPartFoot 0.80323
## BodyPartGreat Toe 0.81419
## BodyPartHand 0.33657
## BodyPartHeart 0.03462
## BodyPartHip 0.87292
## BodyPartInsufficient Info to Properly Identify?Unclassified 0.10835
## BodyPartInternal Organs 0.20578
## BodyPartKnee 0.45714
## BodyPartLarynx 0.95821
## BodyPartLower Arm 0.32843
## BodyPartLower Back Area 0.09803
## BodyPartLower Leg 0.52336
## BodyPartLumbar and/or Sacral Vertebrae (Vertebra NOC Trunk) 0.06031
## BodyPartLungs 0.01352
## BodyPartMouth 0.11000
## BodyPartMultiple Body Parts (Including Body Systems and Body Parts) 0.02997
## BodyPartMultiple Head Injury 0.55463
## BodyPartMultiple Lower Extremities 0.37935
## BodyPartMultiple Neck Injury 0.10599
## BodyPartMultiple Trunk 0.88445
## BodyPartMultiple Upper Extremities 0.07495
## BodyPartNo Physical Injury 0.02726
## BodyPartNon-Standard Code NA
## BodyPartNose 0.41950
## BodyPartPelvis 0.05188
## BodyPartSacrum And Coccyx 0.97036
## BodyPartShoulder(S) 0.30820
## BodyPartSkull 0.07807
## BodyPartSoft Tissue-Head 0.01596
## BodyPartSoft Tissue-Neck 0.00842
## BodyPartSpinal Cord-Trunk 6.36e-08
## BodyPartTeeth NA
## BodyPartThumb 0.27370
## BodyPartToes 0.78537
## BodyPartTrachea 0.44417
## BodyPartUpper Arm 0.24179
## BodyPartUpper Back Area 0.13669
## BodyPartUpper Leg NA
## BodyPartVertebrae NA
## BodyPartWhole Body NA
## BodyPartWrist NA
## ClaimantAge_at_DOI 0.02673
##
## (Intercept)
## TotalIncurredCost ***
## GenderMale ***
## GenderNot Available
## ClaimantTypeMedical Only ***
## ClaimantTypeReport Only
## InjuryNatureAll Other Cumulative Injury, NOC
## InjuryNatureAll Other Occupational Disease Injury, NOC
## InjuryNatureAll Other Specific Injuries, Noc
## InjuryNatureAmputation
## InjuryNatureAsbestosis
## InjuryNatureAsphyxiation
## InjuryNatureBurn
## InjuryNatureCarpal Tunnel Syndrome
## InjuryNatureConcussion
## InjuryNatureContagious Disease
## InjuryNatureContusion
## InjuryNatureCrushing
## InjuryNatureDermatitis
## InjuryNatureDislocation
## InjuryNatureDust Disease, NOC
## InjuryNatureElectric Shock
## InjuryNatureForeign Body
## InjuryNatureFracture
## InjuryNatureFreezing
## InjuryNatureHearing Loss Or Impairment
## InjuryNatureHeat Prostration
## InjuryNatureHernia
## InjuryNatureInfection
## InjuryNatureInflammation
## InjuryNatureLaceration
## InjuryNatureLoss of Hearing
## InjuryNatureMental Disorder
## InjuryNatureMental Stress
## InjuryNatureMultiple Injuries Including Both Physical and Psychological
## InjuryNatureMultiple Physical Injuries Only
## InjuryNatureMyocardial Infarction
## InjuryNatureNo Physical Injury
## InjuryNatureNon-Standard Code
## InjuryNatureNot Available
## InjuryNaturePoisoning?Chemical (Other Than Metals)
## InjuryNaturePoisoning?General (NOT OD or Cumulative Injury)
## InjuryNaturePuncture
## InjuryNatureRadiation
## InjuryNatureRespiratory Disorders
## InjuryNatureRupture
## InjuryNatureSeverance
## InjuryNatureSilicosis
## InjuryNatureSprain
## InjuryNatureStrain
## InjuryNatureSyncope
## InjuryNatureVascular .
## InjuryNatureVision Loss
## BodyPartRegionLower Extremities
## BodyPartRegionMultiple Body Parts
## BodyPartRegionNeck *
## BodyPartRegionNon-Standard Code
## BodyPartRegionTrunk
## BodyPartRegionUpper Extremities
## BodyPartAnkle
## BodyPartArtificial Appliance
## BodyPartBody Systems and Multiple Body Systems .
## BodyPartBrain
## BodyPartButtocks
## BodyPartChest
## BodyPartDisc-Trunk .
## BodyPartEar(S)
## BodyPartElbow
## BodyPartEyes
## BodyPartFacial Bones
## BodyPartFinger(S)
## BodyPartFoot
## BodyPartGreat Toe
## BodyPartHand
## BodyPartHeart *
## BodyPartHip
## BodyPartInsufficient Info to Properly Identify?Unclassified
## BodyPartInternal Organs
## BodyPartKnee
## BodyPartLarynx
## BodyPartLower Arm
## BodyPartLower Back Area .
## BodyPartLower Leg
## BodyPartLumbar and/or Sacral Vertebrae (Vertebra NOC Trunk) .
## BodyPartLungs *
## BodyPartMouth
## BodyPartMultiple Body Parts (Including Body Systems and Body Parts) *
## BodyPartMultiple Head Injury
## BodyPartMultiple Lower Extremities
## BodyPartMultiple Neck Injury
## BodyPartMultiple Trunk
## BodyPartMultiple Upper Extremities .
## BodyPartNo Physical Injury *
## BodyPartNon-Standard Code
## BodyPartNose
## BodyPartPelvis .
## BodyPartSacrum And Coccyx
## BodyPartShoulder(S)
## BodyPartSkull .
## BodyPartSoft Tissue-Head *
## BodyPartSoft Tissue-Neck **
## BodyPartSpinal Cord-Trunk ***
## BodyPartTeeth
## BodyPartThumb
## BodyPartToes
## BodyPartTrachea
## BodyPartUpper Arm
## BodyPartUpper Back Area
## BodyPartUpper Leg
## BodyPartVertebrae
## BodyPartWhole Body
## BodyPartWrist
## ClaimantAge_at_DOI *
## ---
## Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
##
## Residual standard error: 262.1 on 10914 degrees of freedom
## Multiple R-squared: 0.1886, Adjusted R-squared: 0.1807
## F-statistic: 23.93 on 106 and 10914 DF, p-value: < 2.2e-16Se observa que al ajustar el modelo de regresión considerando solo las variables que resultaron significativas en el primer caso, el r cuadrado disminuye ligeramente.
Construcción de un modelo predictivo
# Construir un modelo predictivo a partir del primer modelo de regresión obtenido. Se utilizará el renglón 10,000 de la base de datos
bd3[8000, ] # se observa el renglón 10,000 de la base de datos## TiempoDeProcesamiento TotalIncurredCost TotalPaid TotalReserves
## 115211 293 3126.87 3126.87 0
## TotalRecovery IndemnityPaid AverageWeeklyWage OtherPaid
## 115211 0 0 500 3126.87
## ClaimantAge_at_DOI ClaimStatus Gender ClaimantType InjuryNature
## 115211 44 C Female Medical Only Strain
## BodyPartRegion BodyPart IsDenied ClaimID GroupInjury
## 115211 Trunk Lower Back Area 0 18369571 Strain
## GroupBodyPart GroupBodyPR ClaimantOpenedDate ClaimantClosedDate
## 115211 Others Others 2011-07-21 2012-05-09# Se realiza la predicción
prediccióntiempo <- data.frame(TotalIncurredCost = 3126.87, Gender ="Female", InjuryNature = "Strain", BodyPartRegion = "Trunk", BodyPart ="Lower Back Area", ClaimantType = "Medical Only", ClaimantAge_at_DOI = 44)
predict(regresiontp, prediccióntiempo)## 1
## 283.4904La diferencia respecto a los días estimados y los días reales es de 10 días.
TotalIncurredCost
Creación del modelo de regresión
# Se crea el modelo de regresión
regresiontic <- lm(TotalIncurredCost ~ TiempoDeProcesamiento + AverageWeeklyWage + ClaimantAge_at_DOI + Gender + ClaimantType + InjuryNature + BodyPartRegion + BodyPart + IsDenied + GroupInjury + GroupBodyPart + GroupBodyPR, data = bd3)
summary(regresiontic)##
## Call:
## lm(formula = TotalIncurredCost ~ TiempoDeProcesamiento + AverageWeeklyWage +
## ClaimantAge_at_DOI + Gender + ClaimantType + InjuryNature +
## BodyPartRegion + BodyPart + IsDenied + GroupInjury + GroupBodyPart +
## GroupBodyPR, data = bd3)
##
## Residuals:
## Min 1Q Median 3Q Max
## -5695.9 -835.1 -252.8 479.4 10453.1
##
## Coefficients: (12 not defined because of singularities)
## Estimate
## (Intercept) 2.368e+03
## TiempoDeProcesamiento 1.949e+00
## AverageWeeklyWage 3.827e-04
## ClaimantAge_at_DOI 6.561e-02
## GenderMale -4.608e+01
## GenderNot Available -8.838e+00
## ClaimantTypeMedical Only -2.560e+03
## ClaimantTypeReport Only -3.053e+03
## InjuryNatureAll Other Cumulative Injury, NOC 3.968e+00
## InjuryNatureAll Other Occupational Disease Injury, NOC -1.083e+03
## InjuryNatureAll Other Specific Injuries, Noc -3.863e+01
## InjuryNatureAmputation 4.085e+03
## InjuryNatureAsbestosis -2.394e+02
## InjuryNatureAsphyxiation -1.699e+02
## InjuryNatureBurn -1.334e+02
## InjuryNatureCarpal Tunnel Syndrome 5.330e+02
## InjuryNatureConcussion 1.011e+03
## InjuryNatureContagious Disease -2.465e+02
## InjuryNatureContusion 1.451e+02
## InjuryNatureCrushing 4.339e+02
## InjuryNatureDermatitis -2.264e+02
## InjuryNatureDislocation 5.780e+02
## InjuryNatureDust Disease, NOC -6.814e+02
## InjuryNatureElectric Shock 1.278e+03
## InjuryNatureForeign Body 1.192e+02
## InjuryNatureFracture 9.631e+02
## InjuryNatureFreezing 2.602e+02
## InjuryNatureHearing Loss Or Impairment 1.425e+03
## InjuryNatureHeat Prostration 1.087e+03
## InjuryNatureHernia 1.534e+03
## InjuryNatureInfection -6.682e+00
## InjuryNatureInflammation 2.991e+02
## InjuryNatureLaceration 2.530e+02
## InjuryNatureLoss of Hearing 3.358e+03
## InjuryNatureMental Disorder -3.225e+03
## InjuryNatureMental Stress -5.799e+02
## InjuryNatureMultiple Injuries Including Both Physical and Psychological 2.031e+03
## InjuryNatureMultiple Physical Injuries Only 4.241e+02
## InjuryNatureMyocardial Infarction -1.759e+02
## InjuryNatureNo Physical Injury 2.358e+02
## InjuryNatureNon-Standard Code 3.818e+02
## InjuryNatureNot Available 3.041e+02
## InjuryNaturePoisoning?Chemical (Other Than Metals) 2.180e+02
## InjuryNaturePoisoning?General (NOT OD or Cumulative Injury) 5.079e+02
## InjuryNaturePuncture 4.354e+01
## InjuryNatureRadiation 8.553e+03
## InjuryNatureRespiratory Disorders -7.248e+01
## InjuryNatureRupture 1.803e+03
## InjuryNatureSeverance 3.752e+03
## InjuryNatureSilicosis -2.957e+02
## InjuryNatureSprain 2.805e+02
## InjuryNatureStrain 3.584e+02
## InjuryNatureSyncope 1.369e+03
## InjuryNatureVascular -9.433e+02
## InjuryNatureVision Loss -6.270e+02
## BodyPartRegionLower Extremities 1.521e+02
## BodyPartRegionMultiple Body Parts 1.936e+03
## BodyPartRegionNeck -9.652e+02
## BodyPartRegionNon-Standard Code 3.577e+02
## BodyPartRegionTrunk 7.883e+02
## BodyPartRegionUpper Extremities 3.687e+02
## BodyPartAnkle 2.136e+02
## BodyPartArtificial Appliance 2.209e+02
## BodyPartBody Systems and Multiple Body Systems -1.481e+03
## BodyPartBrain 7.641e+02
## BodyPartButtocks -4.089e+02
## BodyPartChest -8.800e+02
## BodyPartDisc-Trunk 3.934e+02
## BodyPartEar(S) -3.441e+02
## BodyPartElbow -6.333e+01
## BodyPartEyes 1.679e+02
## BodyPartFacial Bones 4.281e+02
## BodyPartFinger(S) -1.463e+02
## BodyPartFoot -2.054e+02
## BodyPartGreat Toe -1.106e+03
## BodyPartHand -4.685e+01
## BodyPartHeart -1.275e+03
## BodyPartHip 7.977e+01
## BodyPartInsufficient Info to Properly Identify?Unclassified -1.411e+03
## BodyPartInternal Organs -7.089e+02
## BodyPartKnee 3.438e+02
## BodyPartLarynx 6.121e+02
## BodyPartLower Arm 3.744e+01
## BodyPartLower Back Area -5.207e+02
## BodyPartLower Leg 2.298e+02
## BodyPartLumbar and/or Sacral Vertebrae (Vertebra NOC Trunk) -1.177e+03
## BodyPartLungs -4.667e+02
## BodyPartMouth 3.905e+02
## BodyPartMultiple Body Parts (Including Body Systems and Body Parts) -1.686e+03
## BodyPartMultiple Head Injury 2.736e+02
## BodyPartMultiple Lower Extremities 5.782e+02
## BodyPartMultiple Neck Injury 1.069e+03
## BodyPartMultiple Trunk 2.449e+02
## BodyPartMultiple Upper Extremities -2.356e+02
## BodyPartNo Physical Injury -1.741e+03
## BodyPartNon-Standard Code NA
## BodyPartNose 7.381e+02
## BodyPartPelvis 2.724e+02
## BodyPartSacrum And Coccyx 4.502e+02
## BodyPartShoulder(S) 4.552e+01
## BodyPartSkull 7.332e+02
## BodyPartSoft Tissue-Head 6.569e+02
## BodyPartSoft Tissue-Neck 1.187e+03
## BodyPartSpinal Cord-Trunk -1.241e+03
## BodyPartTeeth NA
## BodyPartThumb 1.657e+01
## BodyPartToes -4.251e+02
## BodyPartTrachea 8.790e+02
## BodyPartUpper Arm -1.191e+02
## BodyPartUpper Back Area -3.364e+02
## BodyPartUpper Leg NA
## BodyPartVertebrae NA
## BodyPartWhole Body NA
## BodyPartWrist NA
## IsDenied -9.248e+02
## GroupInjuryOthers NA
## GroupInjuryStrain NA
## GroupBodyPartMultiple Body Parts NA
## GroupBodyPartOthers NA
## GroupBodyPROthers NA
## GroupBodyPRUpper Extremities NA
## Std. Error
## (Intercept) 2.113e+03
## TiempoDeProcesamiento 7.334e-02
## AverageWeeklyWage 8.489e-04
## ClaimantAge_at_DOI 1.655e-01
## GenderMale 4.125e+01
## GenderNot Available 2.393e+02
## ClaimantTypeMedical Only 4.551e+01
## ClaimantTypeReport Only 1.472e+03
## InjuryNatureAll Other Cumulative Injury, NOC 2.205e+03
## InjuryNatureAll Other Occupational Disease Injury, NOC 2.339e+03
## InjuryNatureAll Other Specific Injuries, Noc 2.097e+03
## InjuryNatureAmputation 2.412e+03
## InjuryNatureAsbestosis 2.184e+03
## InjuryNatureAsphyxiation 2.930e+03
## InjuryNatureBurn 2.101e+03
## InjuryNatureCarpal Tunnel Syndrome 2.101e+03
## InjuryNatureConcussion 2.108e+03
## InjuryNatureContagious Disease 2.141e+03
## InjuryNatureContusion 2.094e+03
## InjuryNatureCrushing 2.105e+03
## InjuryNatureDermatitis 2.098e+03
## InjuryNatureDislocation 2.111e+03
## InjuryNatureDust Disease, NOC 2.416e+03
## InjuryNatureElectric Shock 2.174e+03
## InjuryNatureForeign Body 2.102e+03
## InjuryNatureFracture 2.095e+03
## InjuryNatureFreezing 2.947e+03
## InjuryNatureHearing Loss Or Impairment 2.279e+03
## InjuryNatureHeat Prostration 2.137e+03
## InjuryNatureHernia 2.116e+03
## InjuryNatureInfection 2.113e+03
## InjuryNatureInflammation 2.100e+03
## InjuryNatureLaceration 2.095e+03
## InjuryNatureLoss of Hearing 2.356e+03
## InjuryNatureMental Disorder 3.035e+03
## InjuryNatureMental Stress 2.118e+03
## InjuryNatureMultiple Injuries Including Both Physical and Psychological 2.184e+03
## InjuryNatureMultiple Physical Injuries Only 2.095e+03
## InjuryNatureMyocardial Infarction 2.413e+03
## InjuryNatureNo Physical Injury 2.092e+03
## InjuryNatureNon-Standard Code 2.113e+03
## InjuryNatureNot Available 2.121e+03
## InjuryNaturePoisoning?Chemical (Other Than Metals) 2.139e+03
## InjuryNaturePoisoning?General (NOT OD or Cumulative Injury) 2.226e+03
## InjuryNaturePuncture 2.096e+03
## InjuryNatureRadiation 2.953e+03
## InjuryNatureRespiratory Disorders 2.110e+03
## InjuryNatureRupture 2.151e+03
## InjuryNatureSeverance 2.946e+03
## InjuryNatureSilicosis 2.558e+03
## InjuryNatureSprain 2.094e+03
## InjuryNatureStrain 2.094e+03
## InjuryNatureSyncope 2.153e+03
## InjuryNatureVascular 2.413e+03
## InjuryNatureVision Loss 2.262e+03
## BodyPartRegionLower Extremities 3.581e+02
## BodyPartRegionMultiple Body Parts 7.898e+02
## BodyPartRegionNeck 9.704e+02
## BodyPartRegionNon-Standard Code 3.898e+02
## BodyPartRegionTrunk 3.389e+02
## BodyPartRegionUpper Extremities 3.032e+02
## BodyPartAnkle 2.321e+02
## BodyPartArtificial Appliance 2.200e+03
## BodyPartBody Systems and Multiple Body Systems 8.256e+02
## BodyPartBrain 8.062e+02
## BodyPartButtocks 3.262e+02
## BodyPartChest 2.348e+02
## BodyPartDisc-Trunk 3.445e+02
## BodyPartEar(S) 4.264e+02
## BodyPartElbow 1.725e+02
## BodyPartEyes 3.217e+02
## BodyPartFacial Bones 3.818e+02
## BodyPartFinger(S) 1.284e+02
## BodyPartFoot 2.367e+02
## BodyPartGreat Toe 4.477e+02
## BodyPartHand 1.259e+02
## BodyPartHeart 1.075e+03
## BodyPartHip 2.764e+02
## BodyPartInsufficient Info to Properly Identify?Unclassified 8.026e+02
## BodyPartInternal Organs 4.838e+02
## BodyPartKnee 2.234e+02
## BodyPartLarynx 1.393e+03
## BodyPartLower Arm 1.561e+02
## BodyPartLower Back Area 1.918e+02
## BodyPartLower Leg 2.460e+02
## BodyPartLumbar and/or Sacral Vertebrae (Vertebra NOC Trunk) 2.582e+02
## BodyPartLungs 3.847e+02
## BodyPartMouth 4.300e+02
## BodyPartMultiple Body Parts (Including Body Systems and Body Parts) 7.398e+02
## BodyPartMultiple Head Injury 3.188e+02
## BodyPartMultiple Lower Extremities 3.171e+02
## BodyPartMultiple Neck Injury 9.390e+02
## BodyPartMultiple Trunk 4.738e+02
## BodyPartMultiple Upper Extremities 2.433e+02
## BodyPartNo Physical Injury 7.891e+02
## BodyPartNon-Standard Code NA
## BodyPartNose 4.137e+02
## BodyPartPelvis 5.301e+02
## BodyPartSacrum And Coccyx 7.152e+02
## BodyPartShoulder(S) 1.336e+02
## BodyPartSkull 3.802e+02
## BodyPartSoft Tissue-Head 3.463e+02
## BodyPartSoft Tissue-Neck 9.340e+02
## BodyPartSpinal Cord-Trunk 5.501e+02
## BodyPartTeeth NA
## BodyPartThumb 1.707e+02
## BodyPartToes 3.281e+02
## BodyPartTrachea 1.740e+03
## BodyPartUpper Arm 2.175e+02
## BodyPartUpper Back Area 2.834e+02
## BodyPartUpper Leg NA
## BodyPartVertebrae NA
## BodyPartWhole Body NA
## BodyPartWrist NA
## IsDenied 7.684e+01
## GroupInjuryOthers NA
## GroupInjuryStrain NA
## GroupBodyPartMultiple Body Parts NA
## GroupBodyPartOthers NA
## GroupBodyPROthers NA
## GroupBodyPRUpper Extremities NA
## t value
## (Intercept) 1.121
## TiempoDeProcesamiento 26.573
## AverageWeeklyWage 0.451
## ClaimantAge_at_DOI 0.396
## GenderMale -1.117
## GenderNot Available -0.037
## ClaimantTypeMedical Only -56.251
## ClaimantTypeReport Only -2.074
## InjuryNatureAll Other Cumulative Injury, NOC 0.002
## InjuryNatureAll Other Occupational Disease Injury, NOC -0.463
## InjuryNatureAll Other Specific Injuries, Noc -0.018
## InjuryNatureAmputation 1.694
## InjuryNatureAsbestosis -0.110
## InjuryNatureAsphyxiation -0.058
## InjuryNatureBurn -0.064
## InjuryNatureCarpal Tunnel Syndrome 0.254
## InjuryNatureConcussion 0.479
## InjuryNatureContagious Disease -0.115
## InjuryNatureContusion 0.069
## InjuryNatureCrushing 0.206
## InjuryNatureDermatitis -0.108
## InjuryNatureDislocation 0.274
## InjuryNatureDust Disease, NOC -0.282
## InjuryNatureElectric Shock 0.588
## InjuryNatureForeign Body 0.057
## InjuryNatureFracture 0.460
## InjuryNatureFreezing 0.088
## InjuryNatureHearing Loss Or Impairment 0.625
## InjuryNatureHeat Prostration 0.508
## InjuryNatureHernia 0.725
## InjuryNatureInfection -0.003
## InjuryNatureInflammation 0.142
## InjuryNatureLaceration 0.121
## InjuryNatureLoss of Hearing 1.425
## InjuryNatureMental Disorder -1.062
## InjuryNatureMental Stress -0.274
## InjuryNatureMultiple Injuries Including Both Physical and Psychological 0.930
## InjuryNatureMultiple Physical Injuries Only 0.202
## InjuryNatureMyocardial Infarction -0.073
## InjuryNatureNo Physical Injury 0.113
## InjuryNatureNon-Standard Code 0.181
## InjuryNatureNot Available 0.143
## InjuryNaturePoisoning?Chemical (Other Than Metals) 0.102
## InjuryNaturePoisoning?General (NOT OD or Cumulative Injury) 0.228
## InjuryNaturePuncture 0.021
## InjuryNatureRadiation 2.896
## InjuryNatureRespiratory Disorders -0.034
## InjuryNatureRupture 0.838
## InjuryNatureSeverance 1.274
## InjuryNatureSilicosis -0.116
## InjuryNatureSprain 0.134
## InjuryNatureStrain 0.171
## InjuryNatureSyncope 0.636
## InjuryNatureVascular -0.391
## InjuryNatureVision Loss -0.277
## BodyPartRegionLower Extremities 0.425
## BodyPartRegionMultiple Body Parts 2.451
## BodyPartRegionNeck -0.995
## BodyPartRegionNon-Standard Code 0.918
## BodyPartRegionTrunk 2.326
## BodyPartRegionUpper Extremities 1.216
## BodyPartAnkle 0.920
## BodyPartArtificial Appliance 0.100
## BodyPartBody Systems and Multiple Body Systems -1.794
## BodyPartBrain 0.948
## BodyPartButtocks -1.254
## BodyPartChest -3.748
## BodyPartDisc-Trunk 1.142
## BodyPartEar(S) -0.807
## BodyPartElbow -0.367
## BodyPartEyes 0.522
## BodyPartFacial Bones 1.121
## BodyPartFinger(S) -1.140
## BodyPartFoot -0.868
## BodyPartGreat Toe -2.470
## BodyPartHand -0.372
## BodyPartHeart -1.186
## BodyPartHip 0.289
## BodyPartInsufficient Info to Properly Identify?Unclassified -1.758
## BodyPartInternal Organs -1.465
## BodyPartKnee 1.539
## BodyPartLarynx 0.439
## BodyPartLower Arm 0.240
## BodyPartLower Back Area -2.715
## BodyPartLower Leg 0.934
## BodyPartLumbar and/or Sacral Vertebrae (Vertebra NOC Trunk) -4.558
## BodyPartLungs -1.213
## BodyPartMouth 0.908
## BodyPartMultiple Body Parts (Including Body Systems and Body Parts) -2.280
## BodyPartMultiple Head Injury 0.858
## BodyPartMultiple Lower Extremities 1.823
## BodyPartMultiple Neck Injury 1.138
## BodyPartMultiple Trunk 0.517
## BodyPartMultiple Upper Extremities -0.968
## BodyPartNo Physical Injury -2.206
## BodyPartNon-Standard Code NA
## BodyPartNose 1.784
## BodyPartPelvis 0.514
## BodyPartSacrum And Coccyx 0.629
## BodyPartShoulder(S) 0.341
## BodyPartSkull 1.928
## BodyPartSoft Tissue-Head 1.897
## BodyPartSoft Tissue-Neck 1.271
## BodyPartSpinal Cord-Trunk -2.256
## BodyPartTeeth NA
## BodyPartThumb 0.097
## BodyPartToes -1.296
## BodyPartTrachea 0.505
## BodyPartUpper Arm -0.548
## BodyPartUpper Back Area -1.187
## BodyPartUpper Leg NA
## BodyPartVertebrae NA
## BodyPartWhole Body NA
## BodyPartWrist NA
## IsDenied -12.036
## GroupInjuryOthers NA
## GroupInjuryStrain NA
## GroupBodyPartMultiple Body Parts NA
## GroupBodyPartOthers NA
## GroupBodyPROthers NA
## GroupBodyPRUpper Extremities NA
## Pr(>|t|)
## (Intercept) 0.262268
## TiempoDeProcesamiento < 2e-16
## AverageWeeklyWage 0.652152
## ClaimantAge_at_DOI 0.691826
## GenderMale 0.263951
## GenderNot Available 0.970535
## ClaimantTypeMedical Only < 2e-16
## ClaimantTypeReport Only 0.038066
## InjuryNatureAll Other Cumulative Injury, NOC 0.998564
## InjuryNatureAll Other Occupational Disease Injury, NOC 0.643493
## InjuryNatureAll Other Specific Injuries, Noc 0.985302
## InjuryNatureAmputation 0.090362
## InjuryNatureAsbestosis 0.912728
## InjuryNatureAsphyxiation 0.953769
## InjuryNatureBurn 0.949365
## InjuryNatureCarpal Tunnel Syndrome 0.799738
## InjuryNatureConcussion 0.631623
## InjuryNatureContagious Disease 0.908327
## InjuryNatureContusion 0.944739
## InjuryNatureCrushing 0.836663
## InjuryNatureDermatitis 0.914057
## InjuryNatureDislocation 0.784290
## InjuryNatureDust Disease, NOC 0.777949
## InjuryNatureElectric Shock 0.556533
## InjuryNatureForeign Body 0.954763
## InjuryNatureFracture 0.645697
## InjuryNatureFreezing 0.929632
## InjuryNatureHearing Loss Or Impairment 0.531754
## InjuryNatureHeat Prostration 0.611148
## InjuryNatureHernia 0.468582
## InjuryNatureInfection 0.997477
## InjuryNatureInflammation 0.886744
## InjuryNatureLaceration 0.903879
## InjuryNatureLoss of Hearing 0.154175
## InjuryNatureMental Disorder 0.288033
## InjuryNatureMental Stress 0.784213
## InjuryNatureMultiple Injuries Including Both Physical and Psychological 0.352619
## InjuryNatureMultiple Physical Injuries Only 0.839608
## InjuryNatureMyocardial Infarction 0.941873
## InjuryNatureNo Physical Injury 0.910225
## InjuryNatureNon-Standard Code 0.856600
## InjuryNatureNot Available 0.885998
## InjuryNaturePoisoning?Chemical (Other Than Metals) 0.918812
## InjuryNaturePoisoning?General (NOT OD or Cumulative Injury) 0.819495
## InjuryNaturePuncture 0.983431
## InjuryNatureRadiation 0.003786
## InjuryNatureRespiratory Disorders 0.972597
## InjuryNatureRupture 0.401958
## InjuryNatureSeverance 0.202867
## InjuryNatureSilicosis 0.907979
## InjuryNatureSprain 0.893442
## InjuryNatureStrain 0.864058
## InjuryNatureSyncope 0.524948
## InjuryNatureVascular 0.695910
## InjuryNatureVision Loss 0.781641
## BodyPartRegionLower Extremities 0.671005
## BodyPartRegionMultiple Body Parts 0.014265
## BodyPartRegionNeck 0.319909
## BodyPartRegionNon-Standard Code 0.358861
## BodyPartRegionTrunk 0.020033
## BodyPartRegionUpper Extremities 0.223873
## BodyPartAnkle 0.357463
## BodyPartArtificial Appliance 0.920031
## BodyPartBody Systems and Multiple Body Systems 0.072883
## BodyPartBrain 0.343288
## BodyPartButtocks 0.210035
## BodyPartChest 0.000179
## BodyPartDisc-Trunk 0.253423
## BodyPartEar(S) 0.419721
## BodyPartElbow 0.713581
## BodyPartEyes 0.601769
## BodyPartFacial Bones 0.262179
## BodyPartFinger(S) 0.254422
## BodyPartFoot 0.385384
## BodyPartGreat Toe 0.013532
## BodyPartHand 0.709843
## BodyPartHeart 0.235653
## BodyPartHip 0.772863
## BodyPartInsufficient Info to Properly Identify?Unclassified 0.078708
## BodyPartInternal Organs 0.142859
## BodyPartKnee 0.123833
## BodyPartLarynx 0.660384
## BodyPartLower Arm 0.810419
## BodyPartLower Back Area 0.006635
## BodyPartLower Leg 0.350221
## BodyPartLumbar and/or Sacral Vertebrae (Vertebra NOC Trunk) 5.23e-06
## BodyPartLungs 0.225034
## BodyPartMouth 0.363879
## BodyPartMultiple Body Parts (Including Body Systems and Body Parts) 0.022650
## BodyPartMultiple Head Injury 0.390784
## BodyPartMultiple Lower Extremities 0.068334
## BodyPartMultiple Neck Injury 0.255113
## BodyPartMultiple Trunk 0.605209
## BodyPartMultiple Upper Extremities 0.332881
## BodyPartNo Physical Injury 0.027407
## BodyPartNon-Standard Code NA
## BodyPartNose 0.074423
## BodyPartPelvis 0.607357
## BodyPartSacrum And Coccyx 0.529047
## BodyPartShoulder(S) 0.733266
## BodyPartSkull 0.053846
## BodyPartSoft Tissue-Head 0.057885
## BodyPartSoft Tissue-Neck 0.203780
## BodyPartSpinal Cord-Trunk 0.024077
## BodyPartTeeth NA
## BodyPartThumb 0.922660
## BodyPartToes 0.195041
## BodyPartTrachea 0.613456
## BodyPartUpper Arm 0.583830
## BodyPartUpper Back Area 0.235204
## BodyPartUpper Leg NA
## BodyPartVertebrae NA
## BodyPartWhole Body NA
## BodyPartWrist NA
## IsDenied < 2e-16
## GroupInjuryOthers NA
## GroupInjuryStrain NA
## GroupBodyPartMultiple Body Parts NA
## GroupBodyPartOthers NA
## GroupBodyPROthers NA
## GroupBodyPRUpper Extremities NA
##
## (Intercept)
## TiempoDeProcesamiento ***
## AverageWeeklyWage
## ClaimantAge_at_DOI
## GenderMale
## GenderNot Available
## ClaimantTypeMedical Only ***
## ClaimantTypeReport Only *
## InjuryNatureAll Other Cumulative Injury, NOC
## InjuryNatureAll Other Occupational Disease Injury, NOC
## InjuryNatureAll Other Specific Injuries, Noc
## InjuryNatureAmputation .
## InjuryNatureAsbestosis
## InjuryNatureAsphyxiation
## InjuryNatureBurn
## InjuryNatureCarpal Tunnel Syndrome
## InjuryNatureConcussion
## InjuryNatureContagious Disease
## InjuryNatureContusion
## InjuryNatureCrushing
## InjuryNatureDermatitis
## InjuryNatureDislocation
## InjuryNatureDust Disease, NOC
## InjuryNatureElectric Shock
## InjuryNatureForeign Body
## InjuryNatureFracture
## InjuryNatureFreezing
## InjuryNatureHearing Loss Or Impairment
## InjuryNatureHeat Prostration
## InjuryNatureHernia
## InjuryNatureInfection
## InjuryNatureInflammation
## InjuryNatureLaceration
## InjuryNatureLoss of Hearing
## InjuryNatureMental Disorder
## InjuryNatureMental Stress
## InjuryNatureMultiple Injuries Including Both Physical and Psychological
## InjuryNatureMultiple Physical Injuries Only
## InjuryNatureMyocardial Infarction
## InjuryNatureNo Physical Injury
## InjuryNatureNon-Standard Code
## InjuryNatureNot Available
## InjuryNaturePoisoning?Chemical (Other Than Metals)
## InjuryNaturePoisoning?General (NOT OD or Cumulative Injury)
## InjuryNaturePuncture
## InjuryNatureRadiation **
## InjuryNatureRespiratory Disorders
## InjuryNatureRupture
## InjuryNatureSeverance
## InjuryNatureSilicosis
## InjuryNatureSprain
## InjuryNatureStrain
## InjuryNatureSyncope
## InjuryNatureVascular
## InjuryNatureVision Loss
## BodyPartRegionLower Extremities
## BodyPartRegionMultiple Body Parts *
## BodyPartRegionNeck
## BodyPartRegionNon-Standard Code
## BodyPartRegionTrunk *
## BodyPartRegionUpper Extremities
## BodyPartAnkle
## BodyPartArtificial Appliance
## BodyPartBody Systems and Multiple Body Systems .
## BodyPartBrain
## BodyPartButtocks
## BodyPartChest ***
## BodyPartDisc-Trunk
## BodyPartEar(S)
## BodyPartElbow
## BodyPartEyes
## BodyPartFacial Bones
## BodyPartFinger(S)
## BodyPartFoot
## BodyPartGreat Toe *
## BodyPartHand
## BodyPartHeart
## BodyPartHip
## BodyPartInsufficient Info to Properly Identify?Unclassified .
## BodyPartInternal Organs
## BodyPartKnee
## BodyPartLarynx
## BodyPartLower Arm
## BodyPartLower Back Area **
## BodyPartLower Leg
## BodyPartLumbar and/or Sacral Vertebrae (Vertebra NOC Trunk) ***
## BodyPartLungs
## BodyPartMouth
## BodyPartMultiple Body Parts (Including Body Systems and Body Parts) *
## BodyPartMultiple Head Injury
## BodyPartMultiple Lower Extremities .
## BodyPartMultiple Neck Injury
## BodyPartMultiple Trunk
## BodyPartMultiple Upper Extremities
## BodyPartNo Physical Injury *
## BodyPartNon-Standard Code
## BodyPartNose .
## BodyPartPelvis
## BodyPartSacrum And Coccyx
## BodyPartShoulder(S)
## BodyPartSkull .
## BodyPartSoft Tissue-Head .
## BodyPartSoft Tissue-Neck
## BodyPartSpinal Cord-Trunk *
## BodyPartTeeth
## BodyPartThumb
## BodyPartToes
## BodyPartTrachea
## BodyPartUpper Arm
## BodyPartUpper Back Area
## BodyPartUpper Leg
## BodyPartVertebrae
## BodyPartWhole Body
## BodyPartWrist
## IsDenied ***
## GroupInjuryOthers
## GroupInjuryStrain
## GroupBodyPartMultiple Body Parts
## GroupBodyPartOthers
## GroupBodyPROthers
## GroupBodyPRUpper Extremities
## ---
## Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
##
## Residual standard error: 2072 on 10912 degrees of freedom
## Multiple R-squared: 0.3801, Adjusted R-squared: 0.374
## F-statistic: 61.96 on 108 and 10912 DF, p-value: < 2.2e-16Ajustes al modelo de regresión
# Se ajusta el modelo de regresión
regresiontic <- lm(TotalIncurredCost ~ TiempoDeProcesamiento + ClaimantType + InjuryNature + BodyPartRegion + BodyPart + IsDenied, data = bd3)
summary(regresiontic)##
## Call:
## lm(formula = TotalIncurredCost ~ TiempoDeProcesamiento + ClaimantType +
## InjuryNature + BodyPartRegion + BodyPart + IsDenied, data = bd3)
##
## Residuals:
## Min 1Q Median 3Q Max
## -5714.9 -832.9 -252.4 471.7 10426.6
##
## Coefficients: (6 not defined because of singularities)
## Estimate
## (Intercept) 2.333e+03
## TiempoDeProcesamiento 1.945e+00
## ClaimantTypeMedical Only -2.560e+03
## ClaimantTypeReport Only -3.056e+03
## InjuryNatureAll Other Cumulative Injury, NOC 4.128e+01
## InjuryNatureAll Other Occupational Disease Injury, NOC -1.061e+03
## InjuryNatureAll Other Specific Injuries, Noc -1.443e+01
## InjuryNatureAmputation 4.083e+03
## InjuryNatureAsbestosis -2.317e+02
## InjuryNatureAsphyxiation -1.688e+02
## InjuryNatureBurn -1.200e+02
## InjuryNatureCarpal Tunnel Syndrome 5.660e+02
## InjuryNatureConcussion 1.032e+03
## InjuryNatureContagious Disease -2.298e+02
## InjuryNatureContusion 1.689e+02
## InjuryNatureCrushing 4.441e+02
## InjuryNatureDermatitis -2.150e+02
## InjuryNatureDislocation 5.891e+02
## InjuryNatureDust Disease, NOC -6.355e+02
## InjuryNatureElectric Shock 1.288e+03
## InjuryNatureForeign Body 1.319e+02
## InjuryNatureFracture 9.834e+02
## InjuryNatureFreezing 2.518e+02
## InjuryNatureHearing Loss Or Impairment 1.431e+03
## InjuryNatureHeat Prostration 1.096e+03
## InjuryNatureHernia 1.540e+03
## InjuryNatureInfection 9.421e+00
## InjuryNatureInflammation 3.204e+02
## InjuryNatureLaceration 2.656e+02
## InjuryNatureLoss of Hearing 3.375e+03
## InjuryNatureMental Disorder -3.186e+03
## InjuryNatureMental Stress -5.574e+02
## InjuryNatureMultiple Injuries Including Both Physical and Psychological 2.056e+03
## InjuryNatureMultiple Physical Injuries Only 4.484e+02
## InjuryNatureMyocardial Infarction -1.741e+02
## InjuryNatureNo Physical Injury 2.545e+02
## InjuryNatureNon-Standard Code 4.042e+02
## InjuryNatureNot Available 3.237e+02
## InjuryNaturePoisoning?Chemical (Other Than Metals) 2.423e+02
## InjuryNaturePoisoning?General (NOT OD or Cumulative Injury) 5.111e+02
## InjuryNaturePuncture 6.496e+01
## InjuryNatureRadiation 8.598e+03
## InjuryNatureRespiratory Disorders -4.306e+01
## InjuryNatureRupture 1.814e+03
## InjuryNatureSeverance 3.752e+03
## InjuryNatureSilicosis -2.577e+02
## InjuryNatureSprain 3.015e+02
## InjuryNatureStrain 3.764e+02
## InjuryNatureSyncope 1.386e+03
## InjuryNatureVascular -9.012e+02
## InjuryNatureVision Loss -6.172e+02
## BodyPartRegionLower Extremities 1.450e+02
## BodyPartRegionMultiple Body Parts 1.927e+03
## BodyPartRegionNeck -9.627e+02
## BodyPartRegionNon-Standard Code 3.520e+02
## BodyPartRegionTrunk 7.765e+02
## BodyPartRegionUpper Extremities 3.703e+02
## BodyPartAnkle 2.234e+02
## BodyPartArtificial Appliance 2.017e+02
## BodyPartBody Systems and Multiple Body Systems -1.470e+03
## BodyPartBrain 7.634e+02
## BodyPartButtocks -3.936e+02
## BodyPartChest -8.780e+02
## BodyPartDisc-Trunk 4.042e+02
## BodyPartEar(S) -3.562e+02
## BodyPartElbow -7.089e+01
## BodyPartEyes 1.593e+02
## BodyPartFacial Bones 4.208e+02
## BodyPartFinger(S) -1.530e+02
## BodyPartFoot -1.958e+02
## BodyPartGreat Toe -1.090e+03
## BodyPartHand -5.311e+01
## BodyPartHeart -1.273e+03
## BodyPartHip 8.903e+01
## BodyPartInsufficient Info to Properly Identify?Unclassified -1.404e+03
## BodyPartInternal Organs -7.120e+02
## BodyPartKnee 3.486e+02
## BodyPartLarynx 5.904e+02
## BodyPartLower Arm 3.362e+01
## BodyPartLower Back Area -5.129e+02
## BodyPartLower Leg 2.284e+02
## BodyPartLumbar and/or Sacral Vertebrae (Vertebra NOC Trunk) -1.170e+03
## BodyPartLungs -4.610e+02
## BodyPartMouth 3.858e+02
## BodyPartMultiple Body Parts (Including Body Systems and Body Parts) -1.676e+03
## BodyPartMultiple Head Injury 2.709e+02
## BodyPartMultiple Lower Extremities 5.864e+02
## BodyPartMultiple Neck Injury 1.064e+03
## BodyPartMultiple Trunk 2.453e+02
## BodyPartMultiple Upper Extremities -2.412e+02
## BodyPartNo Physical Injury -1.739e+03
## BodyPartNon-Standard Code NA
## BodyPartNose 7.340e+02
## BodyPartPelvis 2.718e+02
## BodyPartSacrum And Coccyx 4.651e+02
## BodyPartShoulder(S) 3.881e+01
## BodyPartSkull 7.261e+02
## BodyPartSoft Tissue-Head 6.509e+02
## BodyPartSoft Tissue-Neck 1.179e+03
## BodyPartSpinal Cord-Trunk -1.235e+03
## BodyPartTeeth NA
## BodyPartThumb 1.157e+01
## BodyPartToes -4.079e+02
## BodyPartTrachea 8.663e+02
## BodyPartUpper Arm -1.232e+02
## BodyPartUpper Back Area -3.273e+02
## BodyPartUpper Leg NA
## BodyPartVertebrae NA
## BodyPartWhole Body NA
## BodyPartWrist NA
## IsDenied -9.225e+02
## Std. Error
## (Intercept) 2.112e+03
## TiempoDeProcesamiento 7.327e-02
## ClaimantTypeMedical Only 4.549e+01
## ClaimantTypeReport Only 1.472e+03
## InjuryNatureAll Other Cumulative Injury, NOC 2.204e+03
## InjuryNatureAll Other Occupational Disease Injury, NOC 2.339e+03
## InjuryNatureAll Other Specific Injuries, Noc 2.096e+03
## InjuryNatureAmputation 2.412e+03
## InjuryNatureAsbestosis 2.184e+03
## InjuryNatureAsphyxiation 2.930e+03
## InjuryNatureBurn 2.101e+03
## InjuryNatureCarpal Tunnel Syndrome 2.100e+03
## InjuryNatureConcussion 2.108e+03
## InjuryNatureContagious Disease 2.141e+03
## InjuryNatureContusion 2.093e+03
## InjuryNatureCrushing 2.105e+03
## InjuryNatureDermatitis 2.098e+03
## InjuryNatureDislocation 2.111e+03
## InjuryNatureDust Disease, NOC 2.416e+03
## InjuryNatureElectric Shock 2.174e+03
## InjuryNatureForeign Body 2.102e+03
## InjuryNatureFracture 2.095e+03
## InjuryNatureFreezing 2.947e+03
## InjuryNatureHearing Loss Or Impairment 2.279e+03
## InjuryNatureHeat Prostration 2.137e+03
## InjuryNatureHernia 2.116e+03
## InjuryNatureInfection 2.113e+03
## InjuryNatureInflammation 2.099e+03
## InjuryNatureLaceration 2.094e+03
## InjuryNatureLoss of Hearing 2.356e+03
## InjuryNatureMental Disorder 3.035e+03
## InjuryNatureMental Stress 2.117e+03
## InjuryNatureMultiple Injuries Including Both Physical and Psychological 2.184e+03
## InjuryNatureMultiple Physical Injuries Only 2.095e+03
## InjuryNatureMyocardial Infarction 2.412e+03
## InjuryNatureNo Physical Injury 2.091e+03
## InjuryNatureNon-Standard Code 2.112e+03
## InjuryNatureNot Available 2.121e+03
## InjuryNaturePoisoning?Chemical (Other Than Metals) 2.139e+03
## InjuryNaturePoisoning?General (NOT OD or Cumulative Injury) 2.226e+03
## InjuryNaturePuncture 2.096e+03
## InjuryNatureRadiation 2.953e+03
## InjuryNatureRespiratory Disorders 2.110e+03
## InjuryNatureRupture 2.151e+03
## InjuryNatureSeverance 2.946e+03
## InjuryNatureSilicosis 2.558e+03
## InjuryNatureSprain 2.094e+03
## InjuryNatureStrain 2.093e+03
## InjuryNatureSyncope 2.153e+03
## InjuryNatureVascular 2.413e+03
## InjuryNatureVision Loss 2.262e+03
## BodyPartRegionLower Extremities 3.567e+02
## BodyPartRegionMultiple Body Parts 7.891e+02
## BodyPartRegionNeck 9.697e+02
## BodyPartRegionNon-Standard Code 3.885e+02
## BodyPartRegionTrunk 3.374e+02
## BodyPartRegionUpper Extremities 3.013e+02
## BodyPartAnkle 2.319e+02
## BodyPartArtificial Appliance 2.200e+03
## BodyPartBody Systems and Multiple Body Systems 8.255e+02
## BodyPartBrain 8.054e+02
## BodyPartButtocks 3.259e+02
## BodyPartChest 2.348e+02
## BodyPartDisc-Trunk 3.443e+02
## BodyPartEar(S) 4.252e+02
## BodyPartElbow 1.724e+02
## BodyPartEyes 3.202e+02
## BodyPartFacial Bones 3.804e+02
## BodyPartFinger(S) 1.282e+02
## BodyPartFoot 2.365e+02
## BodyPartGreat Toe 4.475e+02
## BodyPartHand 1.258e+02
## BodyPartHeart 1.075e+03
## BodyPartHip 2.762e+02
## BodyPartInsufficient Info to Properly Identify?Unclassified 8.025e+02
## BodyPartInternal Organs 4.836e+02
## BodyPartKnee 2.233e+02
## BodyPartLarynx 1.393e+03
## BodyPartLower Arm 1.560e+02
## BodyPartLower Back Area 1.916e+02
## BodyPartLower Leg 2.460e+02
## BodyPartLumbar and/or Sacral Vertebrae (Vertebra NOC Trunk) 2.581e+02
## BodyPartLungs 3.846e+02
## BodyPartMouth 4.287e+02
## BodyPartMultiple Body Parts (Including Body Systems and Body Parts) 7.397e+02
## BodyPartMultiple Head Injury 3.172e+02
## BodyPartMultiple Lower Extremities 3.170e+02
## BodyPartMultiple Neck Injury 9.389e+02
## BodyPartMultiple Trunk 4.737e+02
## BodyPartMultiple Upper Extremities 2.433e+02
## BodyPartNo Physical Injury 7.890e+02
## BodyPartNon-Standard Code NA
## BodyPartNose 4.125e+02
## BodyPartPelvis 5.300e+02
## BodyPartSacrum And Coccyx 7.150e+02
## BodyPartShoulder(S) 1.334e+02
## BodyPartSkull 3.789e+02
## BodyPartSoft Tissue-Head 3.448e+02
## BodyPartSoft Tissue-Neck 9.338e+02
## BodyPartSpinal Cord-Trunk 5.500e+02
## BodyPartTeeth NA
## BodyPartThumb 1.706e+02
## BodyPartToes 3.276e+02
## BodyPartTrachea 1.740e+03
## BodyPartUpper Arm 2.174e+02
## BodyPartUpper Back Area 2.832e+02
## BodyPartUpper Leg NA
## BodyPartVertebrae NA
## BodyPartWhole Body NA
## BodyPartWrist NA
## IsDenied 7.681e+01
## t value
## (Intercept) 1.105
## TiempoDeProcesamiento 26.548
## ClaimantTypeMedical Only -56.279
## ClaimantTypeReport Only -2.077
## InjuryNatureAll Other Cumulative Injury, NOC 0.019
## InjuryNatureAll Other Occupational Disease Injury, NOC -0.454
## InjuryNatureAll Other Specific Injuries, Noc -0.007
## InjuryNatureAmputation 1.693
## InjuryNatureAsbestosis -0.106
## InjuryNatureAsphyxiation -0.058
## InjuryNatureBurn -0.057
## InjuryNatureCarpal Tunnel Syndrome 0.269
## InjuryNatureConcussion 0.490
## InjuryNatureContagious Disease -0.107
## InjuryNatureContusion 0.081
## InjuryNatureCrushing 0.211
## InjuryNatureDermatitis -0.103
## InjuryNatureDislocation 0.279
## InjuryNatureDust Disease, NOC -0.263
## InjuryNatureElectric Shock 0.593
## InjuryNatureForeign Body 0.063
## InjuryNatureFracture 0.469
## InjuryNatureFreezing 0.085
## InjuryNatureHearing Loss Or Impairment 0.628
## InjuryNatureHeat Prostration 0.513
## InjuryNatureHernia 0.728
## InjuryNatureInfection 0.004
## InjuryNatureInflammation 0.153
## InjuryNatureLaceration 0.127
## InjuryNatureLoss of Hearing 1.432
## InjuryNatureMental Disorder -1.050
## InjuryNatureMental Stress -0.263
## InjuryNatureMultiple Injuries Including Both Physical and Psychological 0.941
## InjuryNatureMultiple Physical Injuries Only 0.214
## InjuryNatureMyocardial Infarction -0.072
## InjuryNatureNo Physical Injury 0.122
## InjuryNatureNon-Standard Code 0.191
## InjuryNatureNot Available 0.153
## InjuryNaturePoisoning?Chemical (Other Than Metals) 0.113
## InjuryNaturePoisoning?General (NOT OD or Cumulative Injury) 0.230
## InjuryNaturePuncture 0.031
## InjuryNatureRadiation 2.912
## InjuryNatureRespiratory Disorders -0.020
## InjuryNatureRupture 0.843
## InjuryNatureSeverance 1.274
## InjuryNatureSilicosis -0.101
## InjuryNatureSprain 0.144
## InjuryNatureStrain 0.180
## InjuryNatureSyncope 0.644
## InjuryNatureVascular -0.374
## InjuryNatureVision Loss -0.273
## BodyPartRegionLower Extremities 0.407
## BodyPartRegionMultiple Body Parts 2.442
## BodyPartRegionNeck -0.993
## BodyPartRegionNon-Standard Code 0.906
## BodyPartRegionTrunk 2.301
## BodyPartRegionUpper Extremities 1.229
## BodyPartAnkle 0.963
## BodyPartArtificial Appliance 0.092
## BodyPartBody Systems and Multiple Body Systems -1.781
## BodyPartBrain 0.948
## BodyPartButtocks -1.208
## BodyPartChest -3.740
## BodyPartDisc-Trunk 1.174
## BodyPartEar(S) -0.838
## BodyPartElbow -0.411
## BodyPartEyes 0.497
## BodyPartFacial Bones 1.106
## BodyPartFinger(S) -1.193
## BodyPartFoot -0.828
## BodyPartGreat Toe -2.437
## BodyPartHand -0.422
## BodyPartHeart -1.185
## BodyPartHip 0.322
## BodyPartInsufficient Info to Properly Identify?Unclassified -1.750
## BodyPartInternal Organs -1.472
## BodyPartKnee 1.561
## BodyPartLarynx 0.424
## BodyPartLower Arm 0.215
## BodyPartLower Back Area -2.677
## BodyPartLower Leg 0.929
## BodyPartLumbar and/or Sacral Vertebrae (Vertebra NOC Trunk) -4.533
## BodyPartLungs -1.199
## BodyPartMouth 0.900
## BodyPartMultiple Body Parts (Including Body Systems and Body Parts) -2.266
## BodyPartMultiple Head Injury 0.854
## BodyPartMultiple Lower Extremities 1.850
## BodyPartMultiple Neck Injury 1.133
## BodyPartMultiple Trunk 0.518
## BodyPartMultiple Upper Extremities -0.991
## BodyPartNo Physical Injury -2.204
## BodyPartNon-Standard Code NA
## BodyPartNose 1.779
## BodyPartPelvis 0.513
## BodyPartSacrum And Coccyx 0.650
## BodyPartShoulder(S) 0.291
## BodyPartSkull 1.916
## BodyPartSoft Tissue-Head 1.888
## BodyPartSoft Tissue-Neck 1.263
## BodyPartSpinal Cord-Trunk -2.245
## BodyPartTeeth NA
## BodyPartThumb 0.068
## BodyPartToes -1.245
## BodyPartTrachea 0.498
## BodyPartUpper Arm -0.567
## BodyPartUpper Back Area -1.156
## BodyPartUpper Leg NA
## BodyPartVertebrae NA
## BodyPartWhole Body NA
## BodyPartWrist NA
## IsDenied -12.012
## Pr(>|t|)
## (Intercept) 0.269219
## TiempoDeProcesamiento < 2e-16
## ClaimantTypeMedical Only < 2e-16
## ClaimantTypeReport Only 0.037846
## InjuryNatureAll Other Cumulative Injury, NOC 0.985059
## InjuryNatureAll Other Occupational Disease Injury, NOC 0.649973
## InjuryNatureAll Other Specific Injuries, Noc 0.994507
## InjuryNatureAmputation 0.090464
## InjuryNatureAsbestosis 0.915526
## InjuryNatureAsphyxiation 0.954059
## InjuryNatureBurn 0.954426
## InjuryNatureCarpal Tunnel Syndrome 0.787586
## InjuryNatureConcussion 0.624470
## InjuryNatureContagious Disease 0.914518
## InjuryNatureContusion 0.935679
## InjuryNatureCrushing 0.832888
## InjuryNatureDermatitis 0.918361
## InjuryNatureDislocation 0.780216
## InjuryNatureDust Disease, NOC 0.792491
## InjuryNatureElectric Shock 0.553369
## InjuryNatureForeign Body 0.949965
## InjuryNatureFracture 0.638725
## InjuryNatureFreezing 0.931887
## InjuryNatureHearing Loss Or Impairment 0.529973
## InjuryNatureHeat Prostration 0.608103
## InjuryNatureHernia 0.466621
## InjuryNatureInfection 0.996443
## InjuryNatureInflammation 0.878718
## InjuryNatureLaceration 0.899072
## InjuryNatureLoss of Hearing 0.152049
## InjuryNatureMental Disorder 0.293733
## InjuryNatureMental Stress 0.792337
## InjuryNatureMultiple Injuries Including Both Physical and Psychological 0.346564
## InjuryNatureMultiple Physical Injuries Only 0.830530
## InjuryNatureMyocardial Infarction 0.942478
## InjuryNatureNo Physical Injury 0.903157
## InjuryNatureNon-Standard Code 0.848264
## InjuryNatureNot Available 0.878664
## InjuryNaturePoisoning?Chemical (Other Than Metals) 0.909799
## InjuryNaturePoisoning?General (NOT OD or Cumulative Injury) 0.818373
## InjuryNaturePuncture 0.975277
## InjuryNatureRadiation 0.003602
## InjuryNatureRespiratory Disorders 0.983715
## InjuryNatureRupture 0.399160
## InjuryNatureSeverance 0.202825
## InjuryNatureSilicosis 0.919756
## InjuryNatureSprain 0.885487
## InjuryNatureStrain 0.857314
## InjuryNatureSyncope 0.519771
## InjuryNatureVascular 0.708780
## InjuryNatureVision Loss 0.784958
## BodyPartRegionLower Extremities 0.684316
## BodyPartRegionMultiple Body Parts 0.014635
## BodyPartRegionNeck 0.320850
## BodyPartRegionNon-Standard Code 0.364981
## BodyPartRegionTrunk 0.021400
## BodyPartRegionUpper Extremities 0.219124
## BodyPartAnkle 0.335539
## BodyPartArtificial Appliance 0.926958
## BodyPartBody Systems and Multiple Body Systems 0.074989
## BodyPartBrain 0.343230
## BodyPartButtocks 0.227084
## BodyPartChest 0.000185
## BodyPartDisc-Trunk 0.240437
## BodyPartEar(S) 0.402169
## BodyPartElbow 0.680890
## BodyPartEyes 0.618883
## BodyPartFacial Bones 0.268772
## BodyPartFinger(S) 0.232713
## BodyPartFoot 0.407693
## BodyPartGreat Toe 0.014839
## BodyPartHand 0.672866
## BodyPartHeart 0.236172
## BodyPartHip 0.747217
## BodyPartInsufficient Info to Properly Identify?Unclassified 0.080166
## BodyPartInternal Organs 0.140997
## BodyPartKnee 0.118577
## BodyPartLarynx 0.671604
## BodyPartLower Arm 0.829389
## BodyPartLower Back Area 0.007443
## BodyPartLower Leg 0.353072
## BodyPartLumbar and/or Sacral Vertebrae (Vertebra NOC Trunk) 5.88e-06
## BodyPartLungs 0.230666
## BodyPartMouth 0.368114
## BodyPartMultiple Body Parts (Including Body Systems and Body Parts) 0.023475
## BodyPartMultiple Head Injury 0.393057
## BodyPartMultiple Lower Extremities 0.064398
## BodyPartMultiple Neck Injury 0.257246
## BodyPartMultiple Trunk 0.604534
## BodyPartMultiple Upper Extremities 0.321479
## BodyPartNo Physical Injury 0.027555
## BodyPartNon-Standard Code NA
## BodyPartNose 0.075197
## BodyPartPelvis 0.608097
## BodyPartSacrum And Coccyx 0.515434
## BodyPartShoulder(S) 0.771101
## BodyPartSkull 0.055350
## BodyPartSoft Tissue-Head 0.059086
## BodyPartSoft Tissue-Neck 0.206599
## BodyPartSpinal Cord-Trunk 0.024779
## BodyPartTeeth NA
## BodyPartThumb 0.945927
## BodyPartToes 0.213104
## BodyPartTrachea 0.618523
## BodyPartUpper Arm 0.570880
## BodyPartUpper Back Area 0.247775
## BodyPartUpper Leg NA
## BodyPartVertebrae NA
## BodyPartWhole Body NA
## BodyPartWrist NA
## IsDenied < 2e-16
##
## (Intercept)
## TiempoDeProcesamiento ***
## ClaimantTypeMedical Only ***
## ClaimantTypeReport Only *
## InjuryNatureAll Other Cumulative Injury, NOC
## InjuryNatureAll Other Occupational Disease Injury, NOC
## InjuryNatureAll Other Specific Injuries, Noc
## InjuryNatureAmputation .
## InjuryNatureAsbestosis
## InjuryNatureAsphyxiation
## InjuryNatureBurn
## InjuryNatureCarpal Tunnel Syndrome
## InjuryNatureConcussion
## InjuryNatureContagious Disease
## InjuryNatureContusion
## InjuryNatureCrushing
## InjuryNatureDermatitis
## InjuryNatureDislocation
## InjuryNatureDust Disease, NOC
## InjuryNatureElectric Shock
## InjuryNatureForeign Body
## InjuryNatureFracture
## InjuryNatureFreezing
## InjuryNatureHearing Loss Or Impairment
## InjuryNatureHeat Prostration
## InjuryNatureHernia
## InjuryNatureInfection
## InjuryNatureInflammation
## InjuryNatureLaceration
## InjuryNatureLoss of Hearing
## InjuryNatureMental Disorder
## InjuryNatureMental Stress
## InjuryNatureMultiple Injuries Including Both Physical and Psychological
## InjuryNatureMultiple Physical Injuries Only
## InjuryNatureMyocardial Infarction
## InjuryNatureNo Physical Injury
## InjuryNatureNon-Standard Code
## InjuryNatureNot Available
## InjuryNaturePoisoning?Chemical (Other Than Metals)
## InjuryNaturePoisoning?General (NOT OD or Cumulative Injury)
## InjuryNaturePuncture
## InjuryNatureRadiation **
## InjuryNatureRespiratory Disorders
## InjuryNatureRupture
## InjuryNatureSeverance
## InjuryNatureSilicosis
## InjuryNatureSprain
## InjuryNatureStrain
## InjuryNatureSyncope
## InjuryNatureVascular
## InjuryNatureVision Loss
## BodyPartRegionLower Extremities
## BodyPartRegionMultiple Body Parts *
## BodyPartRegionNeck
## BodyPartRegionNon-Standard Code
## BodyPartRegionTrunk *
## BodyPartRegionUpper Extremities
## BodyPartAnkle
## BodyPartArtificial Appliance
## BodyPartBody Systems and Multiple Body Systems .
## BodyPartBrain
## BodyPartButtocks
## BodyPartChest ***
## BodyPartDisc-Trunk
## BodyPartEar(S)
## BodyPartElbow
## BodyPartEyes
## BodyPartFacial Bones
## BodyPartFinger(S)
## BodyPartFoot
## BodyPartGreat Toe *
## BodyPartHand
## BodyPartHeart
## BodyPartHip
## BodyPartInsufficient Info to Properly Identify?Unclassified .
## BodyPartInternal Organs
## BodyPartKnee
## BodyPartLarynx
## BodyPartLower Arm
## BodyPartLower Back Area **
## BodyPartLower Leg
## BodyPartLumbar and/or Sacral Vertebrae (Vertebra NOC Trunk) ***
## BodyPartLungs
## BodyPartMouth
## BodyPartMultiple Body Parts (Including Body Systems and Body Parts) *
## BodyPartMultiple Head Injury
## BodyPartMultiple Lower Extremities .
## BodyPartMultiple Neck Injury
## BodyPartMultiple Trunk
## BodyPartMultiple Upper Extremities
## BodyPartNo Physical Injury *
## BodyPartNon-Standard Code
## BodyPartNose .
## BodyPartPelvis
## BodyPartSacrum And Coccyx
## BodyPartShoulder(S)
## BodyPartSkull .
## BodyPartSoft Tissue-Head .
## BodyPartSoft Tissue-Neck
## BodyPartSpinal Cord-Trunk *
## BodyPartTeeth
## BodyPartThumb
## BodyPartToes
## BodyPartTrachea
## BodyPartUpper Arm
## BodyPartUpper Back Area
## BodyPartUpper Leg
## BodyPartVertebrae
## BodyPartWhole Body
## BodyPartWrist
## IsDenied ***
## ---
## Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
##
## Residual standard error: 2072 on 10916 degrees of freedom
## Multiple R-squared: 0.38, Adjusted R-squared: 0.3741
## F-statistic: 64.34 on 104 and 10916 DF, p-value: < 2.2e-16Se observa que al ajustar el modelo de regresión considerando solo las variables que resultaron significativas en el primer caso, el r cuadrado disminuye ligeramente.
Construcción de un modelo predictivo
# Construir un modelo predictivo a partir del primer modelo de regresión obtenido. Se utilizará el renglón 10,000 de la base de datos
bd3[9000, ] # se observa el renglón 6000 de la base de datos## TiempoDeProcesamiento TotalIncurredCost TotalPaid TotalReserves
## 161106 112 682.1 682.1 0
## TotalRecovery IndemnityPaid AverageWeeklyWage OtherPaid
## 161106 0 0 1077 682.1
## ClaimantAge_at_DOI ClaimStatus Gender ClaimantType InjuryNature
## 161106 44 C Female Medical Only Sprain
## BodyPartRegion BodyPart IsDenied ClaimID GroupInjury GroupBodyPart
## 161106 Lower Extremities Ankle 0 29235056 Others Others
## GroupBodyPR ClaimantOpenedDate ClaimantClosedDate
## 161106 Lower Extremities 2012-03-28 2012-07-18# Se realiza la predicción
prediccioncosto <- data.frame(TiempoDeProcesamiento = 112, InjuryNature = "Sprain", BodyPartRegion = "Lower Extremities", BodyPart ="Ankle", ClaimantType = "Medical Only", IsDenied = 0)
predict(regresiontic, prediccioncosto)## 1
## 660.8079La diferencia entre el valor real y el valor estimado es de 22.1
---
title: "Actividad 4.6: Gastos Médicos "
author: "Andrea Sánchez"
date: "2023-10-08"
output: 
  html_document:
    toc: TRUE
    toc_float: TRUE
    code_download: TRUE
    theme: "readable"
    highlight: "pygments"
---

![](/Users/andreasanchezgomez/Documents/R/gastosmedicos.gif)

# 0. Contexto 
Una empresa ubicada en Carolina del Norte, Estados Unidos, se dedica a gestionar reclamaciones de compensaciones laborales. Como parte de sus operaciones, ha recolectado una cantidad significativa de datos e información. Sin embargo, para poder aprovecharla es necesario realizar un análisis intensivo de la base de datos de las reclamaciones que ha gestionado en los últimos años. Los resultados, permitirán, entre otras cosas, identificar qué factores influyen mayormente en el costo y tiempo de procesamiento de las reclamaciones, con el objetivo principal de mejorar el servicio a los clientes, y reducir costos para la compañía y sus clientes. 

El proceso de limpieza, y análisis se muestra a continuación, en donde se utilizaron árboles de decisión, clusterización, modelos de regresión lineal, entre otros. 

```{r}
# Código para conocer la ubicación del archivo 
#file.choose()
```

```{r}
# Se cargan las librerías que se van a utilizar 
library(tidyverse)
library(dplyr)
library(cluster)
library(factoextra)
library(rpart)
library(rpart.plot)
```


# 1. Importar la base de datos
## Base de datos Transacciones (transactions)
```{r}
transactions <- read.csv("/Users/andreasanchezgomez/Documents/R/TransactionsSummary2018.csv")
```

## Base de datos Reclamaciones (claims)
```{r}
claims <- read.csv("/Users/andreasanchezgomez/Documents/R/ClaimsData2018.csv")
```

## Conjuntar ambas bases de datos en una sola (bd)
```{r}
# La operación se hace de acuerdo a la columna "Claim ID"
bd <- merge(transactions, claims, by = "ClaimID", all = TRUE)
bd <- data.frame(bd)
```

# 2. Entender la base de datos
```{r}
# Se utiliza la función summary para revisar NA's, las variables que se incluyen en la base de datos, así como su tipo.
summary(bd)
```

Observaciones:

1. Se observan valores NAs en múltiples variables.

2. Las columnas con las variables X están vacías (se deben eliminar).

3. La variables de Fechas se encuentran en formato carácter. 

4. ClaimantAge_at_DOI (Edad) y AverageWeeklyWage (Salario promedio) se encuentran en formato carácter, pero son númericas (se debe hacer la respectiva conversión).

5. No existe la columna de Costo Total Incurrido (Total_Incurred_Cost).

6. No existe la columna de Tiempo de Procesamiento 

# 3. Limpieza y tratamiento de la base de datos
## Eliminación de las columnas X's
```{r}
bd <- bd[, !(names(bd) %in% c("X",  "X.1", "X.2", "X.3", "X.4", "X.5", "X.6", "X.7", "X.8", "X.9", 
"X.10", "X.11", "X.12", "X.13", "X.14", "X.15", "X.16", "X.17", "X.18", "X.19", "X.20", "X.21", "X.22", "BillReviewALE", "Hospital", "PhysicianOutpatient", "Rx"))]
summary(bd) # También se elimina BillReviewALE, Hospital, PhysicianOutpatient y RX porque tienen muchos valores NA
```

## Conversión de variables al formato correcto 
### Variables a tipo Fecha 
```{r}
bd$ReturnToWorkDate <- as.Date(bd$ReturnToWorkDate, format = "%d/%m/%y")
bd$ClaimantOpenedDate <- as.Date(bd$ClaimantOpenedDate, format = "%d/%m/%y")
bd$ClaimantClosedDate <- as.Date(bd$ClaimantClosedDate, format = "%d/%m/%y")
bd$EmployerNotificationDate <- as.Date(bd$EmployerNotificationDate, format = "%d/%m/%y")
bd$ReceivedDate <- as.Date(bd$ReceivedDate, format = "%d/%m/%y")
bd$IncidentDate <- as.Date(bd$IncidentDate, format = "%d/%m/%y")
```

### Variables a tipo Número
```{r}
bd$AverageWeeklyWage <- as.numeric(bd$AverageWeeklyWage)
bd$ClaimantAge_at_DOI <- as.numeric(bd$ClaimantAge_at_DOI)
```

## Columna Costo Total Incurrido (TotalIncurredCost)
```{r}
bd$TotalIncurredCost <- bd$TotalReserves + bd$TotalPaid - bd$TotalRecovery
```

## Columna Tiempo de Procesamiento (TiempoDeProcesamiento)
```{r}
bd$TiempoDeProcesamiento <- as.integer(bd$ClaimantClosedDate - bd$ClaimantOpenedDate)
```

## Borrar datos atípicos 
Se eliminarán los datos aípicos del Tiempo de Procesamiento y Costo Total Incurrido. 

### Tiempo de Procesamiento
```{r}
### TiempoDeProcesamiento
# Gráfica de boxplot para identificar si existen datos atípicos en la variable TiempoDeProcesamiento
boxplot(bd$TiempoDeProcesamiento, main="Tiempo de Procesamiento", ylab="Valores")
```

Dado que se han identificado outliers, se eliminarán los valores menores a 0 en el Tiempo de Procesamiento. Cabe mencionar que no se aplicará la fórmula del cálculo del Límite Inferior y Superior, ya que para poder ejecutarla, se necesita una base de datos sin valores NA, y el borrarlos desde un principio reducirá las filas de la base de datos de manera muy abrupta. Por eso, sólo se realizará de acuerdo a la boxplot. 

```{r}
# Eliminación de las filas cuyo TiempoDeProcesamiento sea menor a 0
bd <- bd[bd$TiempoDeProcesamiento > 0, ]
```

```{r}
# Revisión de la operación anterior e identificación de nuevos outliers. 
# Gráfica de boxplot 
boxplot(bd$TiempoDeProcesamiento, main="Tiempo de Procesamiento", ylab="Valores")
```

Se observa que los datos atípicos en el Tiempo de Procesamiento comienzan aproximadamente a partir de 8000. Entonces se elimarán las filas cuyo Tiempo de Procesamiento sea mayor a este dato. 

```{r}
# Eliminación de las filas cuyo TiempoDeProcesamiento sea mayor a 8000
bd <- bd[bd$TiempoDeProcesamiento < 8000, ]
```

```{r}
# Revisión de la operación anterior
# Gráfica de boxplot 
boxplot(bd$TiempoDeProcesamiento, main="Tiempo de Procesamiento", ylab="Valores")
```

Ya no se observan datos atípicos significativos, sin embargo, se volverá a hacer una revisión en la parte de clusterización. 

### Costo Total Incurrido
```{r}
### TotalIncurredCost
# Gráfica de boxplot para identificar si existen datos atípicos en la variable TotalIncurredCost
boxplot(bd$TotalIncurredCost, main="Costo Total Incurrido", ylab="Valores")
```

Se observa que los datos atípicos en el Costo Total Incurrido comienzan aproximadamente a partir de 60,000. Entonces se eliminarán las filas cuyo Costo Total Incurrido sea mayor a este dato, y menor a 0. 
```{r}
# Filtrar las filas cuyo Costo Total Incurrido sea menor a 60,000 y mayor a 0
bd <- bd[bd$TotalIncurredCost < 60000 & bd$TotalIncurredCost > 0, ]
```

```{r}
# Revisión de la operación anterior
# Gráfica de boxplot 
boxplot(bd$TotalIncurredCost, main="Costo total incurrido", ylab="Valores")
```

Como se observa, se ha eliminado la mayor parte de los valores atíícos del Tiempo de Procesamiento y Costo Total Incurrido de la base de datos. 

## Personalización
```{r}
# Personas cuyo salario sea mayor o igual a 500
bd <- subset(bd, AverageWeeklyWage >= 500)
```

## Comprobación
```{r}
# Se comprueba el efecto de las líneas de código anteriores 
summary(bd)
```

# 4. Modelación
## Clusterización
### Subtabla Tiempo de Procesamiento y Costo Total Incurrido 
```{r}
# A partir de la base de datos inicial, se crea una nueva que contiene sólo las columnas a utilizar, en este caso TiempoDeProcesamiento, TotalIncurredCost y el ClaimID para identificar el registro. 
bd1 <- subset(bd, select = c("TiempoDeProcesamiento", "TotalIncurredCost", "ClaimID"))
```

```{r}
# Se visualiza si existen valores NA en la nueva base de datos 
sapply(bd1, function(x) sum (is.na(x)))
```

Dado que no existen, se continúa con el proceso. 

```{r}
# Se nombran a los renglones como el ClaimID, y después se elimina esta variable, ya que sólo funge como identificador. 
rownames(bd1) <- bd1$ClaimID
bd1 <- subset(bd1, select = -c(ClaimID))
```

```{r}
# Se observa la base de datos con los cambios, y se comprueba que no hay NA
summary(bd1)
```

En la sección de Limpieza de Datos se realizó un análisis para identificar outliers en las variables, pero éste fue meramente visual a partir de las boxplot. Por lo tanto, en este paso se eliminarán de acuerdo a los límites superiores, que establecen el rango "normal" para estos valores. 

### TiempoDeProcesamiento
```{r}
# Cálculo del IQR 
IQR_TP <- IQR(bd1$TiempoDeProcesamiento)
IQR_TP
```

```{r}
# Se aplica un summary para ver los máximos, mínimos, y cuartiles de cada una de las variables de la base de datos. 
summary(bd1)
```

Sólo se calculará el Límite Superior, porque para tiempo y costos, el valor cero es la ausencia de la característica, y por lo tanto, el Límite Inferior. 
```{r}
# Cálculo del Límite Superior para el TiempoDeProcesamiento
LS_TP <- 1078 + 1.5 * IQR_TP
LS_TP
```

Con esto, se elinarán los valores mayores a 2513.5. 

```{r}
# Eliminación de las filas cuyo TiempoDeProcesamiento sea menor o igual a 2726
bd1 <- bd1[bd1$TiempoDeProcesamiento <= 2513.5, ]
```

```{r}
# Se gráfica nuevamente la variable TiempoDeProcesamiento para asegurar que ya no se cuenta con datos atípicos, o fuera del rango establecido.
boxplot(bd1$TiempoDeProcesamiento)
```


### TotalIncurredCost
Debido a que se trata de costos, solo se calculará el Límite Superior, pues los valores menores a 0 sí representan la ausencia de la característica. 

```{r}
# Cálculo del IQR 
IQR_TIC <- IQR(bd1$TotalIncurredCost)
IQR_TIC
```

```{r}
# Se aplica un summary para ver los máximos, mínimos, y cuartiles de cada una de las variables de la base de datos.
summary(bd1)
```


```{r}
# Cálculo del Límite Superior para el TotalIncurredCost
LS_TIC <- 6702.31 + 1.5 * IQR_TIC
LS_TIC
```

Debido a que se trata de costos, se eliminarán los valores negativos y los que son mayores a 16368.47 
```{r}
bd1 <- bd1[bd1$TotalIncurredCost > 0 & bd1$TotalIncurredCost <= 16368.47, ]
```

```{r}
# Se gráfica nuevamente la variable TiempoDeProcesamiento para asegurar que ya no se cuenta con datos atípicos, o fuera del rango establecido.
boxplot(bd1$TotalIncurredCost)
```

### Asignación de Grupos 
```{r}
# Se normalizan las variables
bd1 <- as.data.frame(scale(bd1))
```

```{r}
# Se aplica un summary para revisar que funcionaron las indicaciones anteriores. 
summary(bd1)
```

```{r}
# Se determina el número de grupos 
grupos <- 7
```

```{r}
# Se asignan los grupos 
segmentos <- kmeans(bd1,grupos)
```

```{r} 
# Se revisa la asignación de grupos
asignacion <- cbind(bd1, cluster = segmentos$cluster)
```

### Gráfica
```{r} 
# Graficar resultados
fviz_cluster(segmentos, data = bd1)
```

### Optimización de la cantidad de grupos 
```{r}
#Se optimiza la cantidad de grupos
#set.seed(123)
#optimizacion <- clusGap(bd1, FUN=kmeans, nstart=1, K.max=10)
#plot(optimizacion, xlab = "Número de clusters K")

# El punto más alto de la gráfica indica la cantidad de puntos óptimos 
```

Intento de análisis de clusters
Después del proceso de clusterización, se revisa qué grupo(cluster) es el mejor y cuál es el peor, para fortalecer los hallazgos del análisis.
```{r}
aggregate(bd1, by=list(segmentos$cluster), FUN=mean)
bd1 <- data.frame(bd1, segmentos$cluster)
```

De acuerdo a la gráfica, y a la tabla anterior se observa que el peor cluster (grupo de quejas con mayor tiempo y costo) es el número 1; mientras que "el mejor" es el 3, ya que tiene los valores más pequeños. A contiuación se añadirán la columna del cluster, a la base madre, para poder analizar las reclamaciones.

```{r}
# Se agrega nuevamente la columna de ClaimID a la base de datos de los clusters
bd1$ClaimID <- rownames(bd1)
```

```{r}
summary(bd1)
```

```{r}
colnames(bd1)[colnames(bd1) == "segmentos.cluster"] <- "Cluster"
```

```{r}
# Se intenta generar una nueva base de datos con la columna del cluster al que pertenece cada registro, pero no funcionó :(
# bd4 <- merge(bd, bd1$Cluster, by = "ClaimID")
# bd4 <- data.frame(bd4)
```

## Árbol de Decisión
```{r}
# Se crea una nueva base de datos (copia de la base de datos inicial)
bd2 <- bd
```

### Nueva base de datos
Previo a la creación del árbol, se le dio tratamiento a algunas variables de tipo categórico para realizar el árbol de decisiones. 

#### InjuryNature
```{r}
# InjuryNature
resumen_conteo <- bd2%>%
count(InjuryNature) %>%
arrange(desc(n))  # Ordenar por la columna 'n' en orden descendente
print(resumen_conteo) # Respuestas a esta columna
```

Dado que se trata de una gran cantidad de respuestas diferentes, se añadirá una nueva columna a la base de datos que remplace a la columna en donde existen múltiples respuestas

```{r}
# Esta línea de código crea una nueva columna en donde si el Injury Nature es Strain, se pondrá esos registros en la categoría Strain, si no, se agregó otra condición que aplique para Contusión (ya que son los regsitros que más filas tienen), y por último, si los registros no entran en las condiciones asignará "Others".
bd2$GroupInjury <- ifelse(bd2$InjuryNature == "Strain", "Strain",
                            ifelse(bd2$InjuryNature == "Contusion", "Contusion", "Others"))
```

#### BodyPart
```{r}
# BodyPart
resumen_conteo <- bd2%>%
count(BodyPart) %>%
arrange(desc(n))  # Ordenar por la columna 'n' en orden descendente
print(resumen_conteo) # Respuestas a esta columna
```

```{r}
# Proceso similar al de InjuryNature (que crea una nueva columna a partir de la respuesta de BodyPart)
bd2$GroupBodyPart <- ifelse(bd2$BodyPart == "Knee", "Knee",
                            ifelse(bd2$BodyPart == "Multiple Body Parts (Including Body Systems and Body Parts)", "Multiple Body Parts","Others"))
```

#### BodyPartRegion
```{r}
# BodyPartRegion
resumen_conteo <- bd2%>%
count(BodyPartRegion) %>%
arrange(desc(n))  # Ordenar por la columna 'n' en orden descendente
print(resumen_conteo) # Respuestas a esta columna
```

```{r}
bd2$GroupBodyPR <- ifelse(bd2$BodyPartRegion == "Upper Extremities", "Upper Extremities",
                            ifelse(bd2$BodyPartRegion == "Lower Extremities", "Lower Extremities","Others"))
```


#### Comprobación
A continuación se revisa que las nuevas columnas se hayan creado correctamente.
```{r}
# Se comprueba la operación anterior 
resumen_conteo <- bd2%>%
count(GroupInjury) %>%
arrange(desc(n))  # Ordenar por la columna 'n' en orden descendente
print(resumen_conteo)
```

```{r}
# Se comprueba la operación anterior 
resumen_conteo <- bd2%>%
count(GroupBodyPart) %>%
arrange(desc(n))  # Ordenar por la columna 'n' en orden descendente
print(resumen_conteo)
```

```{r}
# Se comprueba la operación anterior 
resumen_conteo <- bd2%>%
count(GroupBodyPR) %>%
arrange(desc(n))  # Ordenar por la columna 'n' en orden descendente
print(resumen_conteo)
```

### Tiempo de Procesamiento
```{r}
# Se crea el árbol para el Tiempo de Procesamiento (TiempoDeProcesamiento)
arbol <- rpart(formula = TiempoDeProcesamiento ~ TotalIncurredCost + AverageWeeklyWage + ClaimantAge_at_DOI + Gender + ClaimantType + GroupBodyPR + GroupInjury + GroupBodyPart, data = bd2)
arbol
rpart.plot(arbol)
prp(arbol)
```

### Costo Total Incurrido (TotalIncurredCost)
```{r}
# Se crea el árbol de decisión para el Costo Total Incurrido (TotalIncurredCost)
arbol <- rpart(formula = TotalIncurredCost ~ TiempoDeProcesamiento + AverageWeeklyWage + ClaimantAge_at_DOI + TiempoDeProcesamiento + Gender + ClaimantType + GroupInjury + GroupBodyPart + GroupBodyPR, data = bd2)
arbol
rpart.plot(arbol)
prp(arbol)
```

## Modelo de Regresión
### Nueva base de datos 
```{r}
# Se crea una nueva base de datos con las variables selecionadas para la modelación
bd3 <- subset(bd2, select = c("TiempoDeProcesamiento", "TotalIncurredCost", "TotalPaid", "TotalReserves", "TotalRecovery", "IndemnityPaid", "AverageWeeklyWage", "OtherPaid", "ClaimantAge_at_DOI", "ClaimStatus", "Gender", "ClaimantType", "InjuryNature", "BodyPartRegion", "BodyPart", "IsDenied", "ClaimID", "GroupInjury", "GroupBodyPart", "GroupBodyPR", "ClaimantOpenedDate", "ClaimantClosedDate" ))
```

```{r}
# Se aplica la función summary para revisar la base de datos 
summary(bd3)
```

```{r}
#Se identifican valores NA's
sapply(bd3, function(x) sum (is.na(x)))
```


```{r}
# Se eliminan las filas con valores NA, ya que se considera que no afecta significativamente a la base de datos, pues solo están presentes en una columna, que es la de ClaimantAge_at_DOI
bd3 <- na.omit(bd3)
```

```{r}
summary(bd3)
```


```{r}
# Se aplica un count con el objetivo de conocer las respuestas a cada una de las variables categoricas.
count(bd3, ClaimStatus, sort=TRUE)
count(bd3, Gender, sort=TRUE)
count(bd3, ClaimantType, sort=TRUE)
count(bd3, InjuryNature, sort=TRUE)
count(bd3, BodyPartRegion, sort=TRUE)
count(bd3, BodyPart, sort=TRUE)
count(bd3, GroupInjury, sort=TRUE)
count(bd3, GroupBodyPart, sort=TRUE)
count(bd3, GroupBodyPR, sort=TRUE)
```

Se observa que la variable ClaimStatus sólo tiene una categoría, y por lo tanto, no se incluirá en el análisis de regresión. 

```{r}
# Eliminación de outliers
# Cálculo del IQR 
IQR_TP <- IQR(bd3$TiempoDeProcesamiento)
IQR_TP
```

```{r}
# Se aplica un summary para ver los máximos, mínimos, y cuartiles de cada una de las variables de la base de datos. 
summary(bd3$TiempoDeProcesamiento)
```

Sólo se calculará el Límite Superior, porque para tiempo y costos, el valor cero es la ausencia de la característica, y por lo tanto, el Límite Inferior. 
```{r}
# Cálculo del Límite Superior para el TiempoDeProcesamiento
LS_TP <- 637 + 1.5 * IQR_TP
LS_TP
```

Con esto, se eliminarán los valores mayores a 1427.5. 
```{r}
bd3 <- bd3[bd3$TiempoDeProcesamiento > 0 & bd3$TiempoDeProcesamiento <= 1427.5, ]
```

```{r}
# Eliminación de outliers
# Cálculo del IQR TotalIncurredCost
IQR_TP <- IQR(bd3$TotalIncurredCost)
IQR_TP
```

```{r}
summary(bd3$TotalIncurredCost)
```


```{r}
# Cálculo del Límite Superior para el TiempoDeProcesamiento
LS_TP <- 5163.5 + 1.5 * IQR_TP
LS_TP
```

Con esto, se eliminarán los valores mayores a 12543.1 
```{r}
bd3 <- bd3[bd3$TotalIncurredCost > 0 & bd3$TotalIncurredCost <= 12543.1, ]
```

### TiempoDeProcesamiento 
#### Creación del modelo
```{r}
# Se crea el modelo de regresión
regresiontp <- lm(TiempoDeProcesamiento ~ TotalIncurredCost + AverageWeeklyWage + ClaimantAge_at_DOI + Gender + ClaimantType + InjuryNature + BodyPartRegion + BodyPart + IsDenied + GroupInjury + GroupBodyPart + GroupBodyPR, data = bd3)
summary(regresiontp)
```

#### Ajuste del modelo
```{r}
# Se ajusta el modelo de regresion
regresiontp <- lm(TiempoDeProcesamiento ~ TotalIncurredCost + Gender + ClaimantType + InjuryNature + BodyPartRegion + BodyPart + ClaimantAge_at_DOI, data = bd3)
summary(regresiontp)
```


Se observa que al ajustar el modelo de regresión considerando solo las variables que resultaron significativas en el primer caso, el r cuadrado disminuye ligeramente. 

#### Construcción de un modelo predictivo
```{r}
# Construir un modelo predictivo a partir del primer modelo de regresión obtenido. Se utilizará el renglón 10,000 de la base de datos 
bd3[8000, ] # se observa el renglón 10,000 de la base de datos
```

```{r}
# Se realiza la predicción
prediccióntiempo <- data.frame(TotalIncurredCost = 3126.87, Gender ="Female", InjuryNature = "Strain", BodyPartRegion = "Trunk", BodyPart ="Lower Back Area", ClaimantType = "Medical Only", ClaimantAge_at_DOI = 44)
predict(regresiontp, prediccióntiempo)
```

La diferencia respecto a los días estimados y los días reales es de 10 días.

### TotalIncurredCost

#### Creación del modelo de regresión
```{r}
# Se crea el modelo de regresión 
regresiontic <- lm(TotalIncurredCost ~ TiempoDeProcesamiento + AverageWeeklyWage + ClaimantAge_at_DOI + Gender + ClaimantType + InjuryNature + BodyPartRegion + BodyPart + IsDenied + GroupInjury + GroupBodyPart + GroupBodyPR, data = bd3)
summary(regresiontic)
```
#### Ajustes al modelo de regresión
```{r}
# Se ajusta el modelo de regresión 
regresiontic <- lm(TotalIncurredCost ~ TiempoDeProcesamiento + ClaimantType + InjuryNature + BodyPartRegion + BodyPart + IsDenied, data = bd3)
summary(regresiontic)
```

Se observa que al ajustar el modelo de regresión considerando solo las variables que resultaron significativas en el primer caso, el r cuadrado disminuye ligeramente.

#### Construcción de un modelo predictivo
```{r}
# Construir un modelo predictivo a partir del primer modelo de regresión obtenido. Se utilizará el renglón 10,000 de la base de datos 
bd3[9000, ] # se observa el renglón 6000 de la base de datos
```

```{r}
# Se realiza la predicción
prediccioncosto <- data.frame(TiempoDeProcesamiento = 112, InjuryNature = "Sprain", BodyPartRegion =  "Lower Extremities", BodyPart ="Ankle", ClaimantType = "Medical Only", IsDenied = 0)
predict(regresiontic, prediccioncosto)
```

La diferencia entre el valor real y el valor estimado es de 22.1

