The project comes from a North Carolina, US company that manages workers’ compensation claims for other clients (name & location protected for confidentiality). This company wants you to advise them on how data analytics can be used to identify major drivers of costs of claims and the time to process claims. The company is interested in using data analytics to become efficient and responsive to claimants. The gist of workers’ compensation is as follows: When a worker of a participating company is injured in performance of her/his job, she/he can file a claim for the medical expenses and loss of wages related to the injury. When a claim is filed for the first time, a unique claim identifier is created and the details of the claims are recorded. The claim details are updated as payments are made to settle the claim. Payments can be made for various activities related to a claim, such as doctor visit, pharmacy, etc.

#Llamar Librerías
library(dplyr)
## 
## Attaching package: 'dplyr'
## The following objects are masked from 'package:stats':
## 
##     filter, lag
## The following objects are masked from 'package:base':
## 
##     intersect, setdiff, setequal, union
library(ggplot2)
library(factoextra)
## Welcome! Want to learn more? See two factoextra-related books at https://goo.gl/ve3WBa
library(rpart)
library(rpart.plot)
library(lubridate)
## 
## Attaching package: 'lubridate'
## The following objects are masked from 'package:base':
## 
##     date, intersect, setdiff, union
library(cluster)

Limpiar Base de Datos

bd1 <- read.csv("/Users/araquezada/Documents/Tec/7mo Semestre/Analítica para Negocios/Modulo 4/Actividad Análisis /ClaimsData2018 (1).csv")
bd2 <- read.csv("/Users/araquezada/Documents/Tec/7mo Semestre/Analítica para Negocios/Modulo 4/Actividad Análisis /TransactionsSummary2018.csv")

Juntar Bases de Datos y Filtrar

bd <- merge(bd1, bd2, by="ClaimID" , all=TRUE)

#Eliminar columas X
bdlimpia <- bd%>% select (- (X: X.22)) 

bdcabeza <- filter(bdlimpia, BodyPartRegion %in% c("Head"))
count(bdcabeza, BodyPartRegion, sort=TRUE)
##   BodyPartRegion     n
## 1           Head 12832
summary(bdcabeza)
##     ClaimID           TotalPaid         TotalReserves     TotalRecovery     
##  Min.   :  777635   Min.   :      0.0   Min.   :      0   Min.   :    0.00  
##  1st Qu.:  808894   1st Qu.:     36.2   1st Qu.:      0   1st Qu.:    0.00  
##  Median :  842276   Median :    157.6   Median :      0   Median :    0.00  
##  Mean   :10578303   Mean   :   3238.6   Mean   :   1230   Mean   :   59.17  
##  3rd Qu.:22721561   3rd Qu.:    501.0   3rd Qu.:      0   3rd Qu.:    0.00  
##  Max.   :62203645   Max.   :1353862.0   Max.   :1303215   Max.   :90357.52  
##                                                                             
##  IndemnityPaid      OtherPaid         ClaimStatus        IncidentDate      
##  Min.   :     0   Min.   :      0.0   Length:12832       Length:12832      
##  1st Qu.:     0   1st Qu.:     36.2   Class :character   Class :character  
##  Median :     0   Median :    156.0   Mode  :character   Mode  :character  
##  Mean   :  1415   Mean   :   1823.8                                        
##  3rd Qu.:     0   3rd Qu.:    484.0                                        
##  Max.   :450680   Max.   :1156503.6                                        
##                                                                            
##  IncidentDescription ReturnToWorkDate   AverageWeeklyWage  ClaimantOpenedDate
##  Length:12832        Length:12832       Length:12832       Length:12832      
##  Class :character    Class :character   Class :character   Class :character  
##  Mode  :character    Mode  :character   Mode  :character   Mode  :character  
##                                                                              
##                                                                              
##                                                                              
##                                                                              
##  ClaimantClosedDate EmployerNotificationDate ReceivedDate      
##  Length:12832       Length:12832             Length:12832      
##  Class :character   Class :character         Class :character  
##  Mode  :character   Mode  :character         Mode  :character  
##                                                                
##                                                                
##                                                                
##                                                                
##     IsDenied      ClaimantAge_at_DOI    Gender          ClaimantType      
##  Min.   :0.0000   Length:12832       Length:12832       Length:12832      
##  1st Qu.:0.0000   Class :character   Class :character   Class :character  
##  Median :0.0000   Mode  :character   Mode  :character   Mode  :character  
##  Mean   :0.0272                                                           
##  3rd Qu.:0.0000                                                           
##  Max.   :1.0000                                                           
##                                                                           
##  InjuryNature       BodyPartRegion       BodyPart         BillReviewALE     
##  Length:12832       Length:12832       Length:12832       Min.   : -456.00  
##  Class :character   Class :character   Class :character   1st Qu.:   16.00  
##  Mode  :character   Mode  :character   Mode  :character   Median :   24.00  
##                                                           Mean   :  177.61  
##                                                           3rd Qu.:   68.47  
##                                                           Max.   :16208.91  
##                                                           NA's   :10458     
##     Hospital        PhysicianOutpatient       Rx           
##  Min.   :-12570.4   Min.   :  -549.5    Min.   :     0.00  
##  1st Qu.:   205.3   1st Qu.:   109.0    1st Qu.:    22.50  
##  Median :   569.6   Median :   215.7    Median :    58.95  
##  Mean   :  4007.1   Mean   :  1595.5    Mean   :  1605.50  
##  3rd Qu.:  2124.9   3rd Qu.:   681.9    3rd Qu.:   185.10  
##  Max.   :194966.4   Max.   :310220.3    Max.   :210564.39  
##  NA's   :10878      NA's   :8003        NA's   :11076
glimpse(bdcabeza)
## Rows: 12,832
## Columns: 26
## $ ClaimID                  <int> 777635, 777647, 777649, 777650, 777677, 77768…
## $ TotalPaid                <dbl> 66.68, 60.01, 439.71, 45.99, 682.68, 58.93, 3…
## $ TotalReserves            <dbl> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, …
## $ TotalRecovery            <dbl> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, …
## $ IndemnityPaid            <dbl> 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.0…
## $ OtherPaid                <dbl> 66.68, 60.01, 439.71, 45.99, 682.68, 58.93, 3…
## $ ClaimStatus              <chr> "C", "C", "C", "C", "C", "C", "C", "C", "C", …
## $ IncidentDate             <chr> "01/07/99", "02/07/99", "02/07/99", "02/07/99…
## $ IncidentDescription      <chr> "EE. Alleges cleaning restroom in ninth floor…
## $ ReturnToWorkDate         <chr> "#VALUE!", "#VALUE!", "#VALUE!", "#VALUE!", "…
## $ AverageWeeklyWage        <chr> "NULL", "NULL", "NULL", "NULL", "NULL", "NULL…
## $ ClaimantOpenedDate       <chr> "16/07/99", "16/07/99", "19/07/99", "14/07/99…
## $ ClaimantClosedDate       <chr> "31/03/05", "31/03/05", "31/03/05", "31/03/05…
## $ EmployerNotificationDate <chr> "01/07/99", "02/07/99", "02/07/99", "02/07/99…
## $ ReceivedDate             <chr> "15/07/99", "15/07/99", "19/07/99", "14/07/99…
## $ IsDenied                 <int> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, …
## $ ClaimantAge_at_DOI       <chr> "43", "NULL", "NULL", "NULL", "NULL", "NULL",…
## $ Gender                   <chr> "Female", "Male", "Male", "Female", "Female",…
## $ ClaimantType             <chr> "Medical Only", "Medical Only", "Medical Only…
## $ InjuryNature             <chr> "Poisoning?Chemical (Other Than Metals)", "Co…
## $ BodyPartRegion           <chr> "Head", "Head", "Head", "Head", "Head", "Head…
## $ BodyPart                 <chr> "Eyes", "Eyes", "Eyes", "Eyes", "Eyes", "Mult…
## $ BillReviewALE            <dbl> NA, NA, NA, 264, NA, NA, NA, NA, NA, NA, NA, …
## $ Hospital                 <dbl> NA, NA, NA, 730.14, NA, NA, 214.79, 189.05, N…
## $ PhysicianOutpatient      <dbl> NA, NA, NA, 3493.30, 0.00, 327.64, 361.98, 28…
## $ Rx                       <dbl> NA, NA, 15.16, 417.90, NA, NA, 19.99, NA, NA,…
Observaciones
  1. Total Paid, Indemity Paid, Other Paid, BillReviewALE, PhysicianOutPatient, Hospital, ClaimantAge_at_DOI tienen números negativos.
  2. Hay muchos NA’s.
  3. Las variables de fecha están en carácter

Cambiar a Fechas

bdcabeza$ClaimantOpenedDate <- as.Date(bdcabeza$ClaimantOpenedDate, format ="%d/%m/%y")
bdcabeza$ClaimantClosedDate <- as.Date(bdcabeza$ClaimantClosedDate, format ="%d/%m/%y")
bdcabeza$IncidentDate <- as.Date(bdcabeza$IncidentDate, format ="%d/%m/%y")
bdcabeza$EmployerNotificationDate <- as.Date(bdcabeza$EmployerNotificationDate, format ="%d/%m/%y")
bdcabeza$ReceivedDate <- as.Date(bdcabeza$ReceivedDate, format ="%d/%m/%y")
summary(bdcabeza)
##     ClaimID           TotalPaid         TotalReserves     TotalRecovery     
##  Min.   :  777635   Min.   :      0.0   Min.   :      0   Min.   :    0.00  
##  1st Qu.:  808894   1st Qu.:     36.2   1st Qu.:      0   1st Qu.:    0.00  
##  Median :  842276   Median :    157.6   Median :      0   Median :    0.00  
##  Mean   :10578303   Mean   :   3238.6   Mean   :   1230   Mean   :   59.17  
##  3rd Qu.:22721561   3rd Qu.:    501.0   3rd Qu.:      0   3rd Qu.:    0.00  
##  Max.   :62203645   Max.   :1353862.0   Max.   :1303215   Max.   :90357.52  
##                                                                             
##  IndemnityPaid      OtherPaid         ClaimStatus         IncidentDate       
##  Min.   :     0   Min.   :      0.0   Length:12832       Min.   :1976-10-29  
##  1st Qu.:     0   1st Qu.:     36.2   Class :character   1st Qu.:2000-06-20  
##  Median :     0   Median :    156.0   Mode  :character   Median :2005-01-19  
##  Mean   :  1415   Mean   :   1823.8                      Mean   :2005-03-21  
##  3rd Qu.:     0   3rd Qu.:    484.0                      3rd Qu.:2010-04-12  
##  Max.   :450680   Max.   :1156503.6                      Max.   :2014-06-26  
##                                                                              
##  IncidentDescription ReturnToWorkDate   AverageWeeklyWage  ClaimantOpenedDate  
##  Length:12832        Length:12832       Length:12832       Min.   :1986-09-03  
##  Class :character    Class :character   Class :character   1st Qu.:2000-07-20  
##  Mode  :character    Mode  :character   Mode  :character   Median :2005-02-25  
##                                                            Mean   :2005-04-28  
##                                                            3rd Qu.:2010-04-28  
##                                                            Max.   :2014-06-30  
##                                                                                
##  ClaimantClosedDate   EmployerNotificationDate  ReceivedDate       
##  Min.   :2000-03-08   Min.   :1976-10-30       Min.   :1986-09-03  
##  1st Qu.:2005-03-31   1st Qu.:2000-05-15       1st Qu.:2000-07-25  
##  Median :2007-04-12   Median :2005-03-31       Median :2005-02-22  
##  Mean   :2008-01-25   Mean   :2005-04-28       Mean   :2005-04-28  
##  3rd Qu.:2010-09-20   3rd Qu.:2010-09-18       3rd Qu.:2010-05-06  
##  Max.   :2014-06-30   Max.   :2014-06-26       Max.   :2033-09-18  
##  NA's   :369          NA's   :1184                                 
##     IsDenied      ClaimantAge_at_DOI    Gender          ClaimantType      
##  Min.   :0.0000   Length:12832       Length:12832       Length:12832      
##  1st Qu.:0.0000   Class :character   Class :character   Class :character  
##  Median :0.0000   Mode  :character   Mode  :character   Mode  :character  
##  Mean   :0.0272                                                           
##  3rd Qu.:0.0000                                                           
##  Max.   :1.0000                                                           
##                                                                           
##  InjuryNature       BodyPartRegion       BodyPart         BillReviewALE     
##  Length:12832       Length:12832       Length:12832       Min.   : -456.00  
##  Class :character   Class :character   Class :character   1st Qu.:   16.00  
##  Mode  :character   Mode  :character   Mode  :character   Median :   24.00  
##                                                           Mean   :  177.61  
##                                                           3rd Qu.:   68.47  
##                                                           Max.   :16208.91  
##                                                           NA's   :10458     
##     Hospital        PhysicianOutpatient       Rx           
##  Min.   :-12570.4   Min.   :  -549.5    Min.   :     0.00  
##  1st Qu.:   205.3   1st Qu.:   109.0    1st Qu.:    22.50  
##  Median :   569.6   Median :   215.7    Median :    58.95  
##  Mean   :  4007.1   Mean   :  1595.5    Mean   :  1605.50  
##  3rd Qu.:  2124.9   3rd Qu.:   681.9    3rd Qu.:   185.10  
##  Max.   :194966.4   Max.   :310220.3    Max.   :210564.39  
##  NA's   :10878      NA's   :8003        NA's   :11076

Cambiar a Numérico

bdcabeza$TotalPaid <- as.numeric(bdcabeza$TotalPaid)
bdcabeza$TotalReserves <- as.numeric(bdcabeza$TotalReserves)
bdcabeza$TotalRecovery <- as.numeric(bdcabeza$TotalRecovery)
bdcabeza$AverageWeeklyWage <- as.numeric(bdcabeza$AverageWeeklyWage)
## Warning: NAs introduced by coercion
bdcabeza$ClaimantAge_at_DOI <- as.numeric(bdcabeza$ClaimantAge_at_DOI)
## Warning: NAs introduced by coercion
glimpse(bdcabeza)
## Rows: 12,832
## Columns: 26
## $ ClaimID                  <int> 777635, 777647, 777649, 777650, 777677, 77768…
## $ TotalPaid                <dbl> 66.68, 60.01, 439.71, 45.99, 682.68, 58.93, 3…
## $ TotalReserves            <dbl> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, …
## $ TotalRecovery            <dbl> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, …
## $ IndemnityPaid            <dbl> 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.00, 0.0…
## $ OtherPaid                <dbl> 66.68, 60.01, 439.71, 45.99, 682.68, 58.93, 3…
## $ ClaimStatus              <chr> "C", "C", "C", "C", "C", "C", "C", "C", "C", …
## $ IncidentDate             <date> 1999-07-01, 1999-07-02, 1999-07-02, 1999-07-…
## $ IncidentDescription      <chr> "EE. Alleges cleaning restroom in ninth floor…
## $ ReturnToWorkDate         <chr> "#VALUE!", "#VALUE!", "#VALUE!", "#VALUE!", "…
## $ AverageWeeklyWage        <dbl> NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, 752.3…
## $ ClaimantOpenedDate       <date> 1999-07-16, 1999-07-16, 1999-07-19, 1999-07-…
## $ ClaimantClosedDate       <date> 2005-03-31, 2005-03-31, 2005-03-31, 2005-03-…
## $ EmployerNotificationDate <date> 1999-07-01, 1999-07-02, 1999-07-02, 1999-07-…
## $ ReceivedDate             <date> 1999-07-15, 1999-07-15, 1999-07-19, 1999-07-…
## $ IsDenied                 <int> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, …
## $ ClaimantAge_at_DOI       <dbl> 43, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, N…
## $ Gender                   <chr> "Female", "Male", "Male", "Female", "Female",…
## $ ClaimantType             <chr> "Medical Only", "Medical Only", "Medical Only…
## $ InjuryNature             <chr> "Poisoning?Chemical (Other Than Metals)", "Co…
## $ BodyPartRegion           <chr> "Head", "Head", "Head", "Head", "Head", "Head…
## $ BodyPart                 <chr> "Eyes", "Eyes", "Eyes", "Eyes", "Eyes", "Mult…
## $ BillReviewALE            <dbl> NA, NA, NA, 264, NA, NA, NA, NA, NA, NA, NA, …
## $ Hospital                 <dbl> NA, NA, NA, 730.14, NA, NA, 214.79, 189.05, N…
## $ PhysicianOutpatient      <dbl> NA, NA, NA, 3493.30, 0.00, 327.64, 361.98, 28…
## $ Rx                       <dbl> NA, NA, 15.16, 417.90, NA, NA, 19.99, NA, NA,…
is.numeric(bdcabeza$AverageWeeklyWage)
## [1] TRUE

Costo Total & Tiempo De Procesamiento

bdcabeza$Total_Incurred_Cost <- bdcabeza$TotalReserves + bdcabeza$TotalPaid - bdcabeza$TotalRecovery
bdcabeza$TP <- difftime(bdcabeza$ClaimantClosedDate, bdcabeza$ClaimantOpenedDate, units ="days")
bdcabeza$TP <- as.numeric(bdcabeza$TP)
summary(bdcabeza)
##     ClaimID           TotalPaid         TotalReserves     TotalRecovery     
##  Min.   :  777635   Min.   :      0.0   Min.   :      0   Min.   :    0.00  
##  1st Qu.:  808894   1st Qu.:     36.2   1st Qu.:      0   1st Qu.:    0.00  
##  Median :  842276   Median :    157.6   Median :      0   Median :    0.00  
##  Mean   :10578303   Mean   :   3238.6   Mean   :   1230   Mean   :   59.17  
##  3rd Qu.:22721561   3rd Qu.:    501.0   3rd Qu.:      0   3rd Qu.:    0.00  
##  Max.   :62203645   Max.   :1353862.0   Max.   :1303215   Max.   :90357.52  
##                                                                             
##  IndemnityPaid      OtherPaid         ClaimStatus         IncidentDate       
##  Min.   :     0   Min.   :      0.0   Length:12832       Min.   :1976-10-29  
##  1st Qu.:     0   1st Qu.:     36.2   Class :character   1st Qu.:2000-06-20  
##  Median :     0   Median :    156.0   Mode  :character   Median :2005-01-19  
##  Mean   :  1415   Mean   :   1823.8                      Mean   :2005-03-21  
##  3rd Qu.:     0   3rd Qu.:    484.0                      3rd Qu.:2010-04-12  
##  Max.   :450680   Max.   :1156503.6                      Max.   :2014-06-26  
##                                                                              
##  IncidentDescription ReturnToWorkDate   AverageWeeklyWage  
##  Length:12832        Length:12832       Min.   :      0.1  
##  Class :character    Class :character   1st Qu.:    191.1  
##  Mode  :character    Mode  :character   Median :    478.0  
##                                         Mean   :   1069.6  
##                                         3rd Qu.:    647.9  
##                                         Max.   :2024000.0  
##                                         NA's   :8814       
##  ClaimantOpenedDate   ClaimantClosedDate   EmployerNotificationDate
##  Min.   :1986-09-03   Min.   :2000-03-08   Min.   :1976-10-30      
##  1st Qu.:2000-07-20   1st Qu.:2005-03-31   1st Qu.:2000-05-15      
##  Median :2005-02-25   Median :2007-04-12   Median :2005-03-31      
##  Mean   :2005-04-28   Mean   :2008-01-25   Mean   :2005-04-28      
##  3rd Qu.:2010-04-28   3rd Qu.:2010-09-20   3rd Qu.:2010-09-18      
##  Max.   :2014-06-30   Max.   :2014-06-30   Max.   :2014-06-26      
##                       NA's   :369          NA's   :1184            
##   ReceivedDate           IsDenied      ClaimantAge_at_DOI    Gender         
##  Min.   :1986-09-03   Min.   :0.0000   Min.   :-7951.00   Length:12832      
##  1st Qu.:2000-07-25   1st Qu.:0.0000   1st Qu.:   31.00   Class :character  
##  Median :2005-02-22   Median :0.0000   Median :   42.00   Mode  :character  
##  Mean   :2005-04-28   Mean   :0.0272   Mean   :   38.67                     
##  3rd Qu.:2010-05-06   3rd Qu.:0.0000   3rd Qu.:   51.00                     
##  Max.   :2033-09-18   Max.   :1.0000   Max.   :   87.00                     
##                                        NA's   :3651                         
##  ClaimantType       InjuryNature       BodyPartRegion       BodyPart        
##  Length:12832       Length:12832       Length:12832       Length:12832      
##  Class :character   Class :character   Class :character   Class :character  
##  Mode  :character   Mode  :character   Mode  :character   Mode  :character  
##                                                                             
##                                                                             
##                                                                             
##                                                                             
##  BillReviewALE         Hospital        PhysicianOutpatient       Rx           
##  Min.   : -456.00   Min.   :-12570.4   Min.   :  -549.5    Min.   :     0.00  
##  1st Qu.:   16.00   1st Qu.:   205.3   1st Qu.:   109.0    1st Qu.:    22.50  
##  Median :   24.00   Median :   569.6   Median :   215.7    Median :    58.95  
##  Mean   :  177.61   Mean   :  4007.1   Mean   :  1595.5    Mean   :  1605.50  
##  3rd Qu.:   68.47   3rd Qu.:  2124.9   3rd Qu.:   681.9    3rd Qu.:   185.10  
##  Max.   :16208.91   Max.   :194966.4   Max.   :310220.3    Max.   :210564.39  
##  NA's   :10458      NA's   :10878      NA's   :8003        NA's   :11076      
##  Total_Incurred_Cost       TP        
##  Min.   :  -1521.2   Min.   :   0.0  
##  1st Qu.:     38.0   1st Qu.: 114.5  
##  Median :    160.2   Median : 684.0  
##  Mean   :   4409.7   Mean   :1081.9  
##  3rd Qu.:    526.7   3rd Qu.:1811.0  
##  Max.   :1869254.9   Max.   :6544.0  
##                      NA's   :369

Árbol de Decisiones

Limpiar Base de Datos

bdarbol <- bdcabeza
bdarbol$Gender <- as.factor(bdarbol$Gender)
count(bdarbol, Gender, sort=TRUE)
##          Gender    n
## 1          Male 7540
## 2        Female 5199
## 3 Not Available   93
count(bdarbol, ClaimantAge_at_DOI, sort=TRUE)
##    ClaimantAge_at_DOI    n
## 1                  NA 3651
## 2                  48  268
## 3                  41  263
## 4                  46  262
## 5                  43  260
## 6                  28  259
## 7                  42  248
## 8                  44  248
## 9                  50  248
## 10                 33  238
## 11                 47  238
## 12                 53  237
## 13                 54  236
## 14                 38  234
## 15                 45  234
## 16                 37  232
## 17                 52  232
## 18                 34  230
## 19                 25  225
## 20                 36  223
## 21                 26  221
## 22                 35  217
## 23                 39  217
## 24                 51  214
## 25                 29  211
## 26                 55  210
## 27                 32  208
## 28                 27  205
## 29                 49  202
## 30                 40  198
## 31                 30  195
## 32                 31  195
## 33                 57  178
## 34                 23  173
## 35                 24  173
## 36                 56  170
## 37                 22  156
## 38                 58  152
## 39                 59  148
## 40                 60  132
## 41                 21  114
## 42                 61   99
## 43                 62   93
## 44                 20   77
## 45                 19   63
## 46                 63   61
## 47                 64   57
## 48                 65   34
## 49                 67   28
## 50                 66   19
## 51                 18   16
## 52                 68   14
## 53                 69   11
## 54                  0   10
## 55                 71    9
## 56                 73    9
## 57                 74    9
## 58                 72    8
## 59                 75    7
## 60                 17    5
## 61                 70    5
## 62                 76    5
## 63                 77    5
## 64                 -1    4
## 65                  6    4
## 66                 16    4
## 67                  1    2
## 68                  5    2
## 69                 78    2
## 70              -7951    1
## 71              -7161    1
## 72              -5973    1
## 73              -2956    1
## 74               -193    1
## 75                -45    1
## 76                 -5    1
## 77                  4    1
## 78                  7    1
## 79                 11    1
## 80                 12    1
## 81                 13    1
## 82                 79    1
## 83                 81    1
## 84                 87    1
count(bdarbol, AverageWeeklyWage, sort=TRUE)
##      AverageWeeklyWage    n
## 1                   NA 8814
## 2                 1.00  567
## 3                40.00  129
## 4               300.00   97
## 5                30.00   95
## 6               500.00   66
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## 1950           1066.46    1
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## 1954           1070.00    1
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## 1984           1112.00    1
## 1985           1113.46    1
## 1986           1115.00    1
## 1987           1116.00    1
## 1988           1116.97    1
## 1989           1120.40    1
## 1990           1128.00    1
## 1991           1129.89    1
## 1992           1130.05    1
## 1993           1132.22    1
## 1994           1132.40    1
## 1995           1134.08    1
## 1996           1134.59    1
## 1997           1135.13    1
## 1998           1138.67    1
## 1999           1139.00    1
## 2000           1139.60    1
## 2001           1140.00    1
## 2002           1141.00    1
## 2003           1141.15    1
## 2004           1144.40    1
## 2005           1149.81    1
## 2006           1150.00    1
## 2007           1152.00    1
## 2008           1153.28    1
## 2009           1159.52    1
## 2010           1161.10    1
## 2011           1161.44    1
## 2012           1166.54    1
## 2013           1170.00    1
## 2014           1171.00    1
## 2015           1171.33    1
## 2016           1173.00    1
## 2017           1174.00    1
## 2018           1174.42    1
## 2019           1176.00    1
## 2020           1180.39    1
## 2021           1182.00    1
## 2022           1183.00    1
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## 2024           1185.95    1
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## 2156         131160.00    1
## 2157        2024000.00    1
bdarbol<- na.omit(bdarbol, cols = c("Gender", "ClaimantAge_at_DOI", "AverageWeeklyWage"))
bdarbol <- bdarbol[bdarbol$ClaimantAge_at_DOI > 0,]
count(bdarbol, Gender, sort=TRUE)
##          Gender  n
## 1        Female 45
## 2          Male 44
## 3 Not Available  2
count(bdarbol, ClaimantAge_at_DOI, sort=TRUE)
##    ClaimantAge_at_DOI n
## 1                  39 7
## 2                  41 6
## 3                  27 5
## 4                  36 5
## 5                  51 5
## 6                  20 4
## 7                  32 4
## 8                  38 4
## 9                  48 4
## 10                 54 4
## 11                 28 3
## 12                 45 3
## 13                 19 2
## 14                 23 2
## 15                 24 2
## 16                 26 2
## 17                 29 2
## 18                 35 2
## 19                 40 2
## 20                 43 2
## 21                 46 2
## 22                 52 2
## 23                 53 2
## 24                 21 1
## 25                 22 1
## 26                 25 1
## 27                 33 1
## 28                 34 1
## 29                 37 1
## 30                 42 1
## 31                 44 1
## 32                 49 1
## 33                 50 1
## 34                 58 1
## 35                 60 1
## 36                 62 1
## 37                 65 1
## 38                 68 1
count(bdarbol, AverageWeeklyWage, sort=TRUE)
##    AverageWeeklyWage  n
## 1               1.00 15
## 2             100.00  3
## 3             350.00  2
## 4               0.23  1
## 5              55.55  1
## 6             148.00  1
## 7             175.00  1
## 8             180.00  1
## 9             181.76  1
## 10            234.00  1
## 11            260.00  1
## 12            280.00  1
## 13            300.00  1
## 14            320.00  1
## 15            326.10  1
## 16            352.15  1
## 17            352.30  1
## 18            373.42  1
## 19            387.60  1
## 20            400.00  1
## 21            413.60  1
## 22            428.85  1
## 23            430.40  1
## 24            438.49  1
## 25            440.40  1
## 26            448.00  1
## 27            450.00  1
## 28            458.27  1
## 29            459.50  1
## 30            460.11  1
## 31            479.97  1
## 32            491.58  1
## 33            496.62  1
## 34            505.01  1
## 35            509.97  1
## 36            509.98  1
## 37            510.24  1
## 38            511.60  1
## 39            512.02  1
## 40            513.64  1
## 41            515.72  1
## 42            528.40  1
## 43            546.98  1
## 44            554.94  1
## 45            556.79  1
## 46            562.64  1
## 47            570.77  1
## 48            571.30  1
## 49            576.80  1
## 50            581.84  1
## 51            590.23  1
## 52            598.55  1
## 53            599.86  1
## 54            610.00  1
## 55            619.80  1
## 56            620.00  1
## 57            620.16  1
## 58            647.54  1
## 59            655.32  1
## 60            674.00  1
## 61            697.68  1
## 62            700.00  1
## 63            728.80  1
## 64            755.20  1
## 65            756.75  1
## 66            832.09  1
## 67            874.00  1
## 68            918.46  1
## 69            956.60  1
## 70            981.60  1
## 71            984.12  1
## 72           1149.81  1
## 73           1211.60  1
## 74           1401.60  1
sapply(bdarbol, function(x) sum(is.na(x)))
##                  ClaimID                TotalPaid            TotalReserves 
##                        0                        0                        0 
##            TotalRecovery            IndemnityPaid                OtherPaid 
##                        0                        0                        0 
##              ClaimStatus             IncidentDate      IncidentDescription 
##                        0                        0                        0 
##         ReturnToWorkDate        AverageWeeklyWage       ClaimantOpenedDate 
##                        0                        0                        0 
##       ClaimantClosedDate EmployerNotificationDate             ReceivedDate 
##                        0                        0                        0 
##                 IsDenied       ClaimantAge_at_DOI                   Gender 
##                        0                        0                        0 
##             ClaimantType             InjuryNature           BodyPartRegion 
##                        0                        0                        0 
##                 BodyPart            BillReviewALE                 Hospital 
##                        0                        0                        0 
##      PhysicianOutpatient                       Rx      Total_Incurred_Cost 
##                        0                        0                        0 
##                       TP 
##                        0
boxplot(bdarbol$Total_Incurred_Cost, horizontal = TRUE)

boxplot(bdarbol$TP, horizontal = TRUE)

boxplot(bdarbol$AverageWeeklyWage, horizontal = TRUE)

bdarbol <- bdarbol[bdarbol$Total_Incurred_Cost < 130000,]
summary(bdarbol$Total_Incurred_Cost)
##     Min.  1st Qu.   Median     Mean  3rd Qu.     Max. 
##     0.00    94.47   267.74  4264.87  2742.86 78488.36
bdarbol <- bdarbol[bdarbol$AverageWeeklyWage < 1200,]
summary(bdarbol$AverageWeeklyWage)
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##    0.23  178.75  454.75  414.63  583.94 1149.81
bdarbol <- bdarbol[bdarbol$TP < 2700,]
summary(bdarbol$TP)
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##    22.0   130.8   510.0   666.2  1095.2  2214.0

Hacer Árbol de Decisiones

Costo Total

arbol<- rpart(formula = Total_Incurred_Cost ~ ClaimantAge_at_DOI+ Gender, data=bdarbol)
arbol
## n= 86 
## 
## node), split, n, deviance, yval
##       * denotes terminal node
## 
##  1) root 86 11162630000  4451.986  
##    2) ClaimantAge_at_DOI>=32.5 57  2211073000  3419.439  
##      4) ClaimantAge_at_DOI< 38.5 14    98758720  1600.548 *
##      5) ClaimantAge_at_DOI>=38.5 43  2050917000  4011.637  
##       10) ClaimantAge_at_DOI>=39.5 36  1014353000  2853.721 *
##       11) ClaimantAge_at_DOI< 39.5 7   740062900  9966.629 *
##    3) ClaimantAge_at_DOI< 32.5 29  8771341000  6481.476  
##      6) ClaimantAge_at_DOI< 27.5 20  1125675000  2771.558 *
##      7) ClaimantAge_at_DOI>=27.5 9  6758686000 14725.740 *
rpart.plot(arbol)

prp(arbol)

Tiempo De Procesamiento

arbol<- rpart(formula = TP ~ AverageWeeklyWage + ClaimantAge_at_DOI, data=bdarbol)
arbol
## n= 86 
## 
## node), split, n, deviance, yval
##       * denotes terminal node
## 
##  1) root 86 27369620  666.2093  
##    2) ClaimantAge_at_DOI< 27.5 20  4985931  414.2000  
##      4) AverageWeeklyWage>=161.5 13  1526929  328.3077 *
##      5) AverageWeeklyWage< 161.5 7  3184981  573.7143 *
##    3) ClaimantAge_at_DOI>=27.5 66 20728610  742.5758  
##      6) AverageWeeklyWage< 313.05 17  3640316  591.5882 *
##      7) AverageWeeklyWage>=313.05 49 16566290  794.9592  
##       14) AverageWeeklyWage>=599.205 16  4232281  614.9375 *
##       15) AverageWeeklyWage< 599.205 33 11564080  882.2424  
##         30) ClaimantAge_at_DOI< 37 11  2328833  622.4545 *
##         31) ClaimantAge_at_DOI>=37 22  8121663 1012.1360  
##           62) AverageWeeklyWage< 433.67 8  2011242  803.2500 *
##           63) AverageWeeklyWage>=433.67 14  5561886 1131.5000 *
rpart.plot(arbol)

prp(arbol)

Regresión Lineal

Limpiar Base de Datos

sum(is.na(bdcabeza$Total_Incurred_Cost))
## [1] 0
sum(is.na(bdcabeza$TP))
## [1] 369
bdregresion <-bdcabeza
bdregresion <- bdregresion[bdregresion$Total_Incurred_Cost > 0,]

Eliminar outliers

boxplot(bdregresion$TP, horizontal = TRUE)

boxplot(bdregresion$Total_Incurred_Cost, horizontal = TRUE)

bdregresion <- bdregresion[bdregresion$TP < 4000,]
bdregresion <- bdregresion[bdregresion$Total_Incurred_Cost < 500000,]
summary(bdregresion$Total_Incurred_Cost)
##     Min.  1st Qu.   Median     Mean  3rd Qu.     Max.     NA's 
##      1.8    111.7    234.0   2351.4    695.4 386860.2      351
count(bdregresion, Gender, sort=TRUE)
##          Gender    n
## 1          Male 5879
## 2        Female 3639
## 3          <NA>  351
## 4 Not Available   70
bdregresion$Gender <- as.factor(bdregresion$Gender)

Regresión Lineal Costo Total

regresion <- lm(Total_Incurred_Cost ~TP + Gender + BodyPart+ AverageWeeklyWage + ClaimantAge_at_DOI, data=bdregresion)

summary(regresion)
## 
## Call:
## lm(formula = Total_Incurred_Cost ~ TP + Gender + BodyPart + AverageWeeklyWage + 
##     ClaimantAge_at_DOI, data = bdregresion)
## 
## Residuals:
##    Min     1Q Median     3Q    Max 
## -35575  -5948  -1964   1309 353067 
## 
## Coefficients:
##                                Estimate Std. Error t value Pr(>|t|)    
## (Intercept)                   1.783e+04  5.876e+03   3.035 0.002431 ** 
## TP                            7.762e+00  6.701e-01  11.582  < 2e-16 ***
## GenderMale                    1.008e+03  9.808e+02   1.028 0.304092    
## GenderNot Available           6.557e+03  5.375e+03   1.220 0.222634    
## BodyPartEar(S)               -2.506e+04  6.037e+03  -4.152 3.41e-05 ***
## BodyPartEyes                 -2.661e+04  5.675e+03  -4.689 2.90e-06 ***
## BodyPartFacial Bones         -2.454e+04  5.899e+03  -4.159 3.30e-05 ***
## BodyPartMouth                -2.563e+04  6.025e+03  -4.254 2.18e-05 ***
## BodyPartMultiple Head Injury -1.961e+04  5.686e+03  -3.448 0.000574 ***
## BodyPartNose                 -1.982e+04  6.022e+03  -3.291 0.001013 ** 
## BodyPartSkull                -2.032e+04  5.935e+03  -3.424 0.000627 ***
## BodyPartSoft Tissue-Head     -2.250e+04  5.842e+03  -3.852 0.000120 ***
## BodyPartTeeth                -2.628e+04  6.139e+03  -4.281 1.93e-05 ***
## AverageWeeklyWage             2.520e-03  1.182e-02   0.213 0.831154    
## ClaimantAge_at_DOI            1.547e+02  3.872e+01   3.994 6.69e-05 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 23800 on 2466 degrees of freedom
##   (7458 observations deleted due to missingness)
## Multiple R-squared:  0.07955,    Adjusted R-squared:  0.07432 
## F-statistic: 15.22 on 14 and 2466 DF,  p-value: < 2.2e-16

Modelo Predictivo

datos <- data.frame(TP= 103, Gender="Female", BodyPart= "Nose",ClaimantAge_at_DOI=34, AverageWeeklyWage=0.10)
predict(regresion, datos)
##        1 
## 4072.688

Regresión Lineal Tiempo de Procesamiento

regresion <- lm(TP ~Total_Incurred_Cost+ Gender + BodyPart + AverageWeeklyWage+ ClaimantAge_at_DOI, data=bdregresion)

summary(regresion)
## 
## Call:
## lm(formula = TP ~ Total_Incurred_Cost + Gender + BodyPart + AverageWeeklyWage + 
##     ClaimantAge_at_DOI, data = bdregresion)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -1525.1  -375.4  -250.5    20.5  3494.1 
## 
## Coefficients:
##                                Estimate Std. Error t value Pr(>|t|)    
## (Intercept)                   4.313e+02  1.720e+02   2.507   0.0122 *  
## Total_Incurred_Cost           6.647e-03  5.739e-04  11.582   <2e-16 ***
## GenderMale                    5.285e-01  2.871e+01   0.018   0.9853    
## GenderNot Available          -1.114e+02  1.573e+02  -0.708   0.4792    
## BodyPartEar(S)                1.122e+02  1.773e+02   0.633   0.5270    
## BodyPartEyes                  1.613e+02  1.668e+02   0.967   0.3334    
## BodyPartFacial Bones          2.919e+02  1.732e+02   1.686   0.0919 .  
## BodyPartMouth                 3.281e+02  1.768e+02   1.855   0.0637 .  
## BodyPartMultiple Head Injury  2.168e+02  1.667e+02   1.300   0.1936    
## BodyPartNose                  1.872e+02  1.766e+02   1.060   0.2892    
## BodyPartSkull                -9.121e+01  1.741e+02  -0.524   0.6003    
## BodyPartSoft Tissue-Head     -1.248e+02  1.715e+02  -0.728   0.4668    
## BodyPartTeeth                 2.020e+02  1.803e+02   1.121   0.2626    
## AverageWeeklyWage            -2.601e-04  3.457e-04  -0.752   0.4520    
## ClaimantAge_at_DOI           -3.243e+00  1.135e+00  -2.858   0.0043 ** 
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 696.4 on 2466 degrees of freedom
##   (7458 observations deleted due to missingness)
## Multiple R-squared:  0.08293,    Adjusted R-squared:  0.07772 
## F-statistic: 15.93 on 14 and 2466 DF,  p-value: < 2.2e-16
regresion <- lm(TP ~ Total_Incurred_Cost+ AverageWeeklyWage+ClaimantAge_at_DOI+ BodyPart, data=bdregresion)

summary(regresion)
## 
## Call:
## lm(formula = TP ~ Total_Incurred_Cost + AverageWeeklyWage + ClaimantAge_at_DOI + 
##     BodyPart, data = bdregresion)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -1521.9  -374.8  -253.3    20.7  3495.5 
## 
## Coefficients:
##                                Estimate Std. Error t value Pr(>|t|)    
## (Intercept)                   4.311e+02  1.715e+02   2.514   0.0120 *  
## Total_Incurred_Cost           6.639e-03  5.735e-04  11.577   <2e-16 ***
## AverageWeeklyWage            -2.592e-04  3.456e-04  -0.750   0.4534    
## ClaimantAge_at_DOI           -3.229e+00  1.133e+00  -2.850   0.0044 ** 
## BodyPartEar(S)                1.112e+02  1.768e+02   0.629   0.5295    
## BodyPartEyes                  1.606e+02  1.666e+02   0.964   0.3351    
## BodyPartFacial Bones          2.905e+02  1.730e+02   1.679   0.0932 .  
## BodyPartMouth                 3.280e+02  1.767e+02   1.856   0.0635 .  
## BodyPartMultiple Head Injury  2.154e+02  1.667e+02   1.292   0.1964    
## BodyPartNose                  1.861e+02  1.765e+02   1.055   0.2917    
## BodyPartSkull                -9.134e+01  1.740e+02  -0.525   0.5996    
## BodyPartSoft Tissue-Head     -1.260e+02  1.714e+02  -0.735   0.4623    
## BodyPartTeeth                 2.008e+02  1.800e+02   1.115   0.2649    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 696.2 on 2468 degrees of freedom
##   (7458 observations deleted due to missingness)
## Multiple R-squared:  0.08274,    Adjusted R-squared:  0.07828 
## F-statistic: 18.55 on 12 and 2468 DF,  p-value: < 2.2e-16

Modelo Predictivo

datos <- data.frame(Total_Incurred_Cost= 148.37, BodyPart= "Nose", AverageWeeklyWage=0.10, ClaimantAge_at_DOI=32)
predict(regresion, datos)
##        1 
## 514.9416

Shiny

Link

---
title: "Actividad - Lesiones en la Cabeza"
author: "Aracely Quezada A01235931"
date: "2023-09-30"
output: 
  html_document:
    toc: TRUE
    toc_float: True
    code_download: True
    theme: "simplex"
    highlight: "monochrome"
---
 ![](/Users/araquezada/Documents/Tec/7mo Semestre/Analítica para Negocios/Modulo 4/cabeza.jpeg)








The project comes from a North Carolina, US company that manages workers’ compensation claims for other clients (name & location protected for confidentiality). This company wants you to advise them on how data analytics can be used to identify major drivers of costs of claims and the time to process claims. The company is interested in using data analytics to become efficient and responsive to claimants. The gist of workers’ compensation is as follows: When a worker of a participating company is injured in performance of her/his job, she/he can file a claim for the medical expenses and loss of wages related to the injury. When a claim is filed for the first time, a unique claim identifier is created and the details of the claims are recorded. The claim details are updated as payments are made to settle the claim. Payments can be made for various activities related to a claim, such as doctor visit, pharmacy, etc.


```{r}
#Llamar Librerías
library(dplyr)
library(ggplot2)
library(factoextra)
library(rpart)
library(rpart.plot)
library(lubridate)
library(cluster)
```

## <span style="color: orange;">Limpiar Base de Datos</span>
```{r}
bd1 <- read.csv("/Users/araquezada/Documents/Tec/7mo Semestre/Analítica para Negocios/Modulo 4/Actividad Análisis /ClaimsData2018 (1).csv")
bd2 <- read.csv("/Users/araquezada/Documents/Tec/7mo Semestre/Analítica para Negocios/Modulo 4/Actividad Análisis /TransactionsSummary2018.csv")
```

### Juntar Bases de Datos y Filtrar
```{r}
bd <- merge(bd1, bd2, by="ClaimID" , all=TRUE)

#Eliminar columas X
bdlimpia <- bd%>% select (- (X: X.22)) 

bdcabeza <- filter(bdlimpia, BodyPartRegion %in% c("Head"))
count(bdcabeza, BodyPartRegion, sort=TRUE)
summary(bdcabeza)
glimpse(bdcabeza)
```

##### Observaciones
1. Total Paid, Indemity Paid, Other Paid, BillReviewALE, PhysicianOutPatient, Hospital, ClaimantAge_at_DOI tienen números negativos. 
2. Hay muchos NA's. 
3. Las variables de fecha están en carácter 


### Cambiar a Fechas
```{r}
bdcabeza$ClaimantOpenedDate <- as.Date(bdcabeza$ClaimantOpenedDate, format ="%d/%m/%y")
bdcabeza$ClaimantClosedDate <- as.Date(bdcabeza$ClaimantClosedDate, format ="%d/%m/%y")
bdcabeza$IncidentDate <- as.Date(bdcabeza$IncidentDate, format ="%d/%m/%y")
bdcabeza$EmployerNotificationDate <- as.Date(bdcabeza$EmployerNotificationDate, format ="%d/%m/%y")
bdcabeza$ReceivedDate <- as.Date(bdcabeza$ReceivedDate, format ="%d/%m/%y")
summary(bdcabeza)
```

### Cambiar a Numérico
```{r}
bdcabeza$TotalPaid <- as.numeric(bdcabeza$TotalPaid)
bdcabeza$TotalReserves <- as.numeric(bdcabeza$TotalReserves)
bdcabeza$TotalRecovery <- as.numeric(bdcabeza$TotalRecovery)
bdcabeza$AverageWeeklyWage <- as.numeric(bdcabeza$AverageWeeklyWage)
bdcabeza$ClaimantAge_at_DOI <- as.numeric(bdcabeza$ClaimantAge_at_DOI)
glimpse(bdcabeza)
```

```{r}
is.numeric(bdcabeza$AverageWeeklyWage)
```

### Costo Total & Tiempo De Procesamiento 
```{r}
bdcabeza$Total_Incurred_Cost <- bdcabeza$TotalReserves + bdcabeza$TotalPaid - bdcabeza$TotalRecovery
bdcabeza$TP <- difftime(bdcabeza$ClaimantClosedDate, bdcabeza$ClaimantOpenedDate, units ="days")
```
```{r}
bdcabeza$TP <- as.numeric(bdcabeza$TP)
summary(bdcabeza)
```

## <span style="color: orange;">Árbol de Decisiones</span>
### Limpiar Base de Datos
```{r}
bdarbol <- bdcabeza
bdarbol$Gender <- as.factor(bdarbol$Gender)
```

```{r}
count(bdarbol, Gender, sort=TRUE)
count(bdarbol, ClaimantAge_at_DOI, sort=TRUE)
count(bdarbol, AverageWeeklyWage, sort=TRUE)
bdarbol<- na.omit(bdarbol, cols = c("Gender", "ClaimantAge_at_DOI", "AverageWeeklyWage"))
bdarbol <- bdarbol[bdarbol$ClaimantAge_at_DOI > 0,]
count(bdarbol, Gender, sort=TRUE)
count(bdarbol, ClaimantAge_at_DOI, sort=TRUE)
count(bdarbol, AverageWeeklyWage, sort=TRUE)
sapply(bdarbol, function(x) sum(is.na(x)))
```

```{r}
boxplot(bdarbol$Total_Incurred_Cost, horizontal = TRUE)
boxplot(bdarbol$TP, horizontal = TRUE)
boxplot(bdarbol$AverageWeeklyWage, horizontal = TRUE)
```

```{r}
bdarbol <- bdarbol[bdarbol$Total_Incurred_Cost < 130000,]
summary(bdarbol$Total_Incurred_Cost)

bdarbol <- bdarbol[bdarbol$AverageWeeklyWage < 1200,]
summary(bdarbol$AverageWeeklyWage)

bdarbol <- bdarbol[bdarbol$TP < 2700,]
summary(bdarbol$TP)
```


### Hacer Árbol de Decisiones
#### Costo Total
```{r, fig.width=14, fig.height=5}
arbol<- rpart(formula = Total_Incurred_Cost ~ ClaimantAge_at_DOI+ Gender, data=bdarbol)
arbol
rpart.plot(arbol)
prp(arbol)
```

#### Tiempo De Procesamiento
```{r, fig.width=14, fig.height=5}
arbol<- rpart(formula = TP ~ AverageWeeklyWage + ClaimantAge_at_DOI, data=bdarbol)
arbol
rpart.plot(arbol)
prp(arbol)
```

## <span style="color: orange;">Regresión Lineal</span>
### Limpiar Base de Datos
```{r}
sum(is.na(bdcabeza$Total_Incurred_Cost))
sum(is.na(bdcabeza$TP))
```
```{r}
bdregresion <-bdcabeza
```
```{r}
bdregresion <- bdregresion[bdregresion$Total_Incurred_Cost > 0,]
```

### Eliminar outliers
```{r}
boxplot(bdregresion$TP, horizontal = TRUE)
boxplot(bdregresion$Total_Incurred_Cost, horizontal = TRUE)
bdregresion <- bdregresion[bdregresion$TP < 4000,]
bdregresion <- bdregresion[bdregresion$Total_Incurred_Cost < 500000,]
summary(bdregresion$Total_Incurred_Cost)
```
```{r}
count(bdregresion, Gender, sort=TRUE)
bdregresion$Gender <- as.factor(bdregresion$Gender)
```

### Regresión Lineal Costo Total
```{r}
regresion <- lm(Total_Incurred_Cost ~TP + Gender + BodyPart+ AverageWeeklyWage + ClaimantAge_at_DOI, data=bdregresion)

summary(regresion)
```

### Modelo Predictivo 
```{r}
datos <- data.frame(TP= 103, Gender="Female", BodyPart= "Nose",ClaimantAge_at_DOI=34, AverageWeeklyWage=0.10)
```
```{r}
predict(regresion, datos)
```

### Regresión Lineal Tiempo de Procesamiento
```{r}
regresion <- lm(TP ~Total_Incurred_Cost+ Gender + BodyPart + AverageWeeklyWage+ ClaimantAge_at_DOI, data=bdregresion)

summary(regresion)
```

```{r}
regresion <- lm(TP ~ Total_Incurred_Cost+ AverageWeeklyWage+ClaimantAge_at_DOI+ BodyPart, data=bdregresion)

summary(regresion)
```

### Modelo Predictivo
```{r}
datos <- data.frame(Total_Incurred_Cost= 148.37, BodyPart= "Nose", AverageWeeklyWage=0.10, ClaimantAge_at_DOI=32)
```
```{r}
predict(regresion, datos)
```


## <span style="color: orange;">Shiny</span>

[Link](https://araquezadaa.shinyapps.io/ActividadQuejas/)


