Healthy Cities GIS Assignment

Author

Andrew C Marshall

Load the libraries and set the working directory

library(tidyverse)
library(tidyr)
setwd('C:/Users/Papad/Documents/MontCommunityCollege/Data110-Summer2024/Datasets')
cities500 <- read_csv("500CitiesLocalHealthIndicators.cdc.csv")

The GeoLocation variable has (lat, long) format

Split GeoLocation (lat, long) into two columns: lat and long

latlong <- cities500|>
  mutate(GeoLocation = str_replace_all(GeoLocation, "[()]", ""))|>
  separate(GeoLocation, into = c("lat", "long"), sep = ",", convert = TRUE)
head(latlong)
# A tibble: 6 × 25
   Year StateAbbr StateDesc  CityName  GeographicLevel DataSource Category      
  <dbl> <chr>     <chr>      <chr>     <chr>           <chr>      <chr>         
1  2017 CA        California Hawthorne Census Tract    BRFSS      Health Outcom…
2  2017 CA        California Hawthorne City            BRFSS      Unhealthy Beh…
3  2017 CA        California Hayward   City            BRFSS      Health Outcom…
4  2017 CA        California Hayward   City            BRFSS      Unhealthy Beh…
5  2017 CA        California Hemet     City            BRFSS      Prevention    
6  2017 CA        California Indio     Census Tract    BRFSS      Health Outcom…
# ℹ 18 more variables: UniqueID <chr>, Measure <chr>, Data_Value_Unit <chr>,
#   DataValueTypeID <chr>, Data_Value_Type <chr>, Data_Value <dbl>,
#   Low_Confidence_Limit <dbl>, High_Confidence_Limit <dbl>,
#   Data_Value_Footnote_Symbol <chr>, Data_Value_Footnote <chr>,
#   PopulationCount <dbl>, lat <dbl>, long <dbl>, CategoryID <chr>,
#   MeasureId <chr>, CityFIPS <dbl>, TractFIPS <dbl>, Short_Question_Text <chr>

Filter the dataset

Remove the StateDesc that includes the United Sates, select Prevention as the category (of interest), filter for only measuring crude prevalence and select only 2017.

latlong_clean <- latlong |>
  filter(StateDesc != "United States") |>
  filter(Category == "Prevention") |>
  filter(Data_Value_Type == "Crude prevalence") |>
  filter(Year == 2017)
head(latlong_clean)
# A tibble: 6 × 25
   Year StateAbbr StateDesc  CityName   GeographicLevel DataSource Category  
  <dbl> <chr>     <chr>      <chr>      <chr>           <chr>      <chr>     
1  2017 AL        Alabama    Montgomery City            BRFSS      Prevention
2  2017 CA        California Concord    City            BRFSS      Prevention
3  2017 CA        California Concord    City            BRFSS      Prevention
4  2017 CA        California Fontana    City            BRFSS      Prevention
5  2017 CA        California Richmond   Census Tract    BRFSS      Prevention
6  2017 FL        Florida    Davie      Census Tract    BRFSS      Prevention
# ℹ 18 more variables: UniqueID <chr>, Measure <chr>, Data_Value_Unit <chr>,
#   DataValueTypeID <chr>, Data_Value_Type <chr>, Data_Value <dbl>,
#   Low_Confidence_Limit <dbl>, High_Confidence_Limit <dbl>,
#   Data_Value_Footnote_Symbol <chr>, Data_Value_Footnote <chr>,
#   PopulationCount <dbl>, lat <dbl>, long <dbl>, CategoryID <chr>,
#   MeasureId <chr>, CityFIPS <dbl>, TractFIPS <dbl>, Short_Question_Text <chr>

What variables are included? (can any of them be removed?)

names(latlong_clean)
 [1] "Year"                       "StateAbbr"                 
 [3] "StateDesc"                  "CityName"                  
 [5] "GeographicLevel"            "DataSource"                
 [7] "Category"                   "UniqueID"                  
 [9] "Measure"                    "Data_Value_Unit"           
[11] "DataValueTypeID"            "Data_Value_Type"           
[13] "Data_Value"                 "Low_Confidence_Limit"      
[15] "High_Confidence_Limit"      "Data_Value_Footnote_Symbol"
[17] "Data_Value_Footnote"        "PopulationCount"           
[19] "lat"                        "long"                      
[21] "CategoryID"                 "MeasureId"                 
[23] "CityFIPS"                   "TractFIPS"                 
[25] "Short_Question_Text"       

Remove the variables that will not be used in the assignment

prevention <- latlong_clean |>
  select(-DataSource,-Data_Value_Unit, -DataValueTypeID, -Low_Confidence_Limit, -High_Confidence_Limit, -Data_Value_Footnote_Symbol, -Data_Value_Footnote)
head(prevention)
# A tibble: 6 × 18
   Year StateAbbr StateDesc  CityName  GeographicLevel Category UniqueID Measure
  <dbl> <chr>     <chr>      <chr>     <chr>           <chr>    <chr>    <chr>  
1  2017 AL        Alabama    Montgome… City            Prevent… 151000   Choles…
2  2017 CA        California Concord   City            Prevent… 616000   Visits…
3  2017 CA        California Concord   City            Prevent… 616000   Choles…
4  2017 CA        California Fontana   City            Prevent… 624680   Visits…
5  2017 CA        California Richmond  Census Tract    Prevent… 0660620… Choles…
6  2017 FL        Florida    Davie     Census Tract    Prevent… 1216475… Choles…
# ℹ 10 more variables: Data_Value_Type <chr>, Data_Value <dbl>,
#   PopulationCount <dbl>, lat <dbl>, long <dbl>, CategoryID <chr>,
#   MeasureId <chr>, CityFIPS <dbl>, TractFIPS <dbl>, Short_Question_Text <chr>
md <- prevention |>
  filter(StateAbbr=="MD")
head(md)
# A tibble: 6 × 18
   Year StateAbbr StateDesc CityName  GeographicLevel Category  UniqueID Measure
  <dbl> <chr>     <chr>     <chr>     <chr>           <chr>     <chr>    <chr>  
1  2017 MD        Maryland  Baltimore Census Tract    Preventi… 2404000… "Chole…
2  2017 MD        Maryland  Baltimore Census Tract    Preventi… 2404000… "Visit…
3  2017 MD        Maryland  Baltimore Census Tract    Preventi… 2404000… "Visit…
4  2017 MD        Maryland  Baltimore Census Tract    Preventi… 2404000… "Curre…
5  2017 MD        Maryland  Baltimore Census Tract    Preventi… 2404000… "Curre…
6  2017 MD        Maryland  Baltimore Census Tract    Preventi… 2404000… "Visit…
# ℹ 10 more variables: Data_Value_Type <chr>, Data_Value <dbl>,
#   PopulationCount <dbl>, lat <dbl>, long <dbl>, CategoryID <chr>,
#   MeasureId <chr>, CityFIPS <dbl>, TractFIPS <dbl>, Short_Question_Text <chr>

The new dataset “Prevention” is a manageable dataset now.

For your assignment, work with the cleaned “Prevention” dataset

1. Once you run the above code, filter this dataset one more time for any particular subset.

Filter chunk here

unique(latlong_clean$StateAbbr)
 [1] "AL" "CA" "FL" "CT" "IL" "MN" "NY" "PA" "NC" "OH" "OK" "OR" "TX" "RI" "SC"
[16] "SD" "TN" "UT" "VA" "WA" "AK" "WI" "AZ" "AR" "CO" "DE" "NV" "DC" "GA" "ID"
[31] "HI" "MA" "MI" "IN" "KS" "KY" "IA" "LA" "MD" "ME" "NH" "NJ" "NM" "MO" "MS"
[46] "NE" "MT" "ND" "WV" "VT" "WY"
mdsubset <- md |>
     filter(PopulationCount > 2500)
mdsubset
# A tibble: 504 × 18
    Year StateAbbr StateDesc CityName  GeographicLevel Category UniqueID Measure
   <dbl> <chr>     <chr>     <chr>     <chr>           <chr>    <chr>    <chr>  
 1  2017 MD        Maryland  Baltimore Census Tract    Prevent… 2404000… "Visit…
 2  2017 MD        Maryland  Baltimore Census Tract    Prevent… 2404000… "Curre…
 3  2017 MD        Maryland  Baltimore Census Tract    Prevent… 2404000… "Curre…
 4  2017 MD        Maryland  Baltimore Census Tract    Prevent… 2404000… "Takin…
 5  2017 MD        Maryland  Baltimore Census Tract    Prevent… 2404000… "Chole…
 6  2017 MD        Maryland  Baltimore Census Tract    Prevent… 2404000… "Takin…
 7  2017 MD        Maryland  Baltimore Census Tract    Prevent… 2404000… "Visit…
 8  2017 MD        Maryland  Baltimore Census Tract    Prevent… 2404000… "Chole…
 9  2017 MD        Maryland  Baltimore Census Tract    Prevent… 2404000… "Curre…
10  2017 MD        Maryland  Baltimore Census Tract    Prevent… 2404000… "Curre…
# ℹ 494 more rows
# ℹ 10 more variables: Data_Value_Type <chr>, Data_Value <dbl>,
#   PopulationCount <dbl>, lat <dbl>, long <dbl>, CategoryID <chr>,
#   MeasureId <chr>, CityFIPS <dbl>, TractFIPS <dbl>, Short_Question_Text <chr>

2. Based on the GIS tutorial (Japan earthquakes), create one plot about something in your subsetted dataset.

First plot chunk here

library(leaflet)
Warning: package 'leaflet' was built under R version 4.3.3
library(sf)
Warning: package 'sf' was built under R version 4.3.3
Linking to GEOS 3.11.2, GDAL 3.8.2, PROJ 9.3.1; sf_use_s2() is TRUE
library(knitr)

mdsubset1 <- mdsubset |> 
  group_by(MeasureId);mdsubset1
# A tibble: 504 × 18
# Groups:   MeasureId [4]
    Year StateAbbr StateDesc CityName  GeographicLevel Category UniqueID Measure
   <dbl> <chr>     <chr>     <chr>     <chr>           <chr>    <chr>    <chr>  
 1  2017 MD        Maryland  Baltimore Census Tract    Prevent… 2404000… "Visit…
 2  2017 MD        Maryland  Baltimore Census Tract    Prevent… 2404000… "Curre…
 3  2017 MD        Maryland  Baltimore Census Tract    Prevent… 2404000… "Curre…
 4  2017 MD        Maryland  Baltimore Census Tract    Prevent… 2404000… "Takin…
 5  2017 MD        Maryland  Baltimore Census Tract    Prevent… 2404000… "Chole…
 6  2017 MD        Maryland  Baltimore Census Tract    Prevent… 2404000… "Takin…
 7  2017 MD        Maryland  Baltimore Census Tract    Prevent… 2404000… "Visit…
 8  2017 MD        Maryland  Baltimore Census Tract    Prevent… 2404000… "Chole…
 9  2017 MD        Maryland  Baltimore Census Tract    Prevent… 2404000… "Curre…
10  2017 MD        Maryland  Baltimore Census Tract    Prevent… 2404000… "Curre…
# ℹ 494 more rows
# ℹ 10 more variables: Data_Value_Type <chr>, Data_Value <dbl>,
#   PopulationCount <dbl>, lat <dbl>, long <dbl>, CategoryID <chr>,
#   MeasureId <chr>, CityFIPS <dbl>, TractFIPS <dbl>, Short_Question_Text <chr>
ggplot(mdsubset1, aes(x=Data_Value, y=PopulationCount, color = MeasureId)) +
  geom_point(alpha = 0.05) +
  scale_color_viridis_d()+
  geom_jitter() +
  facet_wrap(~MeasureId) +
  labs(title = "Data Value score of Baltimore,MD sites reporting for 2017",
       caption = "Source: CDC.gov")  +
  theme_bw()

3. Now create a map of your subsetted dataset.

First map chunk here

baltimore_lon <- -76.6122 
baltimore_lat <- 39.2904  

leaflet() |>
  setView(lng = baltimore_lon, lat = baltimore_lat, zoom =10) |>
  addProviderTiles("Esri.WorldStreetMap") |>
  addCircles(
    data = mdsubset1,
    radius = mdsubset1$Data_Value
)
Assuming "long" and "lat" are longitude and latitude, respectively

4. Refine your map to include a mousover tooltip

Refined map chunk here

popuphealth <- paste0(
      "<b>Data_Value: </b>", mdsubset1$Data_Value, "<br>",
      "<b>PopulationCount: </b>", mdsubset1$PopulationCount, "<br>",
      "<b>MeasureId (km): </b>", mdsubset1$MeasureId, "<br>",
      "<mdsubset1>CityName: </mdsubset1>", mdsubset1$CityName, "<br>"
      )

leaflet() |>
  setView(lng = baltimore_lon, lat = baltimore_lat, zoom =10) |>
  addProviderTiles("Esri.WorldStreetMap") |>
  addCircles(
    data = mdsubset1,
    radius = mdsubset1$Data_Value,
    color = "yellow",
    fillColor = "red",
    fillOpacity = 0.25,
    popup = popuphealth
)
Assuming "long" and "lat" are longitude and latitude, respectively

5. Write a paragraph

In a paragraph, describe the plots you created and what they show.

Both visualizations have a base of data from 2017 for only Baltimore, Maryland and prevention category and crude prevalence data value type. The first plot shows the population count of Baltimore, MD for 2017 based on the type of Measure Id. The second mapping plot shows a map of Baltimore, Maryland with all of the reported records for 2017, based on data value. The tooltip popup shows three variables and list Baltimore as the location.