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SIE_577_V7.6.Rmd
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SIE_577_V7.6.Rmd
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---
title: "SIE 477/ 577 Group Project"
output: html_notebook
author: "Haley Wiskoki, Melanie Grudinschi and Shaylan Bera"
---
# Install necessary packages
```{r}
install.packages("anytime")
install.packages("shiny")
install.packages("eeptools")
install.packages("shinythemes")
install.packages("shinyWidgets")
library("anytime")
library("shiny")
library(dplyr)
library(stringr)
library(eeptools)
library(shinythemes)
library(shinyWidgets)
```
# Ingesting Raw Data & Combining Dataframes
```{r}
# Ingesting raw data
patients <- read.csv("patients.csv")
encounters <- read.csv("Encounter.csv")
payers <- read.csv("payers.csv")
# Combining "patients" and "encounters"
combined <- right_join(patients, encounters, by=c("Id" = "PATIENT"), copy = FALSE, keep = FALSE, na_matches = "na")
# Combining "payers" to the intersection of "payers" and "encounters"
combined_payers <- right_join(combined, payers, by=c("PAYER" = "Id"), copy = FALSE, keep = FALSE, na_matches = "na")
```
# Cleaning combined dataframe
```{r}
# Removing unnecessary columns
combined_payers <- subset(combined_payers, select = -c(ADDRESS.y:MEMBER_MONTHS, SSN:PASSPORT, CITY.x, STATE))
combined_payers <- subset(combined_payers, select = -c(LAT, LON, LAST:MARITAL, BIRTHPLACE, ADDRESS.x, ZIP.x:PROVIDER, TOTAL_CLAIM_COST, ETHNICITY))
#Changes the name of the column from name to PAYER_NAME
colnames(combined_payers)[which(names(combined_payers) == 'NAME')] <- 'PAYER_NAME'
# Change reason code column to be the new cost after insurance column
colnames(combined_payers)[which(names(combined_payers) == 'REASONCODE')] <- 'AFTER_INSURANCE'
# Making no-insurance designation consistent along with fixing titles on data set itself
for(i in 1:length(combined_payers$BIRTHDATE)){
if (combined_payers$PAYER_NAME[i] == "NO_INSURANCE"){
combined_payers$PAYER_NAME[i] = "No Insurance"
}
if (combined_payers$ENCOUNTERCLASS[i] == "urgentcare"){
combined_payers$ENCOUNTERCLASS[i] = "Urgent Care"
}
if (combined_payers$GENDER[i] == "M"){
combined_payers$GENDER[i] = "Male"
}
if (combined_payers$GENDER[i] == "F"){
combined_payers$GENDER[i] = "Female"
}
}
for(i in 1:length(combined_payers$BIRTHDATE)){
# Calculate a column for the estimated cost after insurance
combined_payers$AFTER_INSURANCE[i] = combined_payers$BASE_ENCOUNTER_COST[i] - combined_payers$PAYER_COVERAGE[i]
if (combined_payers$AFTER_INSURANCE[i] < 0){
combined_payers$AFTER_INSURANCE[i] = 0
}
# Convert strings to title case for better visual appeal
combined_payers$ENCOUNTERCLASS[i] = str_to_title(combined_payers$ENCOUNTERCLASS[i]) #Capitalize encounter classes to make UI look good
combined_payers$RACE[i] = str_to_title(combined_payers$RACE[i])
combined_payers$DESCRIPTION[i] = str_to_title(combined_payers$DESCRIPTION[i])
combined_payers$PAYER_NAME[i] = str_to_title(combined_payers$PAYER_NAME[i])
}
```
# AGE CALCULATIONS
```{r}
# Change prefix column to be the new age column
colnames(combined_payers)[which(names(combined_payers) == 'PREFIX')] <- 'AGE'
# Set today's date
Todays_Date = as.Date(anydate("2024-01-01"))
for(i in 1:length(combined_payers$BIRTHDATE)){
Pat_Birth_Date = anydate(combined_payers$BIRTHDATE[i])
# Patients without death date (alive)
if (combined_payers$DEATHDATE[i] == ""){
Age = floor(age_calc(Pat_Birth_Date, enddate = Todays_Date, units = "years"))
combined_payers$AGE[i] = Age
# Patients with death date (dead)
} else {
Death_Date = anydate(combined_payers$DEATHDATE[i])
Age = floor(age_calc(Pat_Birth_Date, enddate = Death_Date, units = "years"))
combined_payers$AGE[i] = Age
}
}
```
# Define Age Classes
```{r}
# Redefining the "FIRST" column to be the new "AGECLASS" column
colnames(combined_payers)[which(names(combined_payers) == 'FIRST')] <- 'AGECLASS'
# Assign the correct age class for each observation of the age column
for(i in 1:length(combined_payers$AGE)){
Pat_Age = combined_payers$AGE[i]
if (Pat_Age < 20) {
combined_payers$AGECLASS[i] = "0-20"
}
else if (Pat_Age >= 20 && Pat_Age < 30){
combined_payers$AGECLASS[i] = "20-29"
}
else if (Pat_Age >= 30 && Pat_Age < 40){
combined_payers$AGECLASS[i] = "30-39"
}
else if (Pat_Age >= 40 && Pat_Age < 50){
combined_payers$AGECLASS[i] = "40-49"
}
else if (Pat_Age >= 50 && Pat_Age < 60){
combined_payers$AGECLASS[i] = "50-59"
}
else if (Pat_Age >= 60 && Pat_Age < 70){
combined_payers$AGECLASS[i] = "60-69"
}
else if (Pat_Age >= 70 && Pat_Age < 80){
combined_payers$AGECLASS[i] = "70-79"
}
else if (Pat_Age >= 80){
combined_payers$AGECLASS[i] = "80+"
}
}
```
# Defining drop-down filters & options
```{r}
# Create lists that store the drop down filter information for each attribute
Locations = unique(combined_payers$COUNTY)
Genders = unique(combined_payers$GENDER)
Races = str_to_title(unique(combined_payers$RACE))
Encounter_Types = unique(combined_payers$ENCOUNTERCLASS)
Insurance_Types = str_to_title(unique(combined_payers$PAYER_NAME))
Ages = str_sort(unique(combined_payers$AGECLASS))
Compare_By = c("", "Location", "Gender", "Age", "Race", "Encounter Class", "Visit Type", "Insurance")
Visit_Types = str_to_title(unique(combined_payers$DESCRIPTION))
# Visit Types will be filtered further based on user inputs (server)
```
# Gather Visit Types by Encounter Class
```{r}
# Group each visit type by its encounter class
for (i in 1:length(Encounter_Types)){
current = unique(subset(combined_payers, ENCOUNTERCLASS==Encounter_Types[i],select=c("ENCOUNTERCLASS","DESCRIPTION")))
if (Encounter_Types[i]== "Ambulatory"){
Ambulatory_VT = current$DESCRIPTION
}
else if (Encounter_Types[i]== "Wellness"){
Wellness_VT = current$DESCRIPTION
}
else if (Encounter_Types[i]== "Inpatient"){
Inpatient_VT = current$DESCRIPTION
}
else if (Encounter_Types[i]== "Urgent Care"){
UrgentCare_VT = current$DESCRIPTION
}
else if (Encounter_Types[i]== "Outpatient"){
Outpatient_VT = current$DESCRIPTION
}
else if (Encounter_Types[i]== "Emergency"){
Emergency_VT = current$DESCRIPTION
}
}
```
# UI Builder
```{r}
ui <- fluidPage(theme = shinytheme("flatly"),
titlePanel(h1("Massachusetts Estimated Medical Cost Finder", align = 'center', style = "font-size:32px;")),
sidebarLayout(position='left',
sidebarPanel(
p("Instructions: Please select your desired input for each category using the drop-down menus below. Please select inputs in order. The 'All' option gives an average result for all of the options in that category combined.", style = "font-size:16px;"),
p(h1("", style = "font-size:32px;")),
selectInput(inputId = 'Location',
label = 'Location:',
choices = c("", "All", Locations),
selected = NULL),
selectInput(inputId = 'Gender',
label = 'Gender:',
choices = c("", "All", Genders),
selected = NULL),
selectInput(inputId = 'Age',
label = 'Age Range (in years):',
choices = c("", "All", Ages),
selected = NULL),
selectInput(inputId = 'Race',
label = 'Race:',
choices = c("", "All", Races),
selected = NULL),
selectInput(inputId = 'EncounterClass',
label = 'Encounter Class:',
choices = c("", "All", Encounter_Types),
selected = NULL),
selectInput(inputId = 'VisitType',
label = 'Visit Reason:',
choices = c("", "All", Emergency_VT),
selected = NULL),
selectInput(inputId = 'Insurance',
label = 'Insurance Company:',
choices = c("", "All", Insurance_Types),
selected = NULL),
selectInput(inputId = 'CompareBy',
label = 'Compare Results By:',
choices = Compare_By,
selected = NULL),
width = 3
),
mainPanel(
br(),
plotOutput("FilterPlot"),
br(),
plotOutput("InsPlot"),
h2("Based on the inputs you provided, here are your estimated costs:", align = 'left', style = "font-size:25px;"),
textOutput("Base_Cost"), tags$head(tags$style("#Base_Cost{color: black; font-size: 20px;font-style: bold;}")),
textOutput("After_Ins_Cost"), tags$head(tags$style("#After_Ins_Cost{color: black; font-size: 20px;font-style: bold;}")),
br(),
br(),
)
)
)
# --------------------- SERVER FUNCTION ----------------------------------------
server = function(input, output, session){
# Make Visit Type drop-down options dependent on Encounter Class user-input-----
observeEvent(input$EncounterClass, {
if (input$EncounterClass == "Ambulatory"){
updateSelectInput(session, "VisitType", choices = c("All", Ambulatory_VT))
}
else if (input$EncounterClass == "Wellness"){
updateSelectInput(session, "VisitType", choices = c("All", Wellness_VT))
}
else if (input$EncounterClass == "Inpatient"){
updateSelectInput(session, "VisitType", choices = c("All", Inpatient_VT))
}
else if (input$EncounterClass == "Urgent Care"){
updateSelectInput(session, "VisitType", choices = c("All", UrgentCare_VT))
}
else if (input$EncounterClass == "Outpatient"){
updateSelectInput(session, "VisitType", choices = c("All", Outpatient_VT))
}
else if (input$EncounterClass == "Emergency"){
updateSelectInput(session, "VisitType", choices = c("All", Emergency_VT))
}
else if (input$EncounterClass == "All"){
updateSelectInput(session, "VisitType", choices = "All")
}
})
# Filtering data frame by filters to calculate two output costs------------------
Base_Cost <- reactiveVal()
After_Ins_Cost <- reactiveVal()
filters <- reactive({list(input$Location,input$Gender, input$Age, input$Race,input$EncounterClass, input$VisitType, input$Insurance)})
observeEvent(filters(), {
if (input$Location != "All"){
costs_filtered_df <- subset(combined_payers, COUNTY == input$Location)
c_df1 <- costs_filtered_df #update usable df for next if statement
} else (c_df1 <- combined_payers) #if no filtering, keep same df
if (input$Gender != "All"){
costs_filtered_df <- subset(c_df1, GENDER == input$Gender)
c_df2 <- costs_filtered_df #update usable df for next if statement
} else {c_df2 <- c_df1} #if no filtering, keep same df
if (input$Age != "All"){
costs_filtered_df <- subset(c_df2, AGECLASS == input$Age)
c_df3 <- costs_filtered_df #update usable df for next if statement
} else {c_df3 <- c_df2} #if no filtering, keep same df
if (input$Race != "All"){
costs_filtered_df <- subset(c_df3, RACE == input$Race)
c_df4 <- costs_filtered_df #update usable df for next if statement
} else {c_df4 <- c_df3} #if no filtering, keep same df
if (input$EncounterClass != "All"){
costs_filtered_df <- subset(c_df4, ENCOUNTERCLASS == input$EncounterClass)
c_df5 <- costs_filtered_df #update usable df for next if statement
} else {c_df5 <- c_df4} #if no filtering, keep same df
if (input$Insurance != "All"){
costs_filtered_df <- subset(c_df5, PAYER_NAME == input$Insurance)
c_df6 <- costs_filtered_df #update usable df for next if statement
} else {c_df6 <- c_df5} #if no filtering, keep same df
if (input$VisitType != "All"){
costs_filtered_df <- subset(c_df6, DESCRIPTION == input$VisitType)
c_df7 <- costs_filtered_df #update usable df for next if statement
} else {c_df7 <- c_df6} #if no filtering, keep same df
c_df7
Base_Cost = ceiling(colMeans(c_df7['BASE_ENCOUNTER_COST']))
After_Ins_Cost = ceiling(colMeans(c_df7['AFTER_INSURANCE']))
output$Base_Cost <- renderText({
if (Base_Cost == 'NaN'){
paste("Estimated Base Cost: Please update the selected inputs. There is no data found.")
}
else
paste0("Estimated Base Cost: $", Base_Cost)
})
output$After_Ins_Cost <- renderText({
if (After_Ins_Cost == 'NaN'){
paste("Estimated Cost after Insurance: Please update the selected inputs. There is no data found.")
}
else
paste0("Estimated Cost After Insurance: $", After_Ins_Cost)
})
})
# Handling "Compare By" and "All" for PLOTTING DATAFRAME ONLY-------------------
filter_plot <- reactive({
req(input$CompareBy)
if (input$CompareBy != "Location" & input$Location != "All"){
filtered_df <- subset(combined_payers, COUNTY == input$Location)
df1 <- filtered_df #update usable df for next if statement
} else (df1 <- combined_payers) #if no filtering, keep same df
if (input$CompareBy != "Gender" & input$Gender != "All"){
filtered_df <- subset(df1, GENDER == input$Gender)
df2 <- filtered_df #update usable df for next if
} else {df2 <- df1} #if no filtering, keep same df
if (input$CompareBy != "Age" & input$Age != "All"){
filtered_df <- subset(df2, AGECLASS == input$Age)
df3 <- filtered_df #update usable df for next if
} else {df3 <- df2} #if no filtering, keep same df
if (input$CompareBy != "Race" & input$Race != "All"){
filtered_df <- subset(df3, RACE == input$Race)
df4 <- filtered_df #update usable df for next if
} else {df4 <- df3} #if no filtering, keep same df
if (input$CompareBy != "Encounter Class" & input$EncounterClass != "All"){
filtered_df <- subset(df4, ENCOUNTERCLASS == input$EncounterClass)
df5 <- filtered_df #update usable df for next if
} else {df5 <- df4} #if no filtering, keep same df
if (input$CompareBy != "Visit Type" & input$Insurance != "All"){
filtered_df <- subset(df5, PAYER_NAME == input$Insurance)
df6 <- filtered_df #update usable df for next if
} else {df6 <- df5} #if no filtering, keep same df
if (input$CompareBy != "Insurance" & input$VisitType != "All"){
filtered_df <- subset(df6, DESCRIPTION == input$VisitType)
df7 <- filtered_df #update usable df for next if
} else {df7 <- df6} #if no filtering, keep same df
df7
})
# Reassigning Compare By to an actual series for x-series of bar plot-----------
filterBy <- eventReactive(input$CompareBy, {
CompareByLocation = unique(filter_plot()$COUNTY)
CompareByGender = unique(filter_plot()$GENDER)
CompareByAge = unique(filter_plot()$AGECLASS)
CompareByRace = unique(filter_plot()$RACE)
CompareByEncClass = unique(filter_plot()$ENCOUNTERCLASS)
CompareByVisType = unique(filter_plot()$DESCRIPTION)
CompareByInsurance = unique(filter_plot()$PAYER_NAME)
if(input$CompareBy =='Location'){filterBy <- CompareByLocation}
else if (input$CompareBy =='Gender'){filterBy <- CompareByGender}
else if (input$CompareBy =='Age'){filterBy <- CompareByAge}
else if (input$CompareBy =='Race'){filterBy <- CompareByRace}
else if (input$CompareBy =='Encounter Class'){filterBy <- CompareByEncClass}
else if (input$CompareBy =='Visit Type'){filterBy <- CompareByVisType}
else if (input$CompareBy =='Insurance'){filterBy <- CompareByInsurance}
})
# Calculate mean base cost for each x-series element--------------------------
cost_vals <- reactive({
req(input$CompareBy)
if(input$CompareBy =='Location'){
y1 <- filter_plot() %>% group_by(COUNTY) %>% summarise(Cost = mean(BASE_ENCOUNTER_COST))}
else if (input$CompareBy =='Gender'){
y1 <- filter_plot() %>% group_by(GENDER) %>% summarise(Cost = mean(BASE_ENCOUNTER_COST))}
else if (input$CompareBy =='Age'){
y1 <- filter_plot() %>% group_by(AGECLASS) %>% summarise(Cost = mean(BASE_ENCOUNTER_COST))}
else if (input$CompareBy =='Race'){
y1 <- filter_plot() %>% group_by(RACE) %>% summarise(Cost = mean(BASE_ENCOUNTER_COST))}
else if (input$CompareBy =='Encounter Class'){
y1 <- filter_plot() %>% group_by(ENCOUNTERCLASS) %>% summarise(Cost = mean(BASE_ENCOUNTER_COST))}
else if (input$CompareBy =='Visit Type'){
y1 <- filter_plot() %>% group_by(DESCRIPTION) %>% summarise(Cost = mean(BASE_ENCOUNTER_COST))}
else if (input$CompareBy =='Insurance'){
y1 <- filter_plot() %>% group_by(PAYER_NAME) %>% summarise(Cost = mean(BASE_ENCOUNTER_COST))}
if(input$CompareBy =='Location'){
y2 <- filter_plot() %>% group_by(COUNTY) %>% summarise(Cost = mean(AFTER_INSURANCE))}
else if (input$CompareBy =='Gender'){
y2 <- filter_plot() %>% group_by(GENDER) %>% summarise(Cost = mean(AFTER_INSURANCE))}
else if (input$CompareBy =='Age'){
y2 <- filter_plot() %>% group_by(AGECLASS) %>% summarise(Cost = mean(AFTER_INSURANCE))}
else if (input$CompareBy =='Race'){
y2 <- filter_plot() %>% group_by(RACE) %>% summarise(Cost = mean(AFTER_INSURANCE))}
else if (input$CompareBy =='Encounter Class'){
y2 <- filter_plot() %>% group_by(ENCOUNTERCLASS) %>% summarise(Cost = mean(AFTER_INSURANCE))}
else if (input$CompareBy =='Visit Type'){
y2 <- filter_plot() %>% group_by(DESCRIPTION) %>% summarise(Cost = mean(AFTER_INSURANCE))}
else if (input$CompareBy =='Insurance'){
y2 <- filter_plot() %>% group_by(PAYER_NAME) %>% summarise(Cost = mean(AFTER_INSURANCE))}
df1 = data.frame(y1,Cost_Type=rep(c("Base Cost"),each=nrow(y1)))
colnames(df1)[1] = "x"
df2 = data.frame(y2,Cost_Type=rep(c("Cost After Insurance"),each=nrow(y2)))
colnames(df2)[1] = "x"
df = rbind(df1, df2)
df = data.frame(df)
df
})
# Update comparison plot with any new input------------------------------------------------
output$FilterPlot <- renderPlot({
req(cost_vals())
data = cost_vals()
ggplot(data, aes(x = x, y= Cost, fill=Cost_Type)) +
geom_col(position=position_dodge()) + #Makes a dodged plot, or a group bar plot
labs(title="Filtered Cost Estimations", x="Selected Comparison Attribute", y="Cost Estimation ($)", fill = "Type of Cost:") +
#Adds titles
theme(plot.title = element_text(hjust = 0.5,size=22)) +
theme(text = element_text(size = 15), axis.text.x = element_text(angle = -35, vjust = 1, hjust = 0), legend.position = "bottom") + #Changing text size and position
geom_text(aes(label= round(Cost, 1)), position=position_dodge(0.9), vjust = -0.5) #This adds the cost values above each bar
})
#Create the Compare by Insurance Plot ------------------------------
ins_filter_df <- reactive({
if (input$Location != "All"){
ins_filtered_df <- subset(combined_payers, COUNTY == input$Location)
i_df1 <- ins_filtered_df #update usable df for next if statement
} else (i_df1 <- combined_payers) #if no filtering, keep same df
if (input$Gender != "All"){
ins_filtered_df <- subset(i_df1, GENDER == input$Gender)
i_df2 <- ins_filtered_df #update usable df for next if
} else {i_df2 <- i_df1} #if no filtering, keep same df
if (input$Age != "All"){
ins_filtered_df <- subset(i_df2, AGECLASS == input$Age)
i_df3 <- ins_filtered_df #update usable df for next if
} else {i_df3 <- i_df2} #if no filtering, keep same df
if (input$Race != "All"){
ins_filtered_df <- subset(i_df3, RACE == input$Race)
i_df4 <- ins_filtered_df #update usable df for next if
} else {i_df4 <- i_df3} #if no filtering, keep same df
if (input$EncounterClass != "All"){
ins_filtered_df <- subset(i_df4, ENCOUNTERCLASS == input$EncounterClass)
i_df5 <- ins_filtered_df #update usable df for next if
} else {i_df5 <- i_df4} #if no filtering, keep same df
if (input$VisitType != "All"){
ins_filtered_df <- subset(i_df5, DESCRIPTION == input$VisitType)
i_df6 <- ins_filtered_df #update usable df for next if
} else {i_df6 <- i_df5} #if no filtering, keep same df
i_df6
})
#Create data frame with the information for the insurance plot
ins_vals <- reactive({
req(input$CompareBy)
y3 <- ins_filter_df() %>% group_by(PAYER_NAME) %>% summarise(Aft_Ins_Cost = mean(AFTER_INSURANCE))
y3
})
# Create x series
ins_v <- reactive({
CompareByInsurance_x = unique(ins_filter_df()$PAYER_NAME)
CompareByInsurance_x
})
# Create the insurance plot
output$InsPlot <- renderPlot({
req(ins_vals())
ggplot(ins_vals(), aes(x=ins_v(), y=Aft_Ins_Cost)) +
geom_bar(stat="identity", fill = "skyblue1") +
labs(title="Cost Estimations by Insurance Type", x="Insurance Company", y="Cost After Insurance ($)") +
theme(plot.title = element_text(hjust = 0.5, size=22)) +
theme(text = element_text(size = 15), axis.text.x = element_text(angle = -35, vjust = 1, hjust = 0)) +
geom_text(aes(label= round(Aft_Ins_Cost, 1)), vjust = -0.5)
})
}
shinyApp(ui = ui, server = server)
```