Update app.R

app.R

@@ -6,6 +6,37 @@ library(caret)
 library(shinythemes)
 library(ggplot2)
 
+# Add sample pitcher data - you'll want to replace this with your actual data
+# pitcher_data <- data.frame(
+#   pitcher_name = c("Pitcher A", "Pitcher A", "Pitcher B", "Pitcher B"),
+#   pitch_name = c("Fastball", "Slider", "Fastball", "Curveball"),
+#   velo = c(95, 85, 92, 78),
+#   ivb = c(16, 2, 15, -5),
+#   hb = c(6, 2, 5, -8),
+#   spinrate = c(2300, 2500, 2200, 2400),
+#   ext = c(6.3, 6.2, 6.5, 6.4),
+#   spinaxisdiff = c(0, 5, -2, 8),
+#   x0 = c(-1.5, -1.6, -1.4, -1.3),
+#   z0 = c(5, 4.8, 5.2, 5.1),
+#   phand = c("R", "R", "L", "L")
+# )
+MLB24T <- read.csv("MLB24T.csv", header = TRUE, check.names = FALSE, fileEncoding = "UTF-8")
+
+pitcher_data <- MLB24T %>%
+  group_by(`Pitcher Name`,pitch_name,phand) %>%
+  summarise(
+    "start_speed" = mean(start_speed,na.rm = TRUE),
+    "IVB" = mean(IVB,na.rm = TRUE),
+    "HB" = mean(HB,na.rm = TRUE) ,
+    "EAA" = mean(EAA,na.rm = TRUE) ,
+    "x0" = mean(x0,na.rm = TRUE) ,
+    "z0" = mean(z0, na.rm = TRUE) ,
+    "spin_rate" = mean(spin_rate,na.rm = TRUE),
+    "SADiff" = mean(SADiff,na.rm = TRUE)
+  )
+
+
+
 calculate_timstuff <- function(data) {
   data_matrix <- as.matrix(data)
   mod <- xgb.load('TimStuff2.model')
@@ -22,18 +53,32 @@ ui <- fluidPage(
   sidebarLayout(
     sidebarPanel(
       width = 4,
-      radioButtons("phand", "Hand", choices = c("R", "L"), inline = TRUE),
-      numericInput("velo", "Velocity (mph)", value = 95, min = 70, max = 110, step = 1),
-      numericInput("ivb", "Induced Vertical Break (in.) (Pitcher's Perspective)", value = 16, min = -30, max = 30, step = 0.1),
-      numericInput("hb", "Horizontal Break (in.) (Pitcher's Perspective)", value = 6, min = -25, max = 25, step = 0.1),
-      numericInput("spinrate", "Spin Rate (rpm)", value = 2300, min = 1000, max = 3500, step = 10),
-      numericInput("ext", "Extension (ft)", value = 6.3, min = 5, max = 8, step = 0.1),
-      numericInput("spinaxisdiff", "Spin Axis Difference (°) (Spin Axis - Inferred Spin Axis)", value = 0, min = -180, max = 180, step = 1),
-      numericInput("x0", "Horizontal Release Point (ft) (Catcher's Perspective)", value = -1.5, min = -5, max = 5, step = 0.1),
-      numericInput("z0", "Vertical Release Point (ft)", value = 5, min = 3, max = 8, step = 0.1),
-      #numericInput("primvelo", "Average Velocity of Primary Pitch", value = 95, min = 70, max = 110, step = 1),
-      #numericInput("primIVB", "Average IVB of Primary Pitch", value = 16, min = -30, max = 30, step = 0.1),
-      #numericInput("primHB", "Average HB of Primary Pitch", value = 6, min = -25, max = 25, step = 0.1),
+      
+      # Add pitcher selection
+      selectInput("pitcher_select", "Select Pitcher",
+                  choices = c("Custom Input", unique(pitcher_data$`Pitcher Name`))),
+      
+      # Add pitch type selection - will be dynamically updated based on pitcher
+      conditionalPanel(
+        condition = "input.pitcher_select != 'Custom Input'",
+        selectInput("pitch_select", "Select Pitch Type",
+                    choices = NULL)  # Will be updated in server
+      ),
+      
+      # Original inputs wrapped in conditional panel
+      conditionalPanel(
+        condition = "input.pitcher_select == 'Custom Input'",
+        radioButtons("phand", "Hand", choices = c("R", "L"), inline = TRUE),
+        numericInput("velo", "Velocity (mph)", value = 95, min = 70, max = 110, step = 1),
+        numericInput("ivb", "Induced Vertical Break (in.) (Pitcher's Perspective)", value = 16, min = -30, max = 30, step = 0.1),
+        numericInput("hb", "Horizontal Break (in.) (Pitcher's Perspective)", value = 6, min = -25, max = 25, step = 0.1),
+        numericInput("spinrate", "Spin Rate (rpm)", value = 2300, min = 1000, max = 3500, step = 10),
+        numericInput("ext", "Extension (ft)", value = 6.3, min = 5, max = 8, step = 0.1),
+        numericInput("spinaxisdiff", "Spin Axis Difference (°)", value = 0, min = -180, max = 180, step = 1),
+        numericInput("x0", "Horizontal Release Point (ft)", value = -1.5, min = -5, max = 5, step = 0.1),
+        numericInput("z0", "Vertical Release Point (ft)", value = 5, min = 3, max = 8, step = 0.1)
+      ),
+      
       selectInput("feature_to_vary", "Select Feature to Vary:",
                   choices = c("Velocity" = "start_speed",
                               "Induced Vertical Break" = "IVB",
@@ -55,22 +100,55 @@ ui <- fluidPage(
   )
 )
 
-server <- function(input, output) {
+server <- function(input, output, session) {
+  
+  # Update pitch selections based on pitcher
+  observe({
+    if(input$pitcher_select != "Custom Input") {
+      pitcher_pitches <- pitcher_data %>%
+        filter(`Pitcher Name` == input$pitcher_select) %>%
+        pull(pitch_name) %>%
+        unique()
+      
+      updateSelectInput(session, "pitch_select",
+                        choices = pitcher_pitches)
+    }
+  })
+  
+  # Reactive values for all inputs
   reactive_data <- reactive({
-    data.frame(
-      ishandL = ifelse(input$phand == "L", 1, 0),
-      start_speed = input$velo,
-      IVB = input$ivb,
-      HB = input$hb,
-      EAA = input$ext / 6.3,
-      x0 = input$x0,
-      z0 = input$z0,
-      spin_rate = input$spinrate,
-      SADiff = input$spinaxisdiff
-      #primary_speed = input$primvelo - input$velo,
-      #primary_IVB = input$primIVB - input$ivb,
-      #primary_HB = input$primHB - input$hb
-    )
+    if(input$pitcher_select == "Custom Input") {
+      # Use manual inputs
+      data.frame(
+        ishandL = ifelse(input$phand == "L", 1, 0),
+        start_speed = input$velo,
+        IVB = input$ivb,
+        HB = input$hb,
+        EAA = input$ext / 6.3,
+        x0 = input$x0,
+        z0 = input$z0,
+        spin_rate = input$spinrate,
+        SADiff = input$spinaxisdiff
+      )
+    } else {
+      # Use selected pitcher data
+      pitch_data <- pitcher_data %>%
+        filter(`Pitcher Name` == input$pitcher_select,
+               pitch_name == input$pitch_select) %>%
+        select(-`Pitcher Name`, -pitch_name)
+      
+      data.frame(
+        ishandL = ifelse(pitch_data$phand == "L", 1, 0),
+        start_speed = pitch_data$start_speed,
+        IVB = pitch_data$IVB,
+        HB = pitch_data$HB,
+        EAA = pitch_data$EAA,
+        x0 = pitch_data$x0,
+        z0 = pitch_data$z0,
+        spin_rate = pitch_data$spin_rate,
+        SADiff = pitch_data$SADiff
+      )
+    }
   })
   
   output$stuff <- renderText({