Update app.R

app.R

@@ -1,88 +1,88 @@
-#
-# This is a Shiny web application. You can run the application by clicking
-# the 'Run App' button above.
-#
-# Find out more about building applications with Shiny here:
-#
-#    https://shiny.posit.co/
-#
-
-library(shiny)
-library(dplyr)
-library(data.table)
-library(xgboost)
-library(caret)
-# Define UI for application that draws a histogram
-ui <- fluidPage(
-
-    # Application title
-    titlePanel("TimStuff Fastball Calculator"),
-
-    # Sidebar with a slider input for number of bins 
-    sidebarLayout(
-        sidebarPanel(
-            selectInput("phand",
-                        "Hand",
-                        c("R","L")),
-            numericInput("velo",
-                        "Velocity /mph",90),
-            numericInput("ivb",
-                         "Induced Vertical Break (IVB) /in. (IVB)",16),
-            numericInput("hb",
-                         "Horizontal Break (HB) /in. (Pitcher's Perspective)",6),
-            numericInput("spinrate",
-                         "Spin Rate /rpm",2300),
-            numericInput("ext",
-                         "Extension /ft",6),
-            numericInput("spinaxisdiff",
-                         "Spin Axis Difference (-180 - 180) /degrees",0),
-            numericInput("x0","Horizntal Release Point /ft. (Batter's Perspective)",0),
-            numericInput("z0","Vertical Release Point /ft. (Batter's Perspective)", 0),
-            
-            
-        ),
-
-        # Show a plot of the generated distribution
-        mainPanel(
-           textOutput("distPlot")
-        )
-    )
-)
-
-# Define server logic required to draw a histogram
-server <- function(input, output) {
-
-    output$distPlot <- renderText({
-       data <- as.data.frame(5)
-       setnames(data,"5","start_speed")
-       data$start_speed <- input$velo
-       data$IVB <- input$ivb
-       if(input$phand == "L"){
-         data$HB <- input$hb * -1
-       }
-       else{
-       data$HB <- input$hb
-       }
-       data$EAA <- input$ext / 6.3
-       if(input$phand == "L"){
-         data$x0 <- input$x0 * -1
-       }
-       else{
-         data$x0 <- input$x0
-       }
-       data$z0 <- input$z0
-       data$spin_rate <- input$spinrate
-       data$SADiff <- input$spinaxisdiff
-       
-       data <- as.matrix(data)
-       
-       prediction <-predict(FBMod,data)
-       TimStuff <- (50 - (prediction - -0.0004397118)/ 0.2180433 * 10)
-       # FBMod <- xgb.load("FB.model")
-       # vip(FBMod)
-       return(TimStuff)
-    })
-}
-
-# Run the application 
-shinyApp(ui = ui, server = server)
+#
+# This is a Shiny web application. You can run the application by clicking
+# the 'Run App' button above.
+#
+# Find out more about building applications with Shiny here:
+#
+#    https://shiny.posit.co/
+#
+
+library(shiny)
+library(dplyr)
+library(data.table)
+library(xgboost)
+library(caret)
+# Define UI for application that draws a histogram
+ui <- fluidPage(
+
+    # Application title
+    titlePanel("TimStuff Fastball Calculator"),
+
+    # Sidebar with a slider input for number of bins 
+    sidebarLayout(
+        sidebarPanel(
+            selectInput("phand",
+                        "Hand",
+                        c("R","L")),
+            numericInput("velo",
+                        "Velocity /mph",90),
+            numericInput("ivb",
+                         "Induced Vertical Break (IVB) /in. (IVB)",16),
+            numericInput("hb",
+                         "Horizontal Break (HB) /in. (Pitcher's Perspective)",6),
+            numericInput("spinrate",
+                         "Spin Rate /rpm",2300),
+            numericInput("ext",
+                         "Extension /ft",6),
+            numericInput("spinaxisdiff",
+                         "Spin Axis Difference (-180 - 180) /degrees",0),
+            numericInput("x0","Horizntal Release Point /ft. (Batter's Perspective)",0),
+            numericInput("z0","Vertical Release Point /ft. (Batter's Perspective)", 0),
+            
+            
+        ),
+
+        # Show a plot of the generated distribution
+        mainPanel(
+           textOutput("distPlot")
+        )
+    )
+)
+
+# Define server logic required to draw a histogram
+server <- function(input, output) {
+
+    output$distPlot <- renderText({
+       data <- as.data.frame(5)
+       setnames(data,"5","start_speed")
+       data$start_speed <- input$velo
+       data$IVB <- input$ivb
+       if(input$phand == "L"){
+         data$HB <- input$hb * -1
+       }
+       else{
+       data$HB <- input$hb
+       }
+       data$EAA <- input$ext / 6.3
+       if(input$phand == "L"){
+         data$x0 <- input$x0 * -1
+       }
+       else{
+         data$x0 <- input$x0
+       }
+       data$z0 <- input$z0
+       data$spin_rate <- input$spinrate
+       data$SADiff <- input$spinaxisdiff
+       
+       data <- as.matrix(data)
+       FBMod <- xgb.load('FB.Model')
+       prediction <-predict(FBMod,data)
+       TimStuff <- (50 - (prediction - -0.0004397118)/ 0.2180433 * 10)
+       # FBMod <- xgb.load("FB.model")
+       # vip(FBMod)
+       return(TimStuff)
+    })
+}
+
+# Run the application 
+shinyApp(ui = ui, server = server)