Update app.R

app.R

@@ -778,42 +778,60 @@ server <- function(input, output, session) {
           TaggedPitchType %in% c("OneSeamFastBall", "TwoSeamFastBall", "Sinker", "Two-Seam", "One-Seam") ~ "Sinker", 
           TaggedPitchType %in% c("ChangeUp", "Changeup") ~ "Changeup",
           TRUE ~ TaggedPitchType
-        )
-      ) %>%
-      mutate(
+        ),
         # Create necessary indicator variables if they don't exist
-        in_zone = if ("StrikeZoneIndicator" %in% names(.)) StrikeZoneIndicator else 
-          ifelse(!is.na(PlateLocSide) & !is.na(PlateLocHeight) & 
-                   PlateLocSide >= -0.95 & PlateLocSide <= 0.95 &
-                   PlateLocHeight >= 1.6 & PlateLocHeight <= 3.5, 1, 0),
-        is_swing = ifelse(!is.na(PitchCall) & 
-                           PitchCall %in% c("StrikeSwinging", "FoulBall", "FoulBallNotFieldable", "FoulBallFieldable", "InPlay"), 1, 0),
-        is_whiff = if ("WhiffIndicator" %in% names(.)) WhiffIndicator else 
-          ifelse(!is.na(PitchCall) & PitchCall == "StrikeSwinging", 1, 0),
-        chase = if ("Chaseindicator" %in% names(.)) Chaseindicator else
-          ifelse(!is.na(PitchCall) & !is.na(PlateLocSide) & !is.na(PlateLocHeight) &
-                   PitchCall %in% c("StrikeSwinging", "FoulBallNotFieldable", "FoulBall", "InPlay") &
-                   (PlateLocSide < -0.95 | PlateLocSide > 0.95 | PlateLocHeight < 1.6 | PlateLocHeight > 3.5), 1, 0)
+        in_zone = case_when(
+          "StrikeZoneIndicator" %in% names(.) ~ StrikeZoneIndicator,
+          !is.na(PlateLocSide) & !is.na(PlateLocHeight) & 
+            PlateLocSide >= -0.95 & PlateLocSide <= 0.95 &
+            PlateLocHeight >= 1.6 & PlateLocHeight <= 3.5 ~ 1,
+          TRUE ~ 0
+        ),
+        is_swing = case_when(
+          !is.na(PitchCall) & PitchCall %in% c("StrikeSwinging", "FoulBall", "FoulBallNotFieldable", "FoulBallFieldable", "InPlay") ~ 1,
+          TRUE ~ 0
+        ),
+        is_whiff = case_when(
+          "WhiffIndicator" %in% names(.) ~ WhiffIndicator,
+          !is.na(PitchCall) & PitchCall == "StrikeSwinging" ~ 1,
+          TRUE ~ 0
+        ),
+        chase = case_when(
+          "Chaseindicator" %in% names(.) ~ Chaseindicator,
+          !is.na(PitchCall) & !is.na(PlateLocSide) & !is.na(PlateLocHeight) &
+            PitchCall %in% c("StrikeSwinging", "FoulBallNotFieldable", "FoulBall", "InPlay") &
+            (PlateLocSide < -0.95 | PlateLocSide > 0.95 | PlateLocHeight < 1.6 | PlateLocHeight > 3.5) ~ 1,
+          TRUE ~ 0
+        )
       )
     
     # Calculate total pitches for usage percentage
     total_pitches <- nrow(movement_stats)
     
+    # Check if required columns exist
+    has_extension <- "Extension" %in% names(movement_stats)
+    has_spinrate <- "SpinRate" %in% names(movement_stats)
+    has_relheight <- "RelHeight" %in% names(movement_stats)
+    
     summary_stats <- movement_stats %>%
       group_by(`Pitch Type` = pitch_group) %>%
       summarise(
         Count = n(),
         `Usage%` = sprintf("%.1f%%", (n() / total_pitches) * 100),
-        `Ext.` = if ("Extension" %in% names(.)) sprintf("%.1f", mean(Extension, na.rm = TRUE)) else "—",
+        `Ext.` = if (has_extension) sprintf("%.1f", mean(Extension, na.rm = TRUE)) else "—",
         `Avg Velo` = sprintf("%.1f mph", mean(RelSpeed, na.rm = TRUE)),
         `90th Velo` = sprintf("%.1f mph", quantile(RelSpeed, 0.9, na.rm = TRUE)),
         `Max Velo` = sprintf("%.1f mph", max(RelSpeed, na.rm = TRUE)),
         `Avg IVB` = sprintf("%.1f in", mean(InducedVertBreak, na.rm = TRUE)),
         `Avg HB` = sprintf("%.1f in", mean(HorzBreak, na.rm = TRUE)),
-        `Avg Spin` = if ("SpinRate" %in% names(.)) sprintf("%.0f rpm", mean(SpinRate, na.rm = TRUE)) else "—",
-        `Rel Height` = if ("RelHeight" %in% names(.)) sprintf("%.1f", mean(RelHeight, na.rm = TRUE)) else "—",
+        `Avg Spin` = if (has_spinrate) sprintf("%.0f rpm", mean(SpinRate, na.rm = TRUE)) else "—",
+        `Rel Height` = if (has_relheight) sprintf("%.1f", mean(RelHeight, na.rm = TRUE)) else "—",
         `Zone%` = sprintf("%.1f%%", round(mean(in_zone, na.rm = TRUE) * 100, 1)),
-        `Whiff%` = sprintf("%.1f%%", round(sum(is_whiff, na.rm = TRUE) / sum(is_swing, na.rm = TRUE) * 100, 1)),
+        `Whiff%` = if(sum(is_swing, na.rm = TRUE) > 0) {
+          sprintf("%.1f%%", round(sum(is_whiff, na.rm = TRUE) / sum(is_swing, na.rm = TRUE) * 100, 1))
+        } else {
+          "—"
+        },
         `Chase%` = sprintf("%.1f%%", round(mean(chase, na.rm = TRUE) * 100, 1)),
         .groups = "drop"
       ) %>%
@@ -959,5 +977,5 @@ server <- function(input, output, session) {
     }
   )
 }
-                                               
+# Run the app
 shinyApp(ui = ui, server = server)