knitr::opts_chunk$set(echo = TRUE, message = FALSE, warning = FALSE)
library(readxl)
library(dplyr)
##
## Attaching package: 'dplyr'
## The following objects are masked from 'package:stats':
##
## filter, lag
## The following objects are masked from 'package:base':
##
## intersect, setdiff, setequal, union
library(ggplot2)
library(knitr)
# Load the data
Upper626 <- read_excel("C:/Users/Franco Castagliuolo/OneDrive - Bentley University/Neers 24/Pitchers/Upper 626/Upper 626.xlsx")
# Filter the data for the pitcher William Jaun
William_Jaun_data <- Upper626 %>%
filter(Pitcher == "Jaun, William")
# Create a detailed table for each pitch
detailed_pitch_table <- William_Jaun_data %>%
select(AutoPitchType, RelSpeed, SpinRate, SpinAxis, HorzBreak, InducedVertBreak, PitchCall, RelHeight, RelSide, Extension) %>%
rename(
ReleaseSpeed = RelSpeed,
Tilt = SpinAxis,
HorizontalBreak = HorzBreak,
InducedVerticalBreak = InducedVertBreak,
ReleaseHeight = RelHeight,
ReleaseSide = RelSide
) %>%
mutate(
ReleaseSpeed = round(ReleaseSpeed, 2),
SpinRate = round(SpinRate, 2),
Tilt = round(Tilt, 2),
HorizontalBreak = round(HorizontalBreak, 2),
InducedVerticalBreak = round(InducedVerticalBreak, 2),
ReleaseHeight = round(ReleaseHeight, 2),
ReleaseSide = round(ReleaseSide, 2),
Extension = round(Extension, 2),
ClockTilt = round((Tilt / 30) %% 12, 1) # Interpret Tilt as clock face
)
# Display the detailed table
knitr::kable(detailed_pitch_table, caption = "Detailed Pitch Table for William Jaun")
Detailed Pitch Table for William Jaun
Cutter |
87.91 |
2195.84 |
196.53 |
1.33 |
5.68 |
StrikeCalled |
5.24 |
-1.01 |
5.21 |
6.6 |
Sinker |
90.05 |
2265.42 |
128.72 |
-28.79 |
24.37 |
BallCalled |
6.04 |
-2.01 |
5.05 |
4.3 |
NA |
73.13 |
2360.76 |
NA |
NA |
NA |
BallCalled |
6.08 |
-1.39 |
4.80 |
NA |
Four-Seam |
88.39 |
2214.96 |
139.37 |
-17.53 |
21.71 |
StrikeSwinging |
5.80 |
-1.82 |
5.30 |
4.6 |
Changeup |
82.16 |
1518.25 |
156.26 |
-7.43 |
18.36 |
BallCalled |
5.82 |
-1.48 |
5.54 |
5.2 |
Sinker |
89.09 |
2194.79 |
136.33 |
-16.77 |
18.87 |
FoulBallNotFieldable |
5.94 |
-1.82 |
5.36 |
4.5 |
Sinker |
89.05 |
2207.31 |
134.55 |
-10.93 |
12.01 |
BallCalled |
5.54 |
-1.66 |
5.46 |
4.5 |
Curveball |
74.62 |
2378.27 |
303.80 |
8.94 |
-4.08 |
BallCalled |
5.95 |
-1.62 |
5.01 |
10.1 |
Four-Seam |
88.24 |
2274.27 |
137.93 |
-15.07 |
18.07 |
FoulBallNotFieldable |
5.72 |
-1.90 |
5.27 |
4.6 |
Sinker |
88.42 |
2219.09 |
133.28 |
-18.03 |
18.38 |
StrikeSwinging |
5.73 |
-2.07 |
5.31 |
4.4 |
Sinker |
89.56 |
2344.29 |
133.23 |
-14.75 |
15.15 |
StrikeCalled |
5.62 |
-1.80 |
5.44 |
4.4 |
NA |
88.34 |
2239.70 |
NA |
NA |
NA |
StrikeCalled |
6.00 |
-1.90 |
5.27 |
NA |
Curveball |
75.78 |
2401.80 |
328.36 |
8.35 |
-11.87 |
StrikeCalled |
5.79 |
-1.58 |
5.20 |
10.9 |
Four-Seam |
88.45 |
2235.30 |
144.83 |
-11.64 |
17.85 |
BallCalled |
5.78 |
-1.86 |
5.45 |
4.8 |
Curveball |
74.09 |
2333.17 |
285.83 |
7.33 |
-0.17 |
BallCalled |
6.05 |
-1.57 |
5.27 |
9.5 |
Four-Seam |
88.85 |
2261.85 |
146.19 |
-14.31 |
22.76 |
StrikeSwinging |
5.92 |
-1.80 |
5.33 |
4.9 |
Four-Seam |
89.50 |
2246.81 |
138.94 |
-15.71 |
19.37 |
StrikeCalled |
5.75 |
-2.00 |
5.41 |
4.6 |
Curveball |
75.53 |
2422.43 |
298.05 |
15.01 |
-6.22 |
StrikeCalled |
5.79 |
-1.53 |
5.01 |
9.9 |
Four-Seam |
89.73 |
2298.86 |
135.59 |
-17.16 |
18.88 |
FoulBallNotFieldable |
5.81 |
-2.12 |
5.26 |
4.5 |
NA |
76.62 |
2525.65 |
NA |
NA |
NA |
FoulBallNotFieldable |
6.28 |
-1.39 |
4.90 |
NA |
Sinker |
89.40 |
2291.93 |
124.30 |
-19.02 |
14.19 |
InPlay |
5.71 |
-2.08 |
5.54 |
4.1 |
Sinker |
87.93 |
2070.93 |
121.72 |
-19.20 |
13.03 |
BallCalled |
5.80 |
-1.91 |
5.28 |
4.1 |
Sinker |
88.60 |
2305.77 |
130.97 |
-16.48 |
15.45 |
BallCalled |
5.65 |
-1.84 |
5.36 |
4.4 |
Curveball |
73.79 |
2297.41 |
298.29 |
14.06 |
-5.95 |
StrikeCalled |
5.87 |
-1.35 |
5.23 |
9.9 |
Sinker |
87.77 |
2192.58 |
127.02 |
-14.88 |
12.42 |
StrikeSwinging |
5.63 |
-1.95 |
5.45 |
4.2 |
Four-Seam |
90.27 |
2266.78 |
136.32 |
-15.88 |
17.82 |
StrikeSwinging |
5.79 |
-1.92 |
5.20 |
4.5 |
# Calculate the total number of pitches
total_pitches <- nrow(detailed_pitch_table)
# Create a summary table
pitch_summary <- detailed_pitch_table %>%
group_by(AutoPitchType) %>%
summarise(
TotalPitches = n(),
Usage = sprintf("%.2f%%", n() / total_pitches * 100),
Balls = sum(PitchCall == "BallCalled"),
Strikes = sum(PitchCall != "BallCalled"), # Count everything not a ball as a strike
BallPercentage = sprintf('%.2f%%', Balls / TotalPitches * 100),
StrikePercentage = sprintf('%.2f%%', Strikes / TotalPitches * 100),
AvgVelocity = round(mean(ReleaseSpeed, na.rm = TRUE), 2),
AvgSpinRate = round(mean(SpinRate, na.rm = TRUE), 2),
AvgInducedVertBreak = round(mean(InducedVerticalBreak, na.rm = TRUE), 2),
AvgHorzBreak = round(mean(HorizontalBreak, na.rm = TRUE), 2),
AvgTilt = round(mean(Tilt, na.rm = TRUE), 2),
AvgClockTilt = round(mean(ClockTilt, na.rm = TRUE), 1), # Clock face interpretation
AvgReleaseHeight = round(mean(ReleaseHeight, na.rm = TRUE), 2),
AvgReleaseSide = round(mean(ReleaseSide, na.rm = TRUE), 2),
AvgExtension = round(mean(Extension, na.rm = TRUE), 2)
) %>%
select(AutoPitchType, Usage, everything())
# Display the total number of pitches
cat("Total number of pitches thrown: ", total_pitches, "\n")
## Total number of pitches thrown: 26
# Display the summary table
knitr::kable(pitch_summary, caption = "Summary Pitch Table for William Jaun")
Summary Pitch Table for William Jaun
Changeup |
3.85% |
1 |
1 |
0 |
100.00% |
0.00% |
82.16 |
1518.25 |
18.36 |
-7.43 |
156.26 |
5.2 |
5.82 |
-1.48 |
5.54 |
Curveball |
19.23% |
5 |
2 |
3 |
40.00% |
60.00% |
74.76 |
2366.62 |
-5.66 |
10.74 |
302.87 |
10.1 |
5.89 |
-1.53 |
5.14 |
Cutter |
3.85% |
1 |
0 |
1 |
0.00% |
100.00% |
87.91 |
2195.84 |
5.68 |
1.33 |
196.53 |
6.6 |
5.24 |
-1.01 |
5.21 |
Four-Seam |
26.92% |
7 |
1 |
6 |
14.29% |
85.71% |
89.06 |
2256.98 |
19.49 |
-15.33 |
139.88 |
4.6 |
5.80 |
-1.92 |
5.32 |
Sinker |
34.62% |
9 |
4 |
5 |
44.44% |
55.56% |
88.87 |
2232.46 |
15.99 |
-17.65 |
130.01 |
4.3 |
5.74 |
-1.90 |
5.36 |
NA |
11.54% |
3 |
1 |
2 |
33.33% |
66.67% |
79.36 |
2375.37 |
NaN |
NaN |
NaN |
NaN |
6.12 |
-1.56 |
4.99 |
# Calculate maximum fastball velocity
max_fb_velocity <- detailed_pitch_table %>%
filter(AutoPitchType %in% c("Four-Seam", "Two-Seam", "Sinker", "Cutter")) %>%
summarise(MaxFBVelocity = max(ReleaseSpeed, na.rm = TRUE)) %>%
pull(MaxFBVelocity)
# Display the maximum fastball velocity
cat("William Jaun maximum FB velocity: ", max_fb_velocity, "mph\n")
## William Jaun maximum FB velocity: 90.27 mph
# Prepare data for plotting pitch locations
pitch_location_data <- William_Jaun_data %>%
select(AutoPitchType, PlateLocHeight, PlateLocSide, PitchCall) %>%
rename(
PitchHeight = PlateLocHeight,
PitchSide = PlateLocSide
) %>%
mutate(
SwingTake = ifelse(PitchCall %in% c("StrikeSwinging", "FoulBallNonSwinging", "FoulBallFieldable", "FoulBallNotFieldable", "InPlay"), "Swing", "Take"),
Chase = ifelse(SwingTake == "Swing" & (PitchSide < -0.75 | PitchSide > 0.75 | PitchHeight < 1.5 | PitchHeight > 3.5), "Chase", "Non-Chase")
)
# Create the scatter plot with specified strike zone boxes
ggplot(pitch_location_data, aes(x = PitchSide, y = PitchHeight, color = SwingTake, shape = Chase)) +
geom_point(size = 3) + # Increase point size
geom_rect(aes(xmin = -0.5, xmax = 0.5, ymin = 1.75, ymax = 3.25), fill = NA, color = "red", linetype = "solid", size = 1) + # Red box
geom_rect(aes(xmin = -0.75, xmax = 0.75, ymin = 1.5, ymax = 3.5), fill = NA, color = "black", linetype = "solid", size = 1) + # Black box
geom_rect(aes(xmin = -1.25, xmax = 1.25, ymin = 1.25, ymax = 3.75), fill = NA, color = "gray", linetype = "solid", size = 1) + # Gray box
scale_x_continuous(limits = c(-2, 2)) +
scale_y_continuous(limits = c(0, 5)) +
coord_fixed(ratio = 1) + # Adjust ratio to shrink vertical distance
labs(title = "Pitch Locations for William Jaun",
x = "Horizontal Location (feet)",
y = "Vertical Location (feet)",
color = "Swing/Take",
shape = "Chase") +
facet_wrap(~ AutoPitchType) + # Create individual graphs for each pitch type
theme_minimal() +
theme(
legend.position = "right",
panel.grid.major = element_line(color = "grey80"),
panel.grid.minor = element_line(color = "grey90"),
axis.text = element_text(color = "black"),
axis.title = element_text(color = "black"),
plot.title = element_text(color = "black"),
legend.background = element_rect(fill = "white", color = NA),
legend.key = element_rect(fill = "white", color = NA),
legend.text = element_text(color = "black"),
legend.title = element_text(color = "black")
)

# Create the scatter plot for horizontal and vertical breaks
ggplot(detailed_pitch_table, aes(x = HorizontalBreak, y = InducedVerticalBreak, color = AutoPitchType)) +
geom_point(size = 3) + # Increase point size
labs(title = "Pitch Movement for William Jaun",
x = "Horizontal Break (inches)",
y = "Induced Vertical Break (inches)",
color = "Pitch Type") +
theme_minimal() +
theme(
legend.position = "right",
panel.grid.major = element_line(color = "grey80"),
panel.grid.minor = element_line(color = "grey90"),
axis.text = element_text(color = "black"),
axis.title = element_text(color = "black"),
plot.title = element_text(color = "black"),
legend.background = element_rect(fill = "white", color = NA),
legend.key = element_rect(fill = "white", color = NA),
legend.text = element_text(color = "black"),
legend.title = element_text(color = "black")
)
