# Filter the data for the pitcher Harry Meehan
Brian_Foley_data <- data %>%
filter(Pitcher == "Meehan, Harry")
# Create a detailed table for each pitch
detailed_pitch_table <- Brian_Foley_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 Harry Meehan")
Detailed Pitch Table for Harry Meehan
| Changeup |
77.11 |
1823.16 |
175.13 |
-1.30 |
16.85 |
StrikeCalled |
5.26 |
0.47 |
5.98 |
5.8 |
| Curveball |
67.35 |
2197.22 |
272.72 |
9.23 |
1.64 |
BallCalled |
5.19 |
0.36 |
5.04 |
9.1 |
| Changeup |
76.75 |
1854.59 |
180.85 |
0.23 |
17.11 |
BallCalled |
5.22 |
0.51 |
5.88 |
6.0 |
| Changeup |
77.02 |
1812.81 |
160.81 |
-5.58 |
17.66 |
BallCalled |
5.24 |
0.26 |
5.78 |
5.4 |
| Changeup |
77.56 |
1799.27 |
155.76 |
-6.87 |
16.88 |
FoulBallNotFieldable |
5.18 |
0.23 |
5.81 |
5.2 |
| Slider |
78.63 |
1787.00 |
154.62 |
-6.44 |
14.97 |
FoulBallNotFieldable |
5.26 |
-0.01 |
5.90 |
5.2 |
| Changeup |
77.35 |
1773.08 |
161.80 |
-4.43 |
15.14 |
FoulBallNotFieldable |
5.14 |
-0.08 |
5.81 |
5.4 |
| Curveball |
66.59 |
2055.85 |
311.39 |
8.20 |
-4.85 |
FoulBallNotFieldable |
5.17 |
0.22 |
5.17 |
10.4 |
| Cutter |
79.69 |
1835.54 |
151.87 |
-9.22 |
18.78 |
InPlay |
5.22 |
0.21 |
5.84 |
5.1 |
| Cutter |
80.14 |
1904.20 |
164.05 |
-4.72 |
17.96 |
StrikeCalled |
5.32 |
0.36 |
5.84 |
5.5 |
| Curveball |
66.02 |
2082.83 |
289.82 |
15.87 |
-3.74 |
BallCalled |
5.27 |
0.10 |
5.32 |
9.7 |
| Slider |
79.15 |
1897.27 |
150.48 |
-9.30 |
17.92 |
StrikeSwinging |
5.32 |
0.44 |
6.11 |
5.0 |
| Slider |
76.56 |
1566.58 |
116.17 |
-15.21 |
9.17 |
BallCalled |
5.12 |
0.12 |
6.18 |
3.9 |
| Curveball |
66.71 |
2052.65 |
291.20 |
15.12 |
-3.73 |
FoulBallNotFieldable |
5.27 |
0.24 |
5.53 |
9.7 |
| Cutter |
79.47 |
1750.03 |
163.19 |
-6.19 |
22.03 |
InPlay |
5.47 |
0.66 |
5.52 |
5.4 |
# 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 %in% c("BallCalled", "BallinDirt")),
Strikes = sum(!PitchCall %in% c("BallCalled", "BallinDirt")), # 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: 15
# Display the summary table
knitr::kable(pitch_summary, caption = "Summary Pitch Table for Harry Meehan")
Summary Pitch Table for Harry Meehan
| Changeup |
33.33% |
5 |
2 |
3 |
40.00% |
60.00% |
77.16 |
1812.58 |
16.73 |
-3.59 |
166.87 |
5.6 |
5.21 |
0.28 |
5.85 |
| Curveball |
26.67% |
4 |
2 |
2 |
50.00% |
50.00% |
66.67 |
2097.14 |
-2.67 |
12.11 |
291.28 |
9.7 |
5.22 |
0.23 |
5.27 |
| Cutter |
20.00% |
3 |
0 |
3 |
0.00% |
100.00% |
79.77 |
1829.92 |
19.59 |
-6.71 |
159.70 |
5.3 |
5.34 |
0.41 |
5.73 |
| Slider |
20.00% |
3 |
1 |
2 |
33.33% |
66.67% |
78.11 |
1750.28 |
14.02 |
-10.32 |
140.42 |
4.7 |
5.23 |
0.18 |
6.06 |
# Calculate maximum fastball velocity
max_fb_velocity <- detailed_pitch_table %>%
filter(AutoPitchType %in% c("Four-Seam", "Sinker", "Cutter")) %>%
summarise(MaxFBVelocity = max(ReleaseSpeed, na.rm = TRUE)) %>%
pull(MaxFBVelocity)
# Display the maximum fastball velocity
cat("Harry Meehan maximum FB velocity: ", max_fb_velocity, "mph\n")
## Harry Meehan maximum FB velocity: 80.14 mph
# Prepare data for plotting pitch locations
pitch_location_data <- Brian_Foley_data %>%
select(AutoPitchType, PlateLocHeight, PlateLocSide, PitchCall) %>%
rename(
PitchHeight = PlateLocHeight,
PitchSide = PlateLocSide
) %>%
mutate(
SwingTake = ifelse(PitchCall %in% c("StrikeSwinging", "FoulBall", "FoulBallFieldable", "FoulBallNotFieldable", "InPlay"), "Swing", "Take"),
Chase = ifelse(SwingTake == "Swing" & (PitchSide < -0.85 | PitchSide > 0.85 | 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) +
geom_rect(aes(xmin = -0.5, xmax = 0.5, ymin = 1.75, ymax = 3.25), fill = NA, color = "red", linetype = "solid", size = 1) +
geom_rect(aes(xmin = -0.85, xmax = 0.85, ymin = 1.5, ymax = 3.5), fill = NA, color = "black", linetype = "solid", size = 1) +
geom_rect(aes(xmin = -1.25, xmax = 1.25, ymin = 1.25, ymax = 3.75), fill = NA, color = "gray", linetype = "solid", size = 1) +
scale_x_continuous(limits = c(-2, 2)) +
scale_y_continuous(limits = c(0, 5)) +
coord_fixed(ratio = 1) +
labs(title = "Pitch Locations for Harry Meehan",
x = "Horizontal Location (feet)",
y = "Vertical Location (feet)",
color = "Swing/Take",
shape = "Chase") +
facet_wrap(~ AutoPitchType) +
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
scale_x_continuous(limits = c(-25, 25)) + # Set horizontal limits to +/- 25 inches
scale_y_continuous(limits = c(-25, 25)) + # Set vertical limits to +/- 25 inches
labs(title = paste("Pitch Movement"),
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")
)
