# Filter the data for the pitcher Jacob Lapham
Brian_Foley_data <- data %>%
filter(Pitcher == "Lapham, Jacob")
# 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 Jacob Lapham")
Detailed Pitch Table for Jacob Lapham
Sinker |
90.38 |
2200.24 |
256.36 |
22.36 |
6.67 |
StrikeCalled |
5.05 |
1.57 |
5.63 |
8.5 |
Curveball |
77.54 |
2073.56 |
158.25 |
-2.58 |
8.31 |
StrikeSwinging |
4.93 |
1.57 |
5.67 |
5.3 |
Sinker |
91.34 |
2098.21 |
226.81 |
16.28 |
16.43 |
FoulBallNotFieldable |
5.24 |
1.38 |
5.83 |
7.6 |
Curveball |
77.03 |
2062.52 |
95.71 |
-7.96 |
2.57 |
StrikeCalled |
5.01 |
1.54 |
5.68 |
3.2 |
Curveball |
77.11 |
2173.86 |
79.85 |
-5.46 |
0.73 |
BallCalled |
4.94 |
1.40 |
5.72 |
2.7 |
Sinker |
90.69 |
2141.24 |
229.34 |
18.98 |
17.62 |
StrikeCalled |
5.29 |
1.31 |
5.57 |
7.6 |
Curveball |
77.15 |
2005.30 |
91.85 |
-6.53 |
2.03 |
FoulBallNotFieldable |
5.09 |
1.50 |
5.64 |
3.1 |
Sinker |
90.73 |
2191.99 |
233.00 |
15.90 |
13.35 |
StrikeCalled |
5.20 |
1.50 |
5.65 |
7.8 |
Sinker |
91.02 |
2097.00 |
248.31 |
16.74 |
7.86 |
BallCalled |
5.06 |
1.60 |
5.77 |
8.3 |
Slider |
77.99 |
2028.70 |
92.35 |
-4.56 |
2.25 |
BallCalled |
5.04 |
1.38 |
5.57 |
3.1 |
Sinker |
89.80 |
2063.23 |
242.27 |
17.99 |
10.72 |
BallCalled |
5.14 |
1.57 |
5.63 |
8.1 |
Sinker |
88.60 |
2020.32 |
223.62 |
13.75 |
15.74 |
BallCalled |
5.10 |
1.66 |
5.73 |
7.5 |
Sinker |
89.31 |
2061.19 |
247.11 |
16.47 |
8.24 |
BallCalled |
5.16 |
1.62 |
5.66 |
8.2 |
Sinker |
89.11 |
2010.52 |
223.27 |
14.55 |
16.82 |
StrikeCalled |
5.31 |
1.52 |
5.73 |
7.4 |
Sinker |
89.82 |
2003.86 |
249.99 |
19.21 |
8.25 |
InPlay |
5.15 |
1.63 |
5.67 |
8.3 |
Sinker |
89.56 |
2008.98 |
246.86 |
18.94 |
9.38 |
BallCalled |
5.12 |
1.78 |
5.51 |
8.2 |
Sinker |
89.40 |
2021.28 |
245.22 |
20.25 |
10.61 |
FoulBallNotFieldable |
5.16 |
1.68 |
5.74 |
8.2 |
Curveball |
77.43 |
2030.11 |
125.02 |
-6.01 |
5.92 |
BallCalled |
4.98 |
1.54 |
5.59 |
4.2 |
Sinker |
89.99 |
2145.58 |
237.23 |
18.23 |
13.06 |
BallCalled |
5.13 |
1.65 |
5.51 |
7.9 |
Sinker |
89.86 |
2084.60 |
225.91 |
14.60 |
15.41 |
InPlay |
5.23 |
1.61 |
5.86 |
7.5 |
Curveball |
77.26 |
1949.31 |
95.80 |
-3.30 |
2.22 |
StrikeSwinging |
4.90 |
1.41 |
5.71 |
3.2 |
Curveball |
76.23 |
1926.45 |
122.66 |
-4.52 |
4.90 |
StrikeCalled |
4.95 |
1.51 |
5.62 |
4.1 |
Sinker |
89.35 |
2158.10 |
235.42 |
17.50 |
13.29 |
StrikeCalled |
5.23 |
1.44 |
5.66 |
7.8 |
Slider |
75.10 |
2126.47 |
109.99 |
-4.39 |
3.29 |
StrikeCalled |
5.09 |
1.63 |
5.57 |
3.7 |
Curveball |
74.24 |
1931.96 |
91.59 |
-2.35 |
1.80 |
BallCalled |
5.06 |
1.40 |
5.56 |
3.1 |
Sinker |
88.49 |
1964.13 |
245.08 |
17.12 |
9.16 |
BallCalled |
5.16 |
1.52 |
5.77 |
8.2 |
Curveball |
73.74 |
2081.80 |
80.69 |
-4.90 |
0.98 |
BallCalled |
5.07 |
1.38 |
5.56 |
2.7 |
Sinker |
88.83 |
1894.44 |
224.59 |
12.61 |
14.05 |
InPlay |
5.11 |
1.46 |
5.80 |
7.5 |
Curveball |
75.36 |
2143.97 |
98.36 |
-9.77 |
3.24 |
StrikeCalled |
5.01 |
1.35 |
5.49 |
3.3 |
Sinker |
87.80 |
2081.46 |
230.34 |
17.76 |
16.02 |
BallCalled |
5.20 |
1.40 |
5.60 |
7.7 |
Slider |
75.20 |
2143.05 |
84.48 |
-4.50 |
1.29 |
BallinDirt |
4.96 |
1.47 |
5.57 |
2.8 |
Sinker |
87.90 |
2029.86 |
248.03 |
19.56 |
9.10 |
BallCalled |
5.07 |
1.60 |
5.55 |
8.3 |
Sinker |
88.18 |
2103.76 |
232.76 |
17.05 |
14.17 |
InPlay |
5.14 |
1.57 |
5.76 |
7.8 |
Sinker |
87.62 |
2065.97 |
253.30 |
19.09 |
6.99 |
BallinDirt |
5.02 |
1.75 |
5.68 |
8.4 |
Sinker |
88.08 |
2109.86 |
235.39 |
19.07 |
14.53 |
InPlay |
5.14 |
1.59 |
5.67 |
7.8 |
Sinker |
89.27 |
2129.70 |
260.84 |
21.26 |
4.68 |
StrikeCalled |
5.06 |
1.67 |
5.50 |
8.7 |
Sinker |
88.12 |
2083.55 |
234.19 |
19.59 |
15.40 |
InPlay |
5.09 |
1.64 |
5.72 |
7.8 |
# 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: 37
# Display the summary table
knitr::kable(pitch_summary, caption = "Summary Pitch Table for Jacob Lapham")
Summary Pitch Table for Jacob Lapham
Curveball |
27.03% |
10 |
4 |
6 |
40.00% |
60.00% |
76.31 |
2037.88 |
3.27 |
-5.34 |
103.98 |
3.5 |
4.99 |
1.46 |
5.62 |
Sinker |
64.86% |
24 |
9 |
15 |
37.50% |
62.50% |
89.30 |
2073.71 |
11.98 |
17.70 |
238.97 |
8.0 |
5.15 |
1.57 |
5.68 |
Slider |
8.11% |
3 |
1 |
2 |
33.33% |
66.67% |
76.10 |
2099.41 |
2.28 |
-4.48 |
95.61 |
3.2 |
5.03 |
1.49 |
5.57 |
# 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("Jacob Lapham maximum FB velocity: ", max_fb_velocity, "mph\n")
## Jacob Lapham maximum FB velocity: 91.34 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", "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) +
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 Jacob Lapham",
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")
)
