# Filter the data for the pitcher Ellison
Ellison_data <- Sanford64 %>%
filter(Pitcher == "Ellison, Chris")
# Create a detailed table for each pitch
detailed_pitch_table <- Ellison_data %>%
select(AutoPitchType, RelSpeed, SpinRate, SpinAxis, HorzBreak, InducedVertBreak, PitchCall) %>%
rename(
ReleaseSpeed = RelSpeed,
Tilt = SpinAxis,
HorizontalBreak = HorzBreak,
InducedVerticalBreak = InducedVertBreak
) %>%
mutate(
ReleaseSpeed = round(ReleaseSpeed, 2),
SpinRate = round(SpinRate, 2),
Tilt = round(Tilt, 2),
HorizontalBreak = round(HorizontalBreak, 2),
InducedVerticalBreak = round(InducedVerticalBreak, 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 Ellison")
Detailed Pitch Table for Ellison
Four-Seam |
90.94 |
2142.25 |
201.41 |
7.00 |
19.00 |
BallCalled |
6.7 |
Curveball |
76.24 |
1989.59 |
110.67 |
-7.33 |
4.37 |
FoulBallNotFieldable |
3.7 |
Curveball |
76.64 |
1904.26 |
88.69 |
-9.88 |
1.36 |
BallCalled |
3.0 |
Four-Seam |
89.21 |
1847.04 |
217.29 |
10.08 |
14.20 |
FoulBallNotFieldable |
7.2 |
Four-Seam |
90.73 |
2071.60 |
213.43 |
8.62 |
14.29 |
InPlay |
7.1 |
Four-Seam |
90.14 |
2055.47 |
218.98 |
11.19 |
15.08 |
BallCalled |
7.3 |
Sinker |
90.48 |
2111.47 |
232.08 |
14.51 |
12.48 |
FoulBallNotFieldable |
7.7 |
Sinker |
91.15 |
2221.41 |
231.48 |
16.54 |
14.26 |
BallCalled |
7.7 |
Slider |
78.39 |
2107.14 |
104.79 |
-6.70 |
3.44 |
BallCalled |
3.5 |
Slider |
78.20 |
2179.59 |
109.75 |
-5.53 |
3.20 |
BallCalled |
3.7 |
Four-Seam |
90.49 |
2155.80 |
216.39 |
12.48 |
18.02 |
InPlay |
7.2 |
Four-Seam |
90.08 |
2173.61 |
200.49 |
7.78 |
22.08 |
BallCalled |
6.7 |
Four-Seam |
89.25 |
2165.35 |
204.70 |
9.05 |
20.94 |
InPlay |
6.8 |
Four-Seam |
89.86 |
2239.85 |
204.09 |
9.34 |
22.13 |
FoulBallNotFieldable |
6.8 |
Sinker |
89.14 |
2261.75 |
227.19 |
15.91 |
15.94 |
BallCalled |
7.6 |
Four-Seam |
89.43 |
2222.76 |
210.35 |
8.68 |
15.93 |
FoulBallNotFieldable |
7.0 |
Slider |
78.19 |
2302.14 |
120.13 |
-6.31 |
5.18 |
InPlay |
4.0 |
Four-Seam |
89.45 |
2313.95 |
217.74 |
13.82 |
18.98 |
StrikeCalled |
7.3 |
Four-Seam |
90.38 |
2291.52 |
220.85 |
14.63 |
18.04 |
BallCalled |
7.4 |
Slider |
77.31 |
2311.73 |
96.69 |
-9.08 |
2.45 |
FoulBallNotFieldable |
3.2 |
Slider |
79.42 |
2400.23 |
92.87 |
-4.16 |
1.85 |
BallCalled |
3.1 |
Four-Seam |
89.54 |
2218.15 |
213.88 |
11.78 |
18.65 |
StrikeSwinging |
7.1 |
Four-Seam |
88.24 |
2179.99 |
212.28 |
11.25 |
18.92 |
BallCalled |
7.1 |
Slider |
77.47 |
1062.79 |
138.00 |
-5.79 |
7.91 |
BallCalled |
4.6 |
Four-Seam |
89.14 |
2143.05 |
217.21 |
12.48 |
17.55 |
InPlay |
7.2 |
Sinker |
88.73 |
2080.05 |
231.82 |
16.45 |
14.04 |
BallCalled |
7.7 |
Slider |
79.67 |
1773.87 |
170.82 |
-0.47 |
4.13 |
BallCalled |
5.7 |
Changeup |
88.62 |
1841.64 |
231.96 |
14.11 |
12.06 |
BallCalled |
7.7 |
Changeup |
87.11 |
1851.26 |
208.52 |
7.86 |
15.73 |
StrikeCalled |
7.0 |
Four-Seam |
87.90 |
1965.22 |
210.78 |
9.88 |
17.81 |
BallCalled |
7.0 |
Four-Seam |
88.61 |
2019.89 |
214.16 |
9.75 |
15.53 |
BallCalled |
7.1 |
Curveball |
75.68 |
1951.35 |
74.63 |
-10.27 |
-0.91 |
BallCalled |
2.5 |
Four-Seam |
89.27 |
2057.33 |
214.05 |
10.36 |
16.50 |
BallCalled |
7.1 |
Four-Seam |
87.41 |
2059.50 |
209.44 |
9.60 |
18.27 |
StrikeCalled |
7.0 |
Four-Seam |
88.46 |
2017.02 |
212.80 |
10.41 |
17.36 |
InPlay |
7.1 |
# Create a summary table
pitch_summary <- detailed_pitch_table %>%
group_by(AutoPitchType) %>%
summarise(
TotalPitches = n(),
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
)
# Display the summary table
knitr::kable(pitch_summary, caption = "Summary Pitch Table for Ellison")
Summary Pitch Table for Ellison
Changeup |
2 |
1 |
1 |
50.00% |
50.00% |
87.87 |
1846.45 |
13.89 |
10.98 |
220.24 |
7.3 |
Curveball |
3 |
2 |
1 |
66.67% |
33.33% |
76.19 |
1948.40 |
1.61 |
-9.16 |
91.33 |
3.1 |
Four-Seam |
19 |
8 |
11 |
42.11% |
57.89% |
89.40 |
2123.12 |
17.86 |
10.43 |
212.12 |
7.1 |
Sinker |
4 |
3 |
1 |
75.00% |
25.00% |
89.88 |
2168.67 |
14.18 |
15.85 |
230.64 |
7.7 |
Slider |
7 |
5 |
2 |
71.43% |
28.57% |
78.38 |
2019.64 |
4.02 |
-5.43 |
119.01 |
4.0 |
# Prepare data for plotting pitch locations
pitch_location_data <- Ellison_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)) +
labs(title = "Pitch Locations for Ellison",
x = "Horizontal Location (feet)",
y = "Vertical Location (feet)",
color = "Swing/Take",
shape = "Chase") +
facet_wrap(~ AutoPitchType) + # Create individual graphs for each pitch type
geom_text(aes(x = -1.75, y = 5, label = "RHH"), color = "black", size = 3, hjust = 0) + # Label for RHH
geom_text(aes(x = 1.75, y = 5, label = "LHH"), color = "black", size = 3, hjust = 1) + # Label for LHH
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 Ellison",
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")
)
