# Filter the data for the pitcher Helwig
Helwig_data <- Sanford69 %>%
filter(Pitcher == "Helwig, Dennis")
# Create a detailed table for each pitch
detailed_pitch_table <- Helwig_data %>%
select(AutoPitchType, RelSpeed, SpinRate, SpinAxis, HorzBreak, InducedVertBreak, PitchCall, RelHeight, RelSide) %>%
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),
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 Helwig")
Detailed Pitch Table for Helwig
| Four-Seam |
91.97 |
2206.78 |
211.56 |
12.14 |
20.83 |
InPlay |
6.43 |
1.11 |
7.1 |
| Four-Seam |
92.79 |
2296.42 |
220.67 |
15.77 |
19.42 |
StrikeCalled |
6.47 |
1.39 |
7.4 |
| Four-Seam |
92.54 |
2353.48 |
218.66 |
15.60 |
20.57 |
BallCalled |
6.42 |
1.10 |
7.3 |
| Curveball |
82.98 |
2389.10 |
95.15 |
-17.04 |
2.82 |
BallCalled |
6.16 |
2.11 |
3.2 |
| Four-Seam |
91.34 |
2148.28 |
208.92 |
9.61 |
18.43 |
InPlay |
6.52 |
1.39 |
7.0 |
| Curveball |
80.22 |
2210.58 |
82.48 |
-15.14 |
-0.75 |
BallCalled |
6.21 |
2.02 |
2.7 |
| Four-Seam |
92.11 |
2363.07 |
213.13 |
12.83 |
20.72 |
StrikeCalled |
6.37 |
1.22 |
7.1 |
| Four-Seam |
91.78 |
2240.66 |
215.47 |
13.34 |
19.76 |
FoulBallNotFieldable |
6.39 |
1.24 |
7.2 |
| Four-Seam |
93.19 |
2205.86 |
209.23 |
10.53 |
19.83 |
BallCalled |
6.53 |
1.15 |
7.0 |
| Slider |
82.04 |
2353.50 |
102.52 |
-9.90 |
3.27 |
BallCalled |
6.09 |
1.91 |
3.4 |
| Four-Seam |
91.95 |
2204.52 |
219.31 |
12.22 |
15.93 |
InPlay |
6.31 |
1.54 |
7.3 |
| Slider |
81.32 |
2277.59 |
64.60 |
-8.10 |
-2.58 |
StrikeCalled |
6.20 |
1.97 |
2.2 |
| Slider |
79.99 |
2325.17 |
86.94 |
-16.23 |
0.49 |
StrikeCalled |
6.09 |
2.22 |
2.9 |
| Four-Seam |
93.20 |
2175.20 |
204.50 |
9.23 |
21.31 |
BallCalled |
6.44 |
1.32 |
6.8 |
| Slider |
81.41 |
2324.73 |
99.06 |
-12.72 |
3.30 |
FoulBallNotFieldable |
5.99 |
2.08 |
3.3 |
| Four-Seam |
92.77 |
2186.69 |
206.44 |
8.71 |
18.68 |
BallCalled |
6.39 |
1.52 |
6.9 |
| Four-Seam |
91.42 |
2127.72 |
211.76 |
10.81 |
18.60 |
StrikeSwinging |
6.32 |
1.43 |
7.1 |
| Four-Seam |
91.05 |
2124.58 |
213.57 |
11.23 |
18.09 |
StrikeCalled |
6.42 |
1.37 |
7.1 |
| Four-Seam |
91.39 |
2100.43 |
212.09 |
10.02 |
17.13 |
InPlay |
6.33 |
1.43 |
7.1 |
| Slider |
81.23 |
2324.00 |
89.73 |
-4.77 |
1.28 |
StrikeCalled |
6.00 |
2.05 |
3.0 |
| Slider |
79.68 |
2359.11 |
71.99 |
-8.27 |
-1.21 |
BallCalled |
6.04 |
2.13 |
2.4 |
| Four-Seam |
91.03 |
2149.21 |
211.93 |
11.41 |
19.44 |
BallCalled |
6.45 |
1.33 |
7.1 |
| Slider |
79.57 |
2117.66 |
88.48 |
-12.64 |
1.21 |
StrikeCalled |
6.14 |
2.00 |
2.9 |
| Four-Seam |
92.31 |
2214.13 |
210.25 |
11.55 |
20.94 |
StrikeCalled |
6.44 |
1.43 |
7.0 |
| Four-Seam |
89.25 |
2098.25 |
211.15 |
12.26 |
21.51 |
InPlay |
6.51 |
1.29 |
7.0 |
| Slider |
79.54 |
2316.53 |
113.43 |
-12.18 |
6.66 |
InPlay |
6.06 |
2.23 |
3.8 |
| Four-Seam |
89.29 |
2141.51 |
209.88 |
10.36 |
19.23 |
StrikeCalled |
6.27 |
1.76 |
7.0 |
| Changeup |
85.32 |
1388.57 |
239.87 |
15.52 |
10.19 |
BallCalled |
5.88 |
1.75 |
8.0 |
| Four-Seam |
91.39 |
2229.99 |
217.20 |
14.64 |
20.49 |
FoulBallNotFieldable |
6.37 |
1.73 |
7.2 |
| Four-Seam |
93.15 |
2272.39 |
207.32 |
10.52 |
21.49 |
BallCalled |
6.34 |
1.31 |
6.9 |
| Changeup |
86.87 |
1367.60 |
250.34 |
14.72 |
6.45 |
BallCalled |
5.91 |
1.61 |
8.3 |
| Four-Seam |
90.81 |
2122.15 |
204.40 |
9.20 |
21.48 |
FoulBallNotFieldable |
6.38 |
1.63 |
6.8 |
| Four-Seam |
90.04 |
2043.49 |
209.43 |
10.81 |
20.33 |
BallCalled |
6.41 |
1.73 |
7.0 |
| Four-Seam |
91.58 |
2165.17 |
205.85 |
9.78 |
21.32 |
BallCalled |
6.43 |
2.07 |
6.9 |
| Four-Seam |
89.15 |
2093.96 |
200.32 |
7.49 |
21.40 |
InPlay |
6.35 |
2.13 |
6.7 |
| Four-Seam |
90.89 |
2178.04 |
215.44 |
12.76 |
19.03 |
BallCalled |
6.37 |
2.23 |
7.2 |
| Four-Seam |
90.63 |
2160.12 |
208.34 |
10.47 |
20.50 |
InPlay |
6.22 |
2.32 |
6.9 |
| Slider |
79.79 |
2206.45 |
108.84 |
-9.00 |
4.35 |
BallCalled |
6.18 |
2.16 |
3.6 |
| Slider |
81.33 |
2224.47 |
90.64 |
-9.63 |
1.55 |
FoulBallNotFieldable |
6.28 |
2.22 |
3.0 |
| Four-Seam |
90.53 |
2056.19 |
213.53 |
11.94 |
19.23 |
FoulBallNotFieldable |
6.33 |
1.35 |
7.1 |
| Curveball |
81.77 |
2202.44 |
45.44 |
-6.43 |
-4.94 |
InPlay |
5.97 |
2.15 |
1.5 |
| Curveball |
80.94 |
2276.33 |
68.97 |
-11.20 |
-3.00 |
BallCalled |
6.04 |
2.12 |
2.3 |
| Four-Seam |
90.24 |
2087.05 |
205.94 |
9.36 |
20.33 |
BallCalled |
6.30 |
1.22 |
6.9 |
| Four-Seam |
89.30 |
2092.85 |
213.48 |
11.41 |
18.35 |
BallCalled |
6.35 |
1.40 |
7.1 |
| Four-Seam |
88.73 |
2104.37 |
214.03 |
13.43 |
21.01 |
BallCalled |
6.39 |
1.49 |
7.1 |
| Four-Seam |
90.29 |
2207.69 |
211.51 |
11.78 |
20.30 |
BallCalled |
6.18 |
2.30 |
7.1 |
| Four-Seam |
88.46 |
2135.46 |
216.16 |
13.15 |
19.12 |
BallCalled |
6.21 |
2.27 |
7.2 |
| Four-Seam |
88.75 |
2132.32 |
215.35 |
12.81 |
19.18 |
BallCalled |
6.27 |
2.35 |
7.2 |
| Four-Seam |
89.18 |
2147.26 |
216.20 |
13.41 |
19.45 |
StrikeCalled |
6.21 |
2.44 |
7.2 |
| Four-Seam |
88.87 |
2110.64 |
216.85 |
13.17 |
18.69 |
BallCalled |
6.10 |
2.46 |
7.2 |
# 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
AvgReleaseHeight = round(mean(ReleaseHeight, na.rm = TRUE), 2),
AvgReleaseSide = round(mean(ReleaseSide, na.rm = TRUE), 2)
)
# Display the summary table
knitr::kable(pitch_summary, caption = "Summary Pitch Table for Helwig")
Summary Pitch Table for Helwig
| Changeup |
2 |
2 |
0 |
100.00% |
0.00% |
86.10 |
1378.09 |
8.32 |
15.12 |
245.11 |
8.2 |
5.89 |
1.68 |
| Curveball |
4 |
3 |
1 |
75.00% |
25.00% |
81.48 |
2269.61 |
-1.47 |
-12.45 |
73.01 |
2.4 |
6.10 |
2.10 |
| Four-Seam |
34 |
16 |
18 |
47.06% |
52.94% |
90.92 |
2166.94 |
19.77 |
11.58 |
211.76 |
7.1 |
6.36 |
1.63 |
| Slider |
10 |
3 |
7 |
30.00% |
70.00% |
80.59 |
2282.92 |
1.83 |
-10.34 |
91.62 |
3.0 |
6.11 |
2.10 |
# Prepare data for plotting pitch locations
pitch_location_data <- Helwig_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 Helwig",
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 Helwig",
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")
)
