# Filter the data for the pitcher Dowlen
Dowlen_data <- Danbury611 %>%
filter(Pitcher == "Dowlen, Colin")
# Create a detailed table for each pitch
detailed_pitch_table <- Dowlen_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 Dowlen")
Detailed Pitch Table for Dowlen
Changeup |
85.87 |
1982.79 |
238.09 |
16.50 |
11.65 |
StrikeCalled |
5.31 |
1.73 |
6.68 |
7.9 |
Curveball |
77.97 |
1914.45 |
82.18 |
-12.34 |
-0.09 |
StrikeCalled |
5.53 |
1.74 |
6.22 |
2.7 |
Four-Seam |
87.27 |
2210.56 |
204.98 |
9.30 |
21.33 |
BallCalled |
5.56 |
1.59 |
6.70 |
6.8 |
Changeup |
83.53 |
1709.75 |
260.90 |
17.06 |
4.19 |
BallCalled |
5.25 |
2.17 |
6.68 |
8.7 |
Curveball |
79.33 |
1995.69 |
48.93 |
-6.53 |
-4.06 |
BallCalled |
5.50 |
1.65 |
6.49 |
1.6 |
Sinker |
88.16 |
2120.06 |
237.13 |
18.70 |
13.40 |
FoulBall |
5.29 |
1.94 |
6.87 |
7.9 |
Sinker |
86.55 |
2054.61 |
229.46 |
17.11 |
16.11 |
BallCalled |
5.30 |
1.95 |
6.71 |
7.6 |
Curveball |
75.78 |
1739.04 |
71.41 |
-13.03 |
-2.66 |
FoulBall |
5.56 |
1.41 |
6.46 |
2.4 |
Changeup |
86.53 |
2045.16 |
244.01 |
17.63 |
9.92 |
StrikeSwinging |
5.25 |
1.91 |
6.82 |
8.1 |
Four-Seam |
88.16 |
2186.38 |
208.98 |
10.03 |
19.38 |
BallCalled |
5.51 |
1.64 |
6.79 |
7.0 |
Curveball |
78.28 |
1947.51 |
44.38 |
-6.73 |
-5.34 |
BallCalled |
5.60 |
1.36 |
6.58 |
1.5 |
Slider |
79.91 |
1877.30 |
139.16 |
-4.58 |
7.14 |
InPlay |
5.45 |
1.72 |
6.77 |
4.6 |
Curveball |
76.94 |
1864.33 |
74.01 |
-13.21 |
-2.06 |
StrikeCalled |
5.66 |
1.45 |
6.30 |
2.5 |
Changeup |
86.56 |
2009.84 |
243.51 |
17.56 |
10.05 |
StrikeSwinging |
5.34 |
1.70 |
6.86 |
8.1 |
Slider |
79.90 |
2077.52 |
161.97 |
-3.29 |
11.89 |
BallCalled |
5.34 |
2.05 |
6.41 |
5.4 |
Sinker |
87.55 |
1994.96 |
229.79 |
15.99 |
14.77 |
FoulBall |
5.34 |
1.70 |
6.89 |
7.7 |
Changeup |
86.24 |
1849.75 |
234.09 |
15.41 |
12.35 |
FoulBall |
5.41 |
1.79 |
7.02 |
7.8 |
Slider |
80.81 |
2129.08 |
178.53 |
-0.27 |
12.23 |
InPlay |
5.49 |
2.02 |
6.57 |
6.0 |
Changeup |
86.97 |
2039.30 |
245.70 |
20.87 |
10.80 |
HitByPitch |
5.31 |
1.97 |
6.58 |
8.2 |
Four-Seam |
89.82 |
2165.48 |
218.76 |
15.78 |
21.15 |
BallCalled |
4.82 |
1.78 |
6.44 |
7.3 |
Four-Seam |
88.98 |
2154.43 |
219.55 |
15.94 |
20.74 |
InPlay |
4.89 |
1.74 |
6.67 |
7.3 |
Sinker |
89.84 |
2142.33 |
220.41 |
15.16 |
19.21 |
BallCalled |
4.80 |
1.85 |
6.23 |
7.3 |
Curveball |
75.76 |
3122.01 |
43.60 |
-13.86 |
-12.30 |
StrikeSwinging |
4.94 |
1.89 |
6.08 |
1.5 |
Curveball |
76.86 |
3065.44 |
54.45 |
-19.02 |
-11.37 |
StrikeSwinging |
4.86 |
1.70 |
5.86 |
1.8 |
Four-Seam |
90.23 |
2215.39 |
215.04 |
14.32 |
21.91 |
StrikeCalled |
4.94 |
1.69 |
5.99 |
7.2 |
Curveball |
76.30 |
3151.09 |
42.83 |
-16.08 |
-15.01 |
BallinDirt |
4.93 |
1.80 |
5.62 |
1.4 |
Four-Seam |
88.73 |
2159.81 |
208.39 |
11.62 |
22.95 |
StrikeCalled |
4.90 |
1.70 |
6.38 |
6.9 |
Curveball |
75.73 |
2948.13 |
51.57 |
-18.68 |
-12.54 |
BallinDirt |
4.89 |
1.77 |
5.99 |
1.7 |
Four-Seam |
88.65 |
2111.58 |
212.84 |
12.00 |
20.09 |
StrikeCalled |
4.95 |
1.73 |
6.35 |
7.1 |
Four-Seam |
89.25 |
2226.18 |
212.26 |
12.68 |
21.58 |
InPlay |
4.91 |
1.80 |
6.41 |
7.1 |
Curveball |
76.81 |
3137.06 |
69.23 |
-19.41 |
-5.26 |
BallinDirt |
4.95 |
1.74 |
6.28 |
2.3 |
Four-Seam |
88.82 |
2221.50 |
216.31 |
12.84 |
18.87 |
StrikeCalled |
4.83 |
1.82 |
6.59 |
7.2 |
Four-Seam |
89.18 |
2199.78 |
213.01 |
12.86 |
21.20 |
StrikeSwinging |
4.81 |
1.82 |
6.73 |
7.1 |
Curveball |
77.59 |
3129.38 |
43.46 |
-14.61 |
-13.38 |
BallinDirt |
4.88 |
1.90 |
6.18 |
1.4 |
Four-Seam |
89.68 |
2187.90 |
201.27 |
8.74 |
23.86 |
FoulBall |
4.93 |
1.73 |
6.09 |
6.7 |
Curveball |
75.28 |
3050.66 |
70.65 |
-20.53 |
-5.12 |
BallCalled |
5.07 |
1.76 |
5.98 |
2.4 |
Sinker |
89.75 |
2146.59 |
224.06 |
16.21 |
18.07 |
InPlay |
4.93 |
1.68 |
6.29 |
7.5 |
# 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\n")
## Total number of pitches thrown: 37
# Display the summary table
knitr::kable(pitch_summary, caption = "Summary Pitch Table for Dowlen")
Summary Pitch Table for Dowlen
Changeup |
16.22% |
6 |
1 |
5 |
16.67% |
83.33% |
85.95 |
1939.43 |
9.83 |
17.50 |
244.38 |
8.1 |
5.31 |
1.88 |
6.77 |
Curveball |
32.43% |
12 |
3 |
9 |
25.00% |
75.00% |
76.89 |
2588.73 |
-7.43 |
-14.50 |
58.06 |
1.9 |
5.20 |
1.68 |
6.17 |
Four-Seam |
29.73% |
11 |
3 |
8 |
27.27% |
72.73% |
88.98 |
2185.36 |
21.19 |
12.37 |
211.94 |
7.1 |
5.00 |
1.73 |
6.47 |
Sinker |
13.51% |
5 |
2 |
3 |
40.00% |
60.00% |
88.37 |
2091.71 |
16.31 |
16.63 |
228.17 |
7.6 |
5.13 |
1.82 |
6.60 |
Slider |
8.11% |
3 |
1 |
2 |
33.33% |
66.67% |
80.21 |
2027.97 |
10.42 |
-2.71 |
159.89 |
5.3 |
5.43 |
1.93 |
6.58 |
# 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("Dowlen maximum FB velocity: ", max_fb_velocity, "mph\n")
## Dowlen maximum FB velocity: 90.23 mph
# Prepare data for plotting pitch locations
pitch_location_data <- Dowlen_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 Dowlen",
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 Dowlen",
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")
)
