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import pandas as pd
import numpy as np
import json
from matplotlib.ticker import FuncFormatter
from matplotlib.ticker import MaxNLocator
import math
from matplotlib.patches import Ellipse
import matplotlib.transforms as transforms
import matplotlib.colors
import matplotlib.colors as mcolors
import seaborn as sns
import matplotlib.pyplot as plt
import requests
import polars as pl
from PIL import Image
import requests
from io import BytesIO
from matplotlib.offsetbox import OffsetImage, AnnotationBbox
import matplotlib.pyplot as plt
import matplotlib.gridspec as gridspec
import PIL
### PITCH COLOURS ###
# Dictionary to map pitch types to their corresponding colors and names
pitch_colours = {
## Fastballs ##
'FF': {'colour': '#FF007D', 'name': '4-Seam Fastball'},
'FA': {'colour': '#FF007D', 'name': 'Fastball'},
'SI': {'colour': '#98165D', 'name': 'Sinker'},
'FC': {'colour': '#BE5FA0', 'name': 'Cutter'},
## Offspeed ##
'CH': {'colour': '#F79E70', 'name': 'Changeup'},
'FS': {'colour': '#FE6100', 'name': 'Splitter'},
'SC': {'colour': '#F08223', 'name': 'Screwball'},
'FO': {'colour': '#FFB000', 'name': 'Forkball'},
## Sliders ##
'SL': {'colour': '#67E18D', 'name': 'Slider'},
'ST': {'colour': '#1BB999', 'name': 'Sweeper'},
'SV': {'colour': '#376748', 'name': 'Slurve'},
## Curveballs ##
'KC': {'colour': '#311D8B', 'name': 'Knuckle Curve'},
'CU': {'colour': '#3025CE', 'name': 'Curveball'},
'CS': {'colour': '#274BFC', 'name': 'Slow Curve'},
'EP': {'colour': '#648FFF', 'name': 'Eephus'},
## Others ##
'KN': {'colour': '#867A08', 'name': 'Knuckleball'},
'PO': {'colour': '#472C30', 'name': 'Pitch Out'},
'UN': {'colour': '#9C8975', 'name': 'Unknown'},
}
# Create dictionaries for pitch types and their attributes
dict_colour = {key: value['colour'] for key, value in pitch_colours.items()}
dict_pitch = {key: value['name'] for key, value in pitch_colours.items()}
dict_pitch_desc_type = {value['name']: key for key, value in pitch_colours.items()}
dict_pitch_desc_type.update({'Four-Seam Fastball':'FF'})
dict_pitch_desc_type.update({'All':'All'})
dict_pitch_name = {value['name']: value['colour'] for key, value in pitch_colours.items()}
dict_pitch_name.update({'Four-Seam Fastball':'#FF007D'})
font_properties = {'family': 'calibi', 'size': 12}
font_properties_titles = {'family': 'calibi', 'size': 20}
font_properties_axes = {'family': 'calibi', 'size': 16}
cmap_sum = matplotlib.colors.LinearSegmentedColormap.from_list("", ['#648FFF','#FFFFFF','#FFB000',])
### FANGRAPHS STATS DICT ###
fangraphs_stats_dict = {'IP':{'table_header':'$\\bf{IP}$','format':'.1f',} ,
'TBF':{'table_header':'$\\bf{PA}$','format':'.0f',} ,
'AVG':{'table_header':'$\\bf{AVG}$','format':'.3f',} ,
'K/9':{'table_header':'$\\bf{K\/9}$','format':'.2f',} ,
'BB/9':{'table_header':'$\\bf{BB\/9}$','format':'.2f',} ,
'K/BB':{'table_header':'$\\bf{K\/BB}$','format':'.2f',} ,
'HR/9':{'table_header':'$\\bf{HR\/9}$','format':'.2f',} ,
'K%':{'table_header':'$\\bf{K\%}$','format':'.1%',} ,
'BB%':{'table_header':'$\\bf{BB\%}$','format':'.1%',} ,
'K-BB%':{'table_header':'$\\bf{K-BB\%}$','format':'.1%',} ,
'WHIP':{'table_header':'$\\bf{WHIP}$','format':'.2f',} ,
'BABIP':{'table_header':'$\\bf{BABIP}$','format':'.3f',} ,
'LOB%':{'table_header':'$\\bf{LOB\%}$','format':'.1%',} ,
'xFIP':{'table_header':'$\\bf{xFIP}$','format':'.2f',} ,
'FIP':{'table_header':'$\\bf{FIP}$','format':'.2f',} ,
'H':{'table_header':'$\\bf{H}$','format':'.0f',} ,
'2B':{'table_header':'$\\bf{2B}$','format':'.0f',} ,
'3B':{'table_header':'$\\bf{3B}$','format':'.0f',} ,
'R':{'table_header':'$\\bf{R}$','format':'.0f',} ,
'ER':{'table_header':'$\\bf{ER}$','format':'.0f',} ,
'HR':{'table_header':'$\\bf{HR}$','format':'.0f',} ,
'BB':{'table_header':'$\\bf{BB}$','format':'.0f',} ,
'IBB':{'table_header':'$\\bf{IBB}$','format':'.0f',} ,
'HBP':{'table_header':'$\\bf{HBP}$','format':'.0f',} ,
'SO':{'table_header':'$\\bf{SO}$','format':'.0f',} ,
'OBP':{'table_header':'$\\bf{OBP}$','format':'.0f',} ,
'SLG':{'table_header':'$\\bf{SLG}$','format':'.0f',} ,
'ERA':{'table_header':'$\\bf{ERA}$','format':'.2f',} ,
'wOBA':{'table_header':'$\\bf{wOBA}$','format':'.3f',} ,
'G':{'table_header':'$\\bf{G}$','format':'.0f',},
'strikePercentage':{'table_header':'$\\bf{Strike\%}$','format':'.1%'} }
colour_palette = ['#FFB000','#648FFF','#785EF0',
'#DC267F','#FE6100','#3D1EB2','#894D80','#16AA02','#B5592B','#A3C1ED']
### GET COLOURS ###
def get_color(value, normalize, cmap_sum):
"""
Get the color corresponding to a value based on a colormap and normalization.
Parameters
----------
value : float
The value to be mapped to a color.
normalize : matplotlib.colors.Normalize
The normalization function to scale the value.
cmap_sum : matplotlib.colors.Colormap
The colormap to use for mapping the value to a color.
Returns
-------
str
The hexadecimal color code corresponding to the value.
"""
color = cmap_sum(normalize(value))
return mcolors.to_hex(color)
### PITCH ELLIPSE ###
def confidence_ellipse(x, y, ax, n_std=3.0, facecolor='none', **kwargs):
"""
Create a plot of the covariance confidence ellipse of *x* and *y*.
Parameters
----------
x, y : array-like, shape (n, )
Input data.
ax : matplotlib.axes.Axes
The axes object to draw the ellipse into.
n_std : float
The number of standard deviations to determine the ellipse's radiuses.
**kwargs
Forwarded to `~matplotlib.patches.Ellipse`
Returns
-------
matplotlib.patches.Ellipse
"""
if len(x) != len(y):
raise ValueError("x and y must be the same size")
try:
cov = np.cov(x, y)
pearson = cov[0, 1]/np.sqrt(cov[0, 0] * cov[1, 1])
# Using a special case to obtain the eigenvalues of this
# two-dimensional dataset.
ell_radius_x = np.sqrt(1 + pearson)
ell_radius_y = np.sqrt(1 - pearson)
ellipse = Ellipse((0, 0), width=ell_radius_x * 2, height=ell_radius_y * 2,
facecolor=facecolor,linewidth=2,linestyle='--', **kwargs)
# Calculating the standard deviation of x from
# the squareroot of the variance and multiplying
# with the given number of standard deviations.
scale_x = np.sqrt(cov[0, 0]) * n_std
mean_x = x.mean()
# calculating the standard deviation of y ...
scale_y = np.sqrt(cov[1, 1]) * n_std
mean_y = y.mean()
transf = transforms.Affine2D() \
.rotate_deg(45) \
.scale(scale_x, scale_y) \
.translate(mean_x, mean_y)
ellipse.set_transform(transf + ax.transData)
except ValueError:
return
return ax.add_patch(ellipse)
### VELOCITY KDES ###
def velocity_kdes(df: pl.DataFrame, ax: plt.Axes, gs: gridspec.GridSpec, gs_x: list, gs_y: list, fig: plt.Figure):
"""
Plot the velocity KDEs for different pitch types.
Parameters
----------
df : pl.DataFrame
The DataFrame containing pitch data.
ax : plt.Axes
The axis to plot on.
gs : GridSpec
The GridSpec for the subplot layout.
gs_x : list
The x-coordinates for the GridSpec.
gs_y : list
The y-coordinates for the GridSpec.
fig : plt.Figure
The figure to plot on.
"""
# Get unique pitch types sorted by pitch count
items_in_order = df.sort("pitch_count", descending=True)['pitch_type'].unique(maintain_order=True).to_numpy()
# Create the inner subplot inside the outer subplot
ax.axis('off')
ax.set_title('Pitch Velocity Distribution', fontdict={'family': 'calibi', 'size': 20})
inner_grid_1 = gridspec.GridSpecFromSubplotSpec(len(items_in_order), 1, subplot_spec=gs[gs_x[0]:gs_x[-1], gs_y[0]:gs_y[-1]])
ax_top = [fig.add_subplot(inner) for inner in inner_grid_1]
for idx, i in enumerate(items_in_order):
pitch_data = df.filter(pl.col('pitch_type') == i)['start_speed']
if np.unique(pitch_data).size == 1: # Check if all values are the same
ax_top[idx].plot([np.unique(pitch_data), np.unique(pitch_data)], [0, 1], linewidth=4, color=dict_colour[i], zorder=20)
else:
sns.kdeplot(pitch_data, ax=ax_top[idx], fill=True, clip=(pitch_data.min(), pitch_data.max()), color=dict_colour[i])
# Plot the mean release speed for the current data
df_average = df.filter(df['pitch_type'] == i)['start_speed']
ax_top[idx].plot([df_average.mean(), df_average.mean()], [ax_top[idx].get_ylim()[0], ax_top[idx].get_ylim()[1]], color=dict_colour[i], linestyle='--')
# Plot the mean release speed for the statcast group data
df_statcast_group = pl.read_csv('functions/statcast_2024_grouped.csv')
df_average = df_statcast_group.filter(df_statcast_group['pitch_type'] == i)['release_speed']
ax_top[idx].plot([df_average.mean(), df_average.mean()], [ax_top[idx].get_ylim()[0], ax_top[idx].get_ylim()[1]], color=dict_colour[i], linestyle=':')
ax_top[idx].set_xlim(math.floor(df['start_speed'].min() / 5) * 5, math.ceil(df['start_speed'].max() / 5) * 5)
ax_top[idx].set_xlabel('')
ax_top[idx].set_ylabel('')
if idx < len(items_in_order) - 1:
ax_top[idx].spines['top'].set_visible(False)
ax_top[idx].spines['right'].set_visible(False)
ax_top[idx].spines['left'].set_visible(False)
ax_top[idx].tick_params(axis='x', colors='none')
ax_top[idx].set_xticks(range(math.floor(df['start_speed'].min() / 5) * 5, math.ceil(df['start_speed'].max() / 5) * 5, 5))
ax_top[idx].set_yticks([])
ax_top[idx].grid(axis='x', linestyle='--')
ax_top[idx].text(-0.01, 0.5, i, transform=ax_top[idx].transAxes, fontsize=14, va='center', ha='right')
ax_top[-1].spines['top'].set_visible(False)
ax_top[-1].spines['right'].set_visible(False)
ax_top[-1].spines['left'].set_visible(False)
ax_top[-1].set_xticks(list(range(math.floor(df['start_speed'].min() / 5) * 5, math.ceil(df['start_speed'].max() / 5) * 5, 5)))
ax_top[-1].set_xlabel('Velocity (mph)')
### TJ STUFF+ ROLLING ###
def tj_stuff_roling(df: pl.DataFrame, window: int, ax: plt.Axes):
"""
Plot the rolling average of tjStuff+ for different pitch types.
Parameters
----------
df : pl.DataFrame
The DataFrame containing pitch data.
window : int
The window size for calculating the rolling average.
ax : plt.Axes
The axis to plot on.
"""
# Get unique pitch types sorted by pitch count
items_in_order = df.sort("pitch_count", descending=True)['pitch_type'].unique(maintain_order=True).to_numpy()
# Plot the rolling average for each pitch type
for i in items_in_order:
pitch_data = df.filter(pl.col('pitch_type') == i)
if pitch_data['pitch_count'].max() >= window:
sns.lineplot(
x=range(1, pitch_data['pitch_count'].max() + 1),
y=pitch_data['tj_stuff_plus'].rolling_mean(window),
color=dict_colour[i],
ax=ax,
linewidth=3
)
# Adjust x-axis limits to start from 1
ax.set_xlim(window, df['pitch_count'].max())
ax.set_ylim(70, 130)
ax.set_xlabel('Pitches', fontdict=font_properties_axes)
ax.set_ylabel('tjStuff+', fontdict=font_properties_axes)
ax.set_title(f"{window} Pitch Rolling tjStuff+", fontdict=font_properties_titles)
ax.xaxis.set_major_locator(MaxNLocator(integer=True))
### TJ STUFF+ ROLLING ###
def tj_stuff_roling_game(df: pl.DataFrame, window: int, ax: plt.Axes):
"""
Plot the rolling average of tjStuff+ for different pitch types over games.
Parameters
----------
df : pl.DataFrame
The DataFrame containing pitch data.
window : int
The window size for calculating the rolling average.
ax : plt.Axes
The axis to plot on.
"""
# Map game_id to sequential numbers
date_to_number = {date: i + 1 for i, date in enumerate(df['game_id'].unique(maintain_order=True))}
# Add a column with the sequential game numbers
df_plot = df.with_columns(
pl.col("game_id").map_elements(lambda x: date_to_number.get(x, x)).alias("start_number")
)
# Group by relevant columns and calculate mean tj_stuff_plus
plot_game_roll = df_plot.group_by(['start_number', 'game_id', 'game_date', 'pitch_type', 'pitch_description']).agg(
pl.col('tj_stuff_plus').mean().alias('tj_stuff_plus')
).sort('start_number', descending=False)
# Get the list of pitch types ordered by frequency
sorted_value_counts = df['pitch_type'].value_counts().sort('count', descending=True)
items_in_order = sorted_value_counts['pitch_type'].to_list()
# Plot the rolling average for each pitch type
for i in items_in_order:
df_item = plot_game_roll.filter(pl.col('pitch_type') == i)
df_item = df_item.with_columns(
pl.col("start_number").cast(pl.Int64)
).join(
pl.DataFrame({"start_number": list(date_to_number.values())}),
on="start_number",
how="outer"
).sort("start_number_right").with_columns([
pl.col("start_number").fill_null(strategy="forward").fill_null(strategy="backward"),
pl.col("tj_stuff_plus").fill_null(strategy="forward").fill_null(strategy="backward"),
pl.col("pitch_type").fill_null(strategy="forward").fill_null(strategy="backward"),
pl.col("pitch_description").fill_null(strategy="forward").fill_null(strategy="backward")
])
sns.lineplot(x=range(1, max(df_item['start_number_right']) + 1),
y=df_item.filter(pl.col('pitch_type') == i)['tj_stuff_plus'].rolling_mean(window,min_periods=1),
color=dict_colour[i],
ax=ax, linewidth=3)
# Highlight missing game data points
for n in range(len(df_item)):
if df_item['game_id'].is_null()[n]:
sns.scatterplot(x=[df_item['start_number_right'][n]],
y=[df_item['tj_stuff_plus'].rolling_mean(window,min_periods=1)[n]],
color='white',
ec=dict_colour[i],
ax=ax,
zorder=100)
# Adjust x-axis limits to start from 1
ax.set_xlim(1, max(df_item['start_number']))
ax.set_ylim(70, 130)
ax.set_xlabel('Games', fontdict=font_properties_axes)
ax.set_ylabel('tjStuff+', fontdict=font_properties_axes)
ax.set_title(f"{window} Game Rolling tjStuff+", fontdict=font_properties_titles)
ax.xaxis.set_major_locator(MaxNLocator(integer=True))
def break_plot(df: pl.DataFrame, ax: plt.Axes):
"""
Plot the pitch breaks for different pitch types.
Parameters
----------
df : pl.DataFrame
The DataFrame containing pitch data.
ax : plt.Axes
The axis to plot on.
"""
# Get unique pitch types sorted by pitch count
label_labels = df.sort(by=['pitch_count', 'pitch_type'], descending=[False, True])['pitch_type'].unique(maintain_order=True).to_numpy()
# Plot confidence ellipses for each pitch type
for idx, label in enumerate(label_labels):
subset = df.filter(pl.col('pitch_type') == label)
if len(subset) > 4:
try:
confidence_ellipse(subset['hb'], subset['ivb'], ax=ax, edgecolor=dict_colour[label], n_std=2, facecolor=dict_colour[label], alpha=0.2)
except ValueError:
return
# Plot scatter plot for pitch breaks
if df['pitcher_hand'][0] == 'R':
sns.scatterplot(ax=ax, x=df['hb'], y=df['ivb'], hue=df['pitch_type'], palette=dict_colour, ec='black', alpha=1, zorder=2)
elif df['pitcher_hand'][0] == 'L':
sns.scatterplot(ax=ax, x=df['hb'], y=df['ivb'], hue=df['pitch_type'], palette=dict_colour, ec='black', alpha=1, zorder=2)
# Set axis limits
ax.set_xlim((-25, 25))
ax.set_ylim((-25, 25))
# Add horizontal and vertical lines
ax.hlines(y=0, xmin=-50, xmax=50, color=colour_palette[8], alpha=0.5, linestyles='--', zorder=1)
ax.vlines(x=0, ymin=-50, ymax=50, color=colour_palette[8], alpha=0.5, linestyles='--', zorder=1)
# Set axis labels and title
ax.set_xlabel('Horizontal Break (in)', fontdict=font_properties_axes)
ax.set_ylabel('Induced Vertical Break (in)', fontdict=font_properties_axes)
ax.set_title("Pitch Breaks", fontdict=font_properties_titles)
# Remove legend
ax.get_legend().remove()
# Set tick labels
ax.set_xticklabels(ax.get_xticks(), fontdict=font_properties)
ax.set_yticklabels(ax.get_yticks(), fontdict=font_properties)
# Add text annotations for glove side and arm side
if df['pitcher_hand'][0] == 'R':
ax.text(-24.5, -24.5, s='← Glove Side', fontstyle='italic', ha='left', va='bottom',
bbox=dict(facecolor='white', edgecolor='black'), fontsize=12, zorder=3)
ax.text(24.5, -24.5, s='Arm Side →', fontstyle='italic', ha='right', va='bottom',
bbox=dict(facecolor='white', edgecolor='black'), fontsize=12, zorder=3)
elif df['pitcher_hand'][0] == 'L':
ax.invert_xaxis()
ax.text(24.5, -24.5, s='← Arm Side', fontstyle='italic', ha='left', va='bottom',
bbox=dict(facecolor='white', edgecolor='black'), fontsize=12, zorder=3)
ax.text(-24.5, -24.5, s='Glove Side →', fontstyle='italic', ha='right', va='bottom',
bbox=dict(facecolor='white', edgecolor='black'), fontsize=12, zorder=3)
# Set aspect ratio and format axis ticks
ax.set_aspect('equal', adjustable='box')
ax.xaxis.set_major_formatter(FuncFormatter(lambda x, _: int(x)))
ax.yaxis.set_major_formatter(FuncFormatter(lambda x, _: int(x)))
# DEFINE STRIKE ZONE
strike_zone = pl.DataFrame({
'PlateLocSide': [-0.9, -0.9, 0.9, 0.9, -0.9],
'PlateLocHeight': [1.5, 3.5, 3.5, 1.5, 1.5]
})
### STRIKE ZONE ###
def draw_line(axis, alpha_spot=1, catcher_p=True):
"""
Draw the strike zone and home plate on the given axis.
Parameters
----------
axis : matplotlib.axes.Axes
The axis to draw the strike zone on.
alpha_spot : float, optional
The transparency level of the lines (default is 1).
catcher_p : bool, optional
Whether to draw the catcher's perspective (default is True).
"""
# Draw the strike zone
axis.plot(strike_zone['PlateLocSide'].to_list(), strike_zone['PlateLocHeight'].to_list(),
color='black', linewidth=1.3, zorder=3, alpha=alpha_spot)
if catcher_p:
# Draw home plate from catcher's perspective
axis.plot([-0.708, 0.708], [0.15, 0.15], color='black', linewidth=1, alpha=alpha_spot, zorder=1)
axis.plot([-0.708, -0.708], [0.15, 0.3], color='black', linewidth=1, alpha=alpha_spot, zorder=1)
axis.plot([-0.708, 0], [0.3, 0.5], color='black', linewidth=1, alpha=alpha_spot, zorder=1)
axis.plot([0, 0.708], [0.5, 0.3], color='black', linewidth=1, alpha=alpha_spot, zorder=1)
axis.plot([0.708, 0.708], [0.3, 0.15], color='black', linewidth=1, alpha=alpha_spot, zorder=1)
else:
# Draw home plate from pitcher's perspective
axis.plot([-0.708, 0.708], [0.4, 0.4], color='black', linewidth=1, alpha=alpha_spot, zorder=1)
axis.plot([-0.708, -0.9], [0.4, -0.1], color='black', linewidth=1, alpha=alpha_spot, zorder=1)
axis.plot([-0.9, 0], [-0.1, -0.35], color='black', linewidth=1, alpha=alpha_spot, zorder=1)
axis.plot([0, 0.9], [-0.35, -0.1], color='black', linewidth=1, alpha=alpha_spot, zorder=1)
axis.plot([0.9, 0.708], [-0.1, 0.4], color='black', linewidth=1, alpha=alpha_spot, zorder=1)
def location_plot(df: pl.DataFrame, ax: plt.Axes, hand: str):
"""
Plot the pitch locations for different pitch types against a specific batter hand.
Parameters
----------
df : pl.DataFrame
The DataFrame containing pitch data.
ax : plt.Axes
The axis to plot on.
hand : str
The batter hand ('L' for left-handed, 'R' for right-handed).
"""
# Get unique pitch types sorted by pitch count
label_labels = df.sort(by=['pitch_count', 'pitch_type'], descending=[False, True])['pitch_type'].unique(maintain_order=True).to_numpy()
# Plot confidence ellipses for each pitch type
for label in label_labels:
subset = df.filter((pl.col('pitch_type') == label) & (pl.col('batter_hand') == hand))
if len(subset) >= 5:
confidence_ellipse(subset['px'], subset['pz'], ax=ax, edgecolor=dict_colour[label], n_std=1.5, facecolor=dict_colour[label], alpha=0.3)
# Group pitch locations by pitch type and calculate mean values
pitch_location_group = (
df.filter(pl.col("batter_hand") == hand)
.group_by("pitch_type")
.agg([
pl.col("start_speed").count().alias("pitches"),
pl.col("px").mean().alias("px"),
pl.col("pz").mean().alias("pz")
])
)
# Calculate pitch percentages
total_pitches = pitch_location_group['pitches'].sum()
pitch_location_group = pitch_location_group.with_columns(
(pl.col("pitches") / total_pitches).alias("pitch_percent")
)
# Plot pitch locations
sns.scatterplot(ax=ax, x=pitch_location_group['px'], y=pitch_location_group['pz'],
hue=pitch_location_group['pitch_type'], palette=dict_colour, ec='black',
s=pitch_location_group['pitch_percent'] * 750, linewidth=2, zorder=2)
# Customize plot appearance
ax.axis('square')
draw_line(ax, alpha_spot=0.75, catcher_p=False)
ax.axis('off')
ax.set_xlim((-2.75, 2.75))
ax.set_ylim((-0.5, 5))
if len(pitch_location_group['px']) > 0:
ax.get_legend().remove()
ax.grid(False)
ax.set_title(f"Pitch Locations vs {hand}HB\n{pitch_location_group['pitches'].sum()} Pitches", fontdict=font_properties_titles)
def summary_table(df: pl.DataFrame, ax: plt.Axes):
"""
Create a summary table of pitch data.
Parameters
----------
df : pl.DataFrame
The DataFrame containing pitch data.
ax : plt.Axes
The axis to plot the table on.
"""
# Aggregate pitch data by pitch description
df_agg = df.group_by("pitch_description").agg(
pl.col('is_pitch').sum().alias('count'),
(pl.col('is_pitch').sum() / df.select(pl.col('is_pitch').sum())).alias('count_percent'),
pl.col('start_speed').mean().alias('start_speed'),
pl.col('ivb').mean().alias('ivb'),
pl.col('hb').mean().alias('hb'),
pl.col('spin_rate').mean().alias('spin_rate'),
pl.col('vaa').mean().alias('vaa'),
pl.col('haa').mean().alias('haa'),
pl.col('release_pos_z').mean().alias('z0'),
pl.col('release_pos_x').mean().alias('x0'),
pl.col('extension').mean().alias('extension'),
(((pl.col('spin_direction').mean() + 180) % 360 // 30) +
(((pl.col('spin_direction').mean() + 180) % 360 % 30 / 30 / 100 * 60).round(2) * 10).round(0) // 1.5 / 4)
.cast(pl.Float64).map_elements(lambda x: f"{int(x)}:{int((x % 1) * 60):02d}", return_dtype=pl.Utf8).alias('clock_time'),
pl.col('tj_stuff_plus').mean().alias('tj_stuff_plus'),
pl.col('pitch_grade').mean().alias('pitch_grade'),
(pl.col('in_zone').sum() / pl.col('is_pitch').sum()).alias('zone_percent'),
(pl.col('ozone_swing').sum() / pl.col('out_zone').sum()).alias('chase_percent'),
(pl.col('whiffs').sum() / pl.col('swings').sum()).alias('whiff_percent'),
(pl.col('woba_pred_contact').sum() / pl.col('bip').sum()).alias('xwobacon')
).sort("count", descending=True)
# Aggregate all pitch data
df_agg_all = df.group_by(pl.lit("All").alias("pitch_description")).agg(
pl.col('is_pitch').sum().alias('count'),
(pl.col('is_pitch').sum() / df.select(pl.col('is_pitch').sum())).alias('count_percent'),
pl.lit(None).alias('start_speed'),
pl.lit(None).alias('ivb'),
pl.lit(None).alias('hb'),
pl.lit(None).alias('spin_rate'),
pl.lit(None).alias('vaa'),
pl.lit(None).alias('haa'),
pl.lit(None).alias('z0'),
pl.lit(None).alias('x0'),
pl.col('extension').mean().alias('extension'),
pl.lit(None).alias('clock_time'),
pl.col('tj_stuff_plus').mean().alias('tj_stuff_plus'),
pl.lit(None).alias('pitch_grade'),
(pl.col('in_zone').sum() / pl.col('is_pitch').sum()).alias('zone_percent'),
(pl.col('ozone_swing').sum() / pl.col('out_zone').sum()).alias('chase_percent'),
(pl.col('whiffs').sum() / pl.col('swings').sum()).alias('whiff_percent'),
(pl.col('woba_pred_contact').sum() / pl.col('bip').sum()).alias('xwobacon')
)
# Concatenate aggregated data
df_agg = pl.concat([df_agg, df_agg_all]).fill_nan(None)
# Load statcast pitch summary data
statcast_pitch_summary = pl.read_csv('functions/statcast_2024_grouped.csv')
# Create table
table = ax.table(cellText=df_agg.fill_nan('—').fill_null('—').to_numpy(), colLabels=df_agg.columns, cellLoc='center',
colWidths=[2.3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1], bbox=[0.0, 0, 1, 0.8])
# Set table properties
min_font_size = 14
table.auto_set_font_size(False)
table.set_fontsize(min_font_size)
table.scale(1, 0.5)
# Set font size for values
min_font_size = 18
for i in range(len(df_agg) + 1):
for j in range(len(df_agg.columns)):
if i > 0: # Skip the header row
cell = table.get_celld()[i, j]
cell.set_fontsize(min_font_size)
# Define color maps
cmap_sum = mcolors.LinearSegmentedColormap.from_list("", ['#648FFF', '#FFFFFF', '#FFB000'])
cmap_sum_r = mcolors.LinearSegmentedColormap.from_list("", ['#FFB000', '#FFFFFF', '#648FFF'])
# Update table cells with colors and text properties
for i in range(len(df_agg)):
pitch_check = dict_pitch_desc_type[df_agg['pitch_description'][i]]
cell_text = table.get_celld()[(i + 1, 0)].get_text().get_text()
if cell_text != 'All':
table.get_celld()[(i + 1, 0)].set_facecolor(dict_pitch_name[cell_text])
text_props = {'color': '#000000', 'fontweight': 'bold'} if cell_text in ['Split-Finger', 'Slider', 'Changeup'] else {'color': '#ffffff', 'fontweight': 'bold'}
table.get_celld()[(i + 1, 0)].set_text_props(**text_props)
if cell_text == 'Four-Seam Fastball':
table.get_celld()[(i + 1, 0)].get_text().set_text('4-Seam')
select_df = statcast_pitch_summary.filter(statcast_pitch_summary['pitch_type'] == pitch_check)
# Apply color to specific columns based on normalized values
columns_to_color = [(3, 'release_speed', 0.95, 1.05), (11, 'release_extension', 0.9, 1.1), (13, None, 80, 120),
(14, None, 30, 70), (15, 'in_zone_rate', 0.7, 1.3), (16, 'chase_rate', 0.7, 1.3),
(17, 'whiff_rate', 0.7, 1.3), (18, 'xwoba', 0.7, 1.3)]
for col, stat, vmin_factor, vmax_factor in columns_to_color:
cell_value = table.get_celld()[(i + 1, col)].get_text().get_text()
if cell_value != '—':
vmin = select_df[stat].mean() * vmin_factor if stat else vmin_factor
vmax = select_df[stat].mean() * vmax_factor if stat else vmax_factor
normalize = mcolors.Normalize(vmin=vmin, vmax=vmax)
cmap = cmap_sum if col != 18 else cmap_sum_r
table.get_celld()[(i + 1, col)].set_facecolor(get_color(float(cell_value.strip('%')), normalize, cmap))
# Set header text properties
table.get_celld()[(len(df_agg), 0)].set_text_props(color='#000000', fontweight='bold')
# Update column names
new_column_names = ['$\\bf{Pitch\\ Name}$', '$\\bf{Count}$', '$\\bf{Pitch\\%}$', '$\\bf{Velocity}$', '$\\bf{iVB}$',
'$\\bf{HB}$', '$\\bf{Spin}$', '$\\bf{VAA}$', '$\\bf{HAA}$', '$\\bf{vRel}$', '$\\bf{hRel}$',
'$\\bf{Ext.}$', '$\\bf{Axis}$', '$\\bf{tjStuff+}$', '$\\bf{Grade}$', '$\\bf{Zone\\%}$',
'$\\bf{Chase\\%}$', '$\\bf{Whiff\\%}$', '$\\bf{xwOBA}$\n$\\bf{Contact}$']
for i, col_name in enumerate(new_column_names):
table.get_celld()[(0, i)].get_text().set_text(col_name)
# Format cell values
def format_cells(columns, fmt):
for col in columns:
col_idx = df_agg.columns.index(col)
for row in range(1, len(df_agg) + 1):
cell_value = table.get_celld()[(row, col_idx)].get_text().get_text()
if cell_value != '—':
table.get_celld()[(row, col_idx)].get_text().set_text(fmt.format(float(cell_value.strip('%'))))
format_cells(['start_speed', 'ivb', 'hb', 'vaa', 'haa', 'z0', 'x0', 'extension'], '{:,.1f}')
format_cells(['xwobacon'], '{:,.3f}')
format_cells(['count_percent', 'zone_percent', 'chase_percent', 'whiff_percent'], '{:,.1%}')
format_cells(['tj_stuff_plus', 'pitch_grade', 'spin_rate'], '{:,.0f}')
# Create legend for pitch types
items_in_order = (df.sort("pitch_count", descending=True)['pitch_type'].unique(maintain_order=True).to_numpy())
colour_pitches = [dict_colour[x] for x in items_in_order]
label = [dict_pitch[x] for x in items_in_order]
handles = [plt.scatter([], [], color=color, marker='o', s=100) for color in colour_pitches]
if len(label) > 5:
ax.legend(handles, label, bbox_to_anchor=(0.1, 0.81, 0.8, 0.14), ncol=5,
fancybox=True, loc='lower center', fontsize=16, framealpha=1.0, markerscale=1.7, prop={'family': 'calibi', 'size': 16})
else:
ax.legend(handles, label, bbox_to_anchor=(0.1, 0.81, 0.8, 0.14), ncol=5,
fancybox=True, loc='lower center', fontsize=20, framealpha=1.0, markerscale=2, prop={'family': 'calibi', 'size': 20})
ax.axis('off')
def plot_footer(ax: plt.Axes):
"""
Add footer text to the plot.
Parameters
----------
ax : plt.Axes
The axis to add the footer text to.
"""
# Add footer text
ax.text(0, 1, 'By: @TJStats', ha='left', va='top', fontsize=24)
ax.text(0.5, 0.25,
'''
Colour Coding Compares to League Average By Pitch
tjStuff+ calculates the Expected Run Value (xRV) of a pitch regardless of type
tjStuff+ is normally distributed, where 100 is the mean and Standard Deviation is 10
Pitch Grade scales tjStuff+ to the traditional 20-80 Scouting Scale for a given pitch type
''',
ha='center', va='bottom', fontsize=12)
ax.text(1, 1, 'Data: MLB, Fangraphs\nImages: MLB, ESPN', ha='right', va='top', fontsize=24)
ax.axis('off')
# Function to get an image from a URL and display it on the given axis
def player_headshot(player_input: str, ax: plt.Axes, sport_id: int, season: int):
"""
Display the player's headshot image on the given axis.
Parameters
----------
player_input : str
The player's ID.
ax : plt.Axes
The axis to display the image on.
sport_id : int
The sport ID (1 for MLB, other for minor leagues).
season : int
The season year.
"""
try:
# Construct the URL for the player's headshot image based on sport ID
if int(sport_id) == 1:
url = f'https://img.mlbstatic.com/mlb-photos/image/upload/d_people:generic:headshot:67:current.png/w_640,q_auto:best/v1/people/{player_input}/headshot/silo/current.png'
else:
url = f'https://img.mlbstatic.com/mlb-photos/image/upload/c_fill,g_auto/w_640/v1/people/{player_input}/headshot/milb/current.png'
# Send a GET request to the URL and open the image from the response content
response = requests.get(url)
img = Image.open(BytesIO(response.content))
# Display the image on the axis
ax.set_xlim(0, 1.3)
ax.set_ylim(0, 1)
ax.imshow(img, extent=[0, 1, 0, 1] if sport_id == 1 else [1/6, 5/6, 0, 1], origin='upper')
except PIL.UnidentifiedImageError:
ax.axis('off')
return
# Turn off the axis
ax.axis('off')
def player_bio(pitcher_id: str, ax: plt.Axes, sport_id: int, year_input: int):
"""
Display the player's bio information on the given axis.
Parameters
----------
pitcher_id : str
The player's ID.
ax : plt.Axes
The axis to display the bio information on.
sport_id : int
The sport ID (1 for MLB, other for minor leagues).
year_input : int
The season year.
"""
# Construct the URL to fetch player data
url = f"https://statsapi.mlb.com/api/v1/people?personIds={pitcher_id}&hydrate=currentTeam"
# Send a GET request to the URL and parse the JSON response
data = requests.get(url).json()
# Extract player information from the JSON data
player_name = data['people'][0]['fullName']
pitcher_hand = data['people'][0]['pitchHand']['code']
age = data['people'][0]['currentAge']
height = data['people'][0]['height']
weight = data['people'][0]['weight']
# Display the player's name, handedness, age, height, and weight on the axis
ax.text(0.5, 1, f'{player_name}', va='top', ha='center', fontsize=56)
ax.text(0.5, 0.7, f'{pitcher_hand}HP, Age:{age}, {height}/{weight}', va='top', ha='center', fontsize=30)
ax.text(0.5, 0.45, f'Season Pitching Summary', va='top', ha='center', fontsize=40)
# Make API call to retrieve sports information
response = requests.get(url='https://statsapi.mlb.com/api/v1/sports').json()
# Convert the JSON response into a Polars DataFrame
df_sport_id = pl.DataFrame(response['sports'])
abb = df_sport_id.filter(pl.col('id') == sport_id)['abbreviation'][0]
# Display the season and sport abbreviation
ax.text(0.5, 0.20, f'{year_input} {abb} Season', va='top', ha='center', fontsize=30, fontstyle='italic')
# Turn off the axis
ax.axis('off')
def plot_logo(pitcher_id: str, ax: plt.Axes, df_team: pl.DataFrame, df_players: pl.DataFrame):
"""
Display the team logo for the given pitcher on the specified axis.
Parameters
----------
pitcher_id : str
The ID of the pitcher.
ax : plt.Axes
The axis to display the logo on.
df_team : pl.DataFrame
The DataFrame containing team data.
df_players : pl.DataFrame
The DataFrame containing player data.
"""
# List of MLB teams and their corresponding ESPN logo URLs
mlb_teams = [
{"team": "AZ", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/ari.png&h=500&w=500"},
{"team": "ATL", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/atl.png&h=500&w=500"},
{"team": "BAL", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/bal.png&h=500&w=500"},
{"team": "BOS", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/bos.png&h=500&w=500"},
{"team": "CHC", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/chc.png&h=500&w=500"},
{"team": "CWS", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/chw.png&h=500&w=500"},
{"team": "CIN", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/cin.png&h=500&w=500"},
{"team": "CLE", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/cle.png&h=500&w=500"},
{"team": "COL", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/col.png&h=500&w=500"},
{"team": "DET", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/det.png&h=500&w=500"},
{"team": "HOU", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/hou.png&h=500&w=500"},
{"team": "KC", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/kc.png&h=500&w=500"},
{"team": "LAA", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/laa.png&h=500&w=500"},
{"team": "LAD", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/lad.png&h=500&w=500"},
{"team": "MIA", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/mia.png&h=500&w=500"},
{"team": "MIL", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/mil.png&h=500&w=500"},
{"team": "MIN", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/min.png&h=500&w=500"},
{"team": "NYM", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/nym.png&h=500&w=500"},
{"team": "NYY", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/nyy.png&h=500&w=500"},
{"team": "OAK", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/oak.png&h=500&w=500"},
{"team": "PHI", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/phi.png&h=500&w=500"},
{"team": "PIT", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/pit.png&h=500&w=500"},
{"team": "SD", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/sd.png&h=500&w=500"},
{"team": "SF", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/sf.png&h=500&w=500"},
{"team": "SEA", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/sea.png&h=500&w=500"},
{"team": "STL", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/stl.png&h=500&w=500"},
{"team": "TB", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/tb.png&h=500&w=500"},
{"team": "TEX", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/tex.png&h=500&w=500"},
{"team": "TOR", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/tor.png&h=500&w=500"},
{"team": "WSH", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/wsh.png&h=500&w=500"},
{"team": "ATH", "logo_url": "https://a.espncdn.com/combiner/i?img=/i/teamlogos/mlb/500/scoreboard/oak.png&h=500&w=500"},
]
try:
# Create a DataFrame from the list of dictionaries
df_image = pd.DataFrame(mlb_teams)
image_dict = df_image.set_index('team')['logo_url'].to_dict()
# Get the team ID for the given pitcher
team_id = df_players.filter(pl.col('player_id') == pitcher_id)['team'][0]
# Construct the URL to fetch team data
url_team = f'https://statsapi.mlb.com/api/v1/teams/{team_id}'
# Send a GET request to the team URL and parse the JSON response
data_team = requests.get(url_team).json()
# Extract the team abbreviation
if data_team['teams'][0]['id'] in df_team['parent_org_id']:
team_abb = df_team.filter(pl.col('team_id') == data_team['teams'][0]['id'])['parent_org_abbreviation'][0]
else:
team_abb = df_team.filter(pl.col('parent_org_id') == data_team['teams'][0]['parentOrgId'])['parent_org_abbreviation'][0]
# Get the logo URL from the image dictionary using the team abbreviation
logo_url = image_dict[team_abb]
# Send a GET request to the logo URL
response = requests.get(logo_url)
# Open the image from the response content
img = Image.open(BytesIO(response.content))
# Display the image on the axis
ax.set_xlim(0, 1.3)
ax.set_ylim(0, 1)
ax.imshow(img, extent=[0.3, 1.3, 0, 1], origin='upper')
# Turn off the axis
ax.axis('off')
except KeyError:
ax.axis('off')
return
splits = {
'all':0,
'left':13,
'right':14,
}
splits_title = {
'all':'',
'left':' vs LHH',
'right':' vs RHH',
}
def fangraphs_pitching_leaderboards(season: int,
split: str,
start_date: str = '2024-01-01',
end_date: str = '2024-12-31'):
"""
Fetch pitching leaderboards data from Fangraphs.
Parameters
----------
season : int
The season year.
split : str
The split type (e.g., 'All', 'LHH', 'RHH').
start_date : str, optional
The start date for the data (default is '2024-01-01').
end_date : str, optional
The end date for the data (default is '2024-12-31').
Returns
-------
pl.DataFrame
The DataFrame containing the pitching leaderboards data.
"""
url = f"""
https://www.fangraphs.com/api/leaders/major-league/data?age=&pos=all&stats=pit&lg=all&season={season}&season1={season}
&startdate={start_date}&enddate={end_date}&ind=0&qual=0&type=8&month=1000&pageitems=500000
"""
data = requests.get(url).json()
df = pl.DataFrame(data=data['data'], infer_schema_length=1000)
return df
def fangraphs_splits_scrape(player_input: str, year_input: int, start_date: str, end_date: str, split: str) -> pl.DataFrame:
"""
Scrape Fangraphs splits data for a specific player.
Parameters
----------
player_input : str
The player's ID.
year_input : int
The season year.
start_date : str
The start date for the data.
end_date : str
The end date for the data.
split : str
The split type (e.g., 'all', 'left', 'right').
Returns
-------
pl.DataFrame
The DataFrame containing the splits data.
"""
split_dict = {
'all': [],
'left': ['5'],
'right': ['6']
}
url = "https://www.fangraphs.com/api/leaders/splits/splits-leaders"
# Get Fangraphs player ID
fg_id = str(fangraphs_pitching_leaderboards(
year_input,
split='All',
start_date=f'{year_input}-01-01',
end_date=f'{year_input}-12-31'
).filter(pl.col('xMLBAMID') == player_input)['playerid'][0])
# Payload for basic stats
payload = {
"strPlayerId": fg_id,
"strSplitArr": split_dict[split],
"strGroup": "season",
"strPosition": "P",
"strType": "2",
"strStartDate": pd.to_datetime(start_date).strftime('%Y-%m-%d'),
"strEndDate": pd.to_datetime(end_date).strftime('%Y-%m-%d'),
"strSplitTeams": False,
"dctFilters": [],
"strStatType": "player",
"strAutoPt": False,
"arrPlayerId": [],
"strSplitArrPitch": [],
"arrWxTemperature": None,
"arrWxPressure": None,
"arrWxAirDensity": None,
"arrWxElevation": None,
"arrWxWindSpeed": None
}
# Fetch basic stats
response = requests.post(url, data=json.dumps(payload), headers={'Content-Type': 'application/json'})
data_pull = response.json()['data'][0]
# Payload for advanced stats
payload_advanced = payload.copy()
payload_advanced["strType"] = "1"
# Fetch advanced stats
response_advanced = requests.post(url, data=json.dumps(payload_advanced), headers={'Content-Type': 'application/json'})
data_pull_advanced = response_advanced.json()['data'][0]
# Combine basic and advanced stats
data_pull.update(data_pull_advanced)
df_pull = pl.DataFrame(data_pull)
return df_pull
def fangraphs_table(df: pl.DataFrame,
ax: plt.Axes,
player_input: str,
season: int,
split: str):
"""
Create a table of Fangraphs pitching leaderboards data for a specific player.
Parameters
----------
ax : plt.Axes
The axis to plot the table on.
season : int
The season year.
split : str
The split type (e.g., 'All', 'LHH', 'RHH').
"""
start_date = df['game_date'][0]
end_date = df['game_date'][-1]
# Fetch Fangraphs splits data
df_fangraphs = fangraphs_splits_scrape(player_input=player_input,
year_input=season,
start_date=start_date,
end_date=end_date,
split=split)
# Select relevant columns for the table
plot_table = df_fangraphs.select(['IP', 'WHIP', 'ERA', 'TBF', 'FIP', 'K%', 'BB%', 'K-BB%'])
# Format table values
plot_table_values = [format(plot_table[x][0], fangraphs_stats_dict[x]['format']) if plot_table[x][0] != '---' else '---' for x in plot_table.columns]
# Create the table
table_fg = ax.table(cellText=[plot_table_values], colLabels=plot_table.columns, cellLoc='center',
bbox=[0.0, 0.1, 1, 0.7])
# Set font size for the table
min_font_size = 20
table_fg.set_fontsize(min_font_size)
# Update column names with formatted headers
new_column_names = [fangraphs_stats_dict[col]['table_header'] for col in plot_table.columns]
for i, col_name in enumerate(new_column_names):
table_fg.get_celld()[(0, i)].get_text().set_text(col_name)
# Set header text properties
ax.text(0.5, 0.9, f'{start_date} to {end_date}{splits_title[split]}', va='bottom', ha='center',
fontsize=36, fontstyle='italic')
ax.axis('off')
def stat_summary_table(df: pl.DataFrame,
player_input: int,
sport_id: int,
ax: plt.Axes,
split: str = 'All'):
"""
Create a summary table of player statistics.
Parameters
----------
df : pl.DataFrame
The DataFrame containing pitch data.
player_input : int
The player's ID.
sport_id : int
The sport ID (1 for MLB, other for minor leagues).
ax : plt.Axes
The axis to plot the table on.
split : str, optional
The split type (default is 'All').
"""
# Format start and end dates
start_date_format = str(pd.to_datetime(df['game_date'][0]).strftime('%m/%d/%Y'))
end_date_format = str(pd.to_datetime(df['game_date'][-1]).strftime('%m/%d/%Y'))
# Determine app context based on sport ID
appContext = 'majorLeague' if sport_id == 1 else 'minorLeague'
# Fetch player stats from MLB API
pitcher_stats_call = requests.get(
f'https://statsapi.mlb.com/api/v1/people/{player_input}?appContext={appContext}&hydrate=stats(group=[pitching],type=[byDateRange],sportId={sport_id},startDate={start_date_format},endDate={end_date_format})'
).json()
# Extract stats and create DataFrame
pitcher_stats_call_header = [x for x in pitcher_stats_call['people'][0]['stats'][0]['splits'][-1]['stat']]
pitcher_stats_call_values = [pitcher_stats_call['people'][0]['stats'][0]['splits'][-1]['stat'][x] for x in pitcher_stats_call['people'][0]['stats'][0]['splits'][-1]['stat']]
pitcher_stats_call_df = pl.DataFrame(data=dict(zip(pitcher_stats_call_header, pitcher_stats_call_values)))
# Add additional calculated columns
pitcher_stats_call_df = pitcher_stats_call_df.with_columns(
pl.lit(df['is_whiff'].sum()).alias('whiffs'),
(pl.col('strikeOuts') / pl.col('battersFaced') * 100).round(1).cast(pl.Utf8).str.concat('%').alias('k_percent'),
(pl.col('baseOnBalls') / pl.col('battersFaced') * 100).round(1).cast(pl.Utf8).str.concat('%').alias('bb_percent'),
((pl.col('strikeOuts') - pl.col('baseOnBalls')) / pl.col('battersFaced') * 100).round(1).cast(pl.Utf8).str.concat('%').alias('k_bb_percent'),
(((pl.col('homeRuns') * 13 + 3 * ((pl.col('baseOnBalls')) + (pl.col('hitByPitch'))) - 2 * (pl.col('strikeOuts')))) / ((pl.col('outs')) / 3) + 3.15).round(2).map_elements(lambda x: f"{x:.2f}").alias('fip'),
((pl.col('strikes') / pl.col('numberOfPitches') * 100)).round(1).cast(pl.Utf8).str.concat('%').alias('strikePercentage'),
)
# Determine columns and title based on game count and sport ID
if df['game_id'][0] == df['game_id'][-1]:
pitcher_stats_call_df_small = pitcher_stats_call_df.select(['inningsPitched', 'battersFaced', 'earnedRuns', 'hits', 'strikeOuts', 'baseOnBalls', 'hitByPitch', 'homeRuns', 'strikePercentage', 'whiffs'])
new_column_names = ['$\\bf{IP}$', '$\\bf{PA}$', '$\\bf{ER}$', '$\\bf{H}$', '$\\bf{K}$', '$\\bf{BB}$', '$\\bf{HBP}$', '$\\bf{HR}$', '$\\bf{Strike\%}$', '$\\bf{Whiffs}$']
title = f'{df["game_date"][0]} vs {df["batter_team"][0]}'
elif sport_id != 1:
pitcher_stats_call_df_small = pitcher_stats_call_df.select(['inningsPitched', 'battersFaced', 'whip', 'era', 'fip', 'k_percent', 'bb_percent', 'k_bb_percent', 'strikePercentage'])
new_column_names = ['$\\bf{IP}$', '$\\bf{PA}$', '$\\bf{WHIP}$', '$\\bf{ERA}$', '$\\bf{FIP}$', '$\\bf{K\%}$', '$\\bf{BB\%}$', '$\\bf{K-BB\%}$', '$\\bf{Strike\%}$']
title = f'{df["game_date"][0]} to {df["game_date"][-1]}'
else:
fangraphs_table(df=df, ax=ax, player_input=player_input, season=int(df['game_date'][0][0:4]), split=split)
return
# Create and format the table
table_fg = ax.table(cellText=pitcher_stats_call_df_small.to_numpy(), colLabels=pitcher_stats_call_df_small.columns, cellLoc='center', bbox=[0.0, 0.1, 1, 0.7])
table_fg.set_fontsize(20)
for i, col_name in enumerate(new_column_names):
table_fg.get_celld()[(0, i)].get_text().set_text(col_name)
# Add title to the plot
ax.text(0.5, 0.9, title, va='bottom', ha='center', fontsize=36, fontstyle='italic')
ax.axis('off')
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