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| def run_match_up_simulation(fastball_surrender_prob, curve_surrender_prob, change_surrender_prob, fastball_hit_prob, | |
| curve_hit_prob, change_hit_prob, zero_zero_pitch_probs, zero_zero_hit_surrender_prob, | |
| zero_zero_hit_prob, one_zero_pitch_probs, one_zero_hit_surrender_prob, one_zero_hit_prob, | |
| zero_one_pitch_probs, zero_one_hit_surrender_prob, zero_one_hit_prob, one_one_pitch_probs, | |
| one_one_hit_surrender_prob, one_one_hit_prob, two_zero_pitch_probs, | |
| two_zero_hit_surrender_prob, two_zero_hit_prob, zero_two_pitch_probs, | |
| zero_two_hit_surrender_prob, zero_two_hit_prob, one_two_pitch_probs, | |
| one_two_hit_surrender_prob, one_two_hit_prob, two_one_pitch_probs, | |
| two_one_hit_surrender_prob, two_one_hit_prob, three_zero_pitch_probs, | |
| three_zero_hit_surrender_prob, three_zero_hi |
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| def run_pitch_simulation(count, count_swing_prob, pitch_probs, count_surrender_prob, fastball_surrender_prob, | |
| count_hit_prob, fastball_hit_prob, curve_surrender_prob, curve_hit_prob, | |
| change_surrender_prob, change_hit_prob, df): |
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| if pitch == 'fastball': | |
| hit_prob = (count_surrender_prob + fastball_surrender_prob + count_hit_prob + fastball_hit_prob) / 4 | |
| if swing == 'yes': | |
| outcome = np.random.choice(a=['hit', 'no_hit'], p=[hit_prob, 1 - hit_prob]) | |
| elif swing == 'no': | |
| outcome = 'no_hit' | |
| df = df.append(pd.DataFrame({'count': count, 'pitch': 'fastball', 'swing': swing, 'result': [outcome]})) | |
| elif pitch == 'curve': | |
| hit_prob = (count_surrender_prob + curve_surrender_prob + count_hit_prob + curve_hit_prob) / 4 |
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| pitch = np.random.choice(a=['fastball', 'curve', 'change'], p=pitch_probs) | |
| swing = np.random.choice(a=['yes', 'no'], p=[count_swing_prob, 1 - count_swing_prob]) |
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| at_bat_results = pd.DataFrame() | |
| at_bat_results = run_pitch_simulation(count='0-0', | |
| count_swing_prob=zero_zero_swing_prob, | |
| pitch_probs=zero_zero_pitch_probs, | |
| count_surrender_prob=zero_zero_hit_surrender_prob, | |
| fastball_surrender_prob=fastball_surrender_prob, | |
| count_hit_prob=zero_zero_hit_prob, | |
| fastball_hit_prob=fastball_hit_prob, | |
| curve_surrender_prob=curve_surrender_prob, |
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| last_row_df = at_bat_results.tail(1) | |
| if last_row_df['swing'].any() == 'yes': | |
| end_of_at_bat = np.random.choice(a=['yes', 'no'], p=[swing_produces_out, 1 - swing_produces_out]) | |
| else: | |
| end_of_at_bat = 'no' | |
| if at_bat_results['result'].any() == 'no_hit' and end_of_at_bat == 'no': | |
| new_count = np.random.choice(a=['0-1', '1-0'], p=[0.50, 0.50]) |
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| simulation_runs = 100 | |
| counter = 0 | |
| while counter < simulation_runs: | |
| temp_df = run_match_up_simulation(fastball_surrender_prob, curve_surrender_prob, change_surrender_prob, | |
| fastball_hit_prob, curve_hit_prob, change_hit_prob, zero_zero_pitch_probs, | |
| zero_zero_hit_surrender_prob, zero_zero_hit_prob, one_zero_pitch_probs, | |
| one_zero_hit_surrender_prob, one_zero_hit_prob, zero_one_pitch_probs, | |
| zero_one_hit_surrender_prob, zero_one_hit_prob, one_one_pitch_probs, | |
| one_one_hit_surrender_prob, one_one_hit_prob, two_zero_pitch_probs, | |
| two_zero_hit_surrender_prob, two_zero_hit_prob, zero_two_pitch_probs, |
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| import pandas as pd | |
| import subprocess | |
| from sklearn.tree import DecisionTreeClassifier, export_graphviz | |
| def main(): | |
| df = pd.DataFrame({ | |
| 'location': ['MO', 'MO', 'MO', 'MO', 'KS', 'KS', 'KS', 'IL', 'IL', 'IL'], | |
| 'age': [29, 30, 21, 40, 45, 60, 35, 24, 47, 50], |
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| #!/bin/bash | |
| # create directories | |
| mkdir data | |
| mkdir helpers | |
| mkdir modeling | |
| mkdir scratch | |
| mkdir tests | |
| mkdir utilities |
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| import sqlite3 | |
| import pandas as pd | |
| import numpy as np | |
| from time import sleep | |
| from datetime import datetime | |
| def connect_to_sqlite(db_name): | |
| """ |
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