def get_slg_pfx(df):
ab = Baseball.get_atbats_df_pfx(df)
events = list(ab.groupby(['gameday_link','num']).first()['event'].values)
b1 = events.count('Single')
b2 = events.count('Double') * 2
b3 = events.count('Triple') * 3
b4 = events.count('Home Run') * 4
return (b1 + b2 + b3 + b4)/len(events)
def get_slg_per_atbat_pfx(df):
"""Calculate Total bases per ATBAT """
ab = len(Baseball.get_atbats_df_pfx(df))
tb = Baseball.get_tb(df)
return tb/len(events)
def get_atbats_count_pfx(df):
ab = Baseball.get_atbats_df_pfx(df)
return len(ab.groupby(['gameday_link','num']).first())
def get_atbats_count_pfx(df):
"""
Given a pitchab dataframe return the number of official at-bats
"""
ab = Baseball.get_atbats_df_pfx(df)
return len(ab.groupby(['gameday_link','num']).first())
