Created
August 7, 2018 07:00
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def count_drop(numbers): | |
return len([x for x in numbers if x < 0]) | |
def count_up(numbers): | |
return len([x for x in numbers if x > 0]) | |
df['Change'] = df['Value USD'] - df['Value 2'] | |
df.drop('Value 2', axis=1, inplace=True) | |
#Change for the past 7 days | |
df['Mean Change 7'] = df['Change'].rolling(7).mean() | |
#number of times the price dropped the last 7 days | |
df['Drop 7'] = df['Change'].rolling(7).apply(count_drop, raw=True) | |
#number of times the price increased the last 7 days | |
df['Up 7'] = df['Change'].rolling(7).apply(count_up, raw=True) | |
#drop rows with NA's created at the first days missing history to compare | |
df.dropna(inplace=True) | |
#reset the index | |
df.reset_index(drop=True, inplace=True) | |
df.head(10) |
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