Exemplo n.º 1
0
 def kurtosis_custom(column, mean, count):
     return ((count*df_sum(df_pow(column - mean, int(4)))) / df_pow(df_sum(df_pow(column - mean, int(2))),2)) -3
Exemplo n.º 2
0
 def skewness_custom(column, mean, count):
     return ((np.sqrt(count) * df_sum(df_pow(column - mean, int(3)))) / df_pow(sqrt(df_sum(df_pow(column - mean, int(2)))),3))
Exemplo n.º 3
0
 def variance_custom(column, mean, count):
     return df_sum(df_pow(column - mean, int(2))) / float(count-1)
Exemplo n.º 4
0
 def kurtosis_custom(column, mean, count):
     return ((count*df_sum(df_pow(column - mean, int(4)))) / df_pow(df_sum(df_pow(column - mean, int(2))),2)) -3
Exemplo n.º 5
0
 def skewness_custom(column, mean, count):
     return ((np.sqrt(count) * df_sum(df_pow(column - mean, int(3)))) / df_pow(sqrt(df_sum(df_pow(column - mean, int(2)))),3))
Exemplo n.º 6
0
 def variance_custom(column, mean, count):
     return df_sum(df_pow(column - mean, int(2))) / float(count-1)