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bg fix : approximation

This commit is contained in:
Steve Nyemba 2021-04-04 13:52:15 -05:00
parent fc7b694d02
commit 12d7573ba8
1 changed files with 11 additions and 1 deletions
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12
pipeline.py
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@ -169,14 +169,24 @@ class Components :
#
# @TODO: create bins?
r = np.random.dirichlet(values+.001) #-- dirichlet doesn't work on values with zeros
_sd = values[values > 0].std()
_me = values[values > 0].mean()
x = []
_type = values.dtype
for index in np.arange(values.size) :
if np.random.choice([0,1],1)[0] :
value = values[index] + (values[index] * r[index])
else :
value = values[index] - (values[index] * r[index])
#
# randomly shifting the measurements
if np.random.choice([0,1],1)[0] and _me > _sd:
if np.random.choice([0,1],1)[0] :
value = value * np.divide(_me,_sd)
else:
value = value + (np.divide(_me,_sd))
value = int(value) if _type == int else np.round(value,2)
x.append( value)
np.random.shuffle(x)
@ -305,7 +315,7 @@ class Components :
if real_df[_col].unique().size > 0 :
_df[_col] = self.approximate(real_df[_col])
_df[_col] = self.approximate(real_df[_col].values)
_approx[_col] = {
"io":{"min":_df[_col].min().astype(float),"max":_df[_col].max().astype(float),"mean":_df[_col].mean().astype(float),"sd":_df[_col].values.std().astype(float),"missing": _df[_col].where(_df[_col] == -1).dropna().count().astype(float),"zeros":_df[_col].where(_df[_col] == 0).dropna().count().astype(float)},
"real":{"min":real_df[_col].min().astype(float),"max":real_df[_col].max().astype(float),"mean":real_df[_col].mean().astype(float),"sd":real_df[_col].values.std().astype(float),"missing": real_df[_col].where(_df[_col] == -1).dropna().count().astype(float),"zeros":real_df[_col].where(_df[_col] == 0).dropna().count().astype(float)}