Saring semua kolom dalam panda
In[1]:
import pandas as pd
import numpy as np
df = pd.DataFrame(np.random.rand(10,5))
corr = df.corr()
corr.shape
Out[1]: (5, 5)
###################
In [2]: corr_triu = corr.where(~np.tril(np.ones(corr.shape)).astype(np.bool))
corr_triu
Out[2]:
0 1 2 3 4
0 NaN 0.228763 -0.276406 0.286771 -0.050825
1 NaN NaN -0.562459 -0.596057 0.540656
2 NaN NaN NaN 0.402752 0.042400
3 NaN NaN NaN NaN -0.642285
4 NaN NaN NaN NaN NaN
##################
In [3]: corr_triu = corr_triu.stack()
corr_triu[corr_triu > 0.3]
Out[3]:
1 4 0.540656
2 3 0.402752
dtype: float64
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