matriks korelasi pands ke dataframe
correlations = df_no_zeroes_revenue.corr().unstack().sort_values(ascending=False) # Build correlation matrix
correlations = pd.DataFrame(correlations).reset_index() # Convert to dataframe
correlations.columns = ['col1', 'col2', 'correlation'] # Label it
correlations[(corrlations.correlation) > 0.5 & (correlations.correlation < 1)] # to see the highest correlated variables
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