Pearson's correlation coefficients matrix

correlation_coeff_matrix.py

def get_corr_coeff(dataframe):
    import matplotlib.pyplot as plt
    import numpy as np
    import seaborn as sns
    # data is the dataframe having the attributes which you want to get the correlation coeffcients from
    cm = np.corrcoef(dataframe[dataframe.columns].values.T)
    sns.set(font_scale=1.5)
    hm = sns.heatmap(cm, cbar=True, annot=True, square=True, fmt='.2f', \
        annot_kws={'size': 10}, yticklabels=dataframe.columns, xticklabels=dataframe.columns)
    plt.show()
    
    return cm