actsnclass.purity

actsnclass.purity(label_pred: list, label_true: list, ia_flag=1)

Calculate purity.

Parameters:

• label_pred (list) – Predicted labels
• label_true (list) – True labels
• ia_flag (int (optional)) – Flag used to identify Ia objects. Default is 1.

Returns:

Purity – Fraction of true SN Ia in the final classified Ia sample.

Return type:

float