feature_importance.py 文件源码

def b_and_a(feat, val):
    before, after = alt(feat, val)
    print 'Setting {} to {}'.format(feat, val)
    delta = after - before
    print 'Logits: {:.2f} -> {:.2f} ({}{:.2f})'.format(before, after,
        ('+' if delta >= 0 else ''), delta
        )
    print 'Prob: {:.3f} -> {:.3f}'.format(expit(before), expit(after))