MAPE 平均绝对百分误差

 

from fbprophet.diagnostics import performance_metrics
df_p = performance_metricsdf_cv)
df_p.head)

 

  horizon mse rmse mae mape coverage
3297 37 days 0.481970 0.694241 0.502930 0.058371 0.673367
35 37 days 0.480991 0.693535 0.502007 0.058262 0.675879
2207 37 days 0.480936 0.693496 0.501928 0.058257 0.675879
2934 37 days 0.481455 0.693870 0.502999 0.058393 0.675879
393 37 days 0.483990 0.695694 0.503418 0.058494 0.675879

 

mape平均绝对百分误差

定义

def evalmapepreds, dtrain):
    gaps = dtrain.get_label)
    err = absgaps-preds)/gaps
    err[gaps==0)] = 0
    err = np.meanerr)*100
    return 'error',err  

Published by

风君子

独自遨游何稽首 揭天掀地慰生平

发表回复

您的电子邮箱地址不会被公开。 必填项已用 * 标注