我理解特征重要性list可以打印出来,这样我们可以看出哪些特征没意义,打印特征重要性还有其他作用吗
现在有100个特征,如果加了1个特征,我想让这个特征起绝对的大作用 是做不到的吧?这个新特征也就能影响1/101的模型结果?
we can print the feature importance list, so that we can remove the bad features.
If we have 100 features, then we add 1 very important feature(we want this one very importance), but the new feature can only affect 1/101 of the model output?