随机森林_处理不均衡数据

随机森林_处理不均衡数据

balanced 加上balanced 参数

# 处理不均衡的数据
from sklearn.ensemble import RandomForestClassifier
from sklearn import datasets
from sklearn.feature_selection import SelectFromModel
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iris = datasets.load_iris()
features = iris.data
target = iris.target
# 删除前40个
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