Python之sklearn2pmml:sklearn2pmml库函数的简介、安装、使用方法之详细攻略
目录
sklearn2pmml是用于将Scikit学习管道转换为PMML的Python库。这个库是JPMML-SkLearn命令行应用程序的一个瘦包装。有关支持的评估器和转换器类型的列表,请参考JPMML-SkLearn特性。
pip install sklearn2pmml
pip install --user -i https://pypi.tuna.tsinghua.edu.cn/simple sklearn2pmml
- import pandas
-
- iris_df = pandas.read_csv("Iris.csv")
-
- iris_X = iris_df[iris_df.columns.difference(["Species"])]
- iris_y = iris_df["Species"]
-
- from sklearn.tree import DecisionTreeClassifier
- from sklearn2pmml.pipeline import PMMLPipeline
-
- pipeline = PMMLPipeline([
- ("classifier", DecisionTreeClassifier())
- ])
- pipeline.fit(iris_X, iris_y)
-
- from sklearn2pmml import sklearn2pmml
-
- sklearn2pmml(pipeline, "DecisionTreeIris.pmml", with_repr = True)
- import pandas
-
- iris_df = pandas.read_csv("Iris.csv")
-
- iris_X = iris_df[iris_df.columns.difference(["Species"])]
- iris_y = iris_df["Species"]
-
- from sklearn_pandas import DataFrameMapper
- from sklearn.decomposition import PCA
- from sklearn.feature_selection import SelectKBest
- from sklearn.impute import SimpleImputer
- from sklearn.linear_model import LogisticRegression
- from sklearn2pmml.decoration import ContinuousDomain
- from sklearn2pmml.pipeline import PMMLPipeline
-
- pipeline = PMMLPipeline([
- ("mapper", DataFrameMapper([
- (["Sepal.Length", "Sepal.Width", "Petal.Length", "Petal.Width"], [ContinuousDomain(), SimpleImputer()])
- ])),
- ("pca", PCA(n_components = 3)),
- ("selector", SelectKBest(k = 2)),
- ("classifier", LogisticRegression(multi_class = "ovr"))
- ])
- pipeline.fit(iris_X, iris_y)
- pipeline.verify(iris_X.sample(n = 15))
-
- from sklearn2pmml import sklearn2pmml
-
- sklearn2pmml(pipeline, "LogisticRegressionIris.pmml", with_repr = True)
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