《大数据处理实践探索》---- 使用pyspark 进行kaggle比赛Give me some credit数据集的建模与分析（4. 逻辑回归 Logistic Regression进行二分类）

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评分卡模型

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Logistic Regression spark api

Logistic regression is a popular method to predict a categorical response. It is a special case of Generalized Linear models that predicts the probability of the outcomes. In spark.ml logistic regression can be used to predict a binary outcome by using binomial logistic regression, or it can be used to predict a multiclass outcome by using multinomial logistic regression. Use the family parameter to select between these two algorithms, or leave it unset and Spark will infer the correct variant.

Multinomial logistic regression can b