spark-技术链接

GBDT原理及利用GBDT构造新的特征-Python实现

https://blog.csdn.net/shine19930820/article/details/71713680

https://github.com/tjmashu/pyspark_learning/blob/master/pyspark.ml.classification.ipynb

pyspark系列--日期函数

https://blog.csdn.net/suzyu12345/article/details/79673569#4-%E5%AD%97%E7%AC%A6%E8%BD%AC%E6%97%A5%E6%9C%9F

PySpark︱DataFrame操作指南：增/删/改/查/合并/统计与数据处理

https://blog.csdn.net/sinat_26917383/article/details/80500349

pyspark系列--dataframe基础

https://blog.csdn.net/suzyu12345/article/details/79673493#12-%E7%BC%BA%E5%A4%B1%E5%80%BC

PySpark 2.4.0 documentation»pyspark package

http://spark.apache.org/docs/latest/api/python/pyspark.sql.html#pyspark.sql.DataFrame.where