类的使用
org.meteoinfo.dataframe.DataFrameGroupBy

使用DataFrameGroupBy的程序包

程序包	说明
org.meteoinfo.dataframe

org.meteoinfo.dataframe中DataFrameGroupBy的使用

返回DataFrameGroupBy的org.meteoinfo.dataframe中的方法

修饰符和类型	方法	说明
DataFrameGroupBy	DataFrame.groupBy(Integer... columns)	Group the data frame rows using columns
DataFrameGroupBy	DataFrame.groupBy(Object... columns)	Group the data frame rows using columns
DataFrameGroupBy	DataFrame.groupBy(List<Object> columns)	Group the data frame rows using columns
DataFrameGroupBy	DataFrame.groupBy(KeyFunction function)	Group the data frame rows using the specified key function.
DataFrameGroupBy	DataFrame.groupByIndex(String pStr)	Group the data frame rows using the specified key function.
DataFrameGroupBy	DataFrame.groupByIndex(WindowFunction function)	Group the data frame rows using the specified key function.