Subsetting a data table into several data tables by column value
Dear Community,I want to split my data table into several smaller data tables that contain only the rows where a column has a certain value. This I want to do for all unique values of the column. With the example of the Big Class data: I want to generate two data tables in which one has only the rows where sex= F and the other the rows where sex = M. They have to be two separate data tables. With ...