If two or more columns in a data set have the same name, the program will record the index of the first one it encounters and ignore the rest, meaning the data in the other columns is thrown out. While generally not a problem, it may be better to alert the user to the duplication.
If two or more columns in a data set have the same name, the program will record the index of the first one it encounters and ignore the rest, meaning the data in the other columns is thrown out. While generally not a problem, it may be better to alert the user to the duplication.