This function checks that fixedrows and gstandard parameters are correct. Also return a value indicating if it is or not valid and what kind of output should be shown at the end of the execution.
CheckSampling(fixedrows, gstandard)
Arguments
fixedrows: Boolean. Indicate if sample rows are fixed beforehand. Default is TRUE.
gstandard: Text. Indicate if there are a Gold Standard by Rows or columns. Only first letter matter without Case sensitivity. Options are: "N" for None, "R" for in Rows and "C" for in Columns. Default is "N".