Phenotype File has a Header Row Check this box if the Alternate Phenotype File has a header row providing phenotype names. Otherwise, phenotype variables are named Pheno1-PhenoN. For detailed information about the files and data sets used or created by JMP Life Sciences software, see Files and Data Sets. To Indicate That the Alternate Phenotype File Has a Header Row: Specify a Folder of Raw Files and Alternate Phenotype File. Check the box.