Order Annotation Data Set by SNP column order This option arranges the Annotation SAS Data Set by SNP column order. Uncheck this option if: • You are not using an annotation data set , OR • You will manually order the columns of the Output Data Set OR rows of the annotation data set so that the data sets are ordered consistently. For detailed information about the files and data sets used or created by JMP Life Sciences software, see Files and Data Sets . To Order the Annotation Data Set by SNP Column Order: Ensure that the box is checked.