Suggested References for Beginners Character to Numeric Variable Conversion Numeric to Character Variable Conversion Reading Comma-delimited Data Reading Colon and Tab Delimited Data Reading Variable Length Data Reading Multiple Raw Data Files User Written Formats Taking Random Samples of Observations SAS Dataset Modification Dates Dates in Two Digit Year Formats Subsetting Data with the WHERE Statement Sorting Very Large Datasets Match-Merging without Matching By-Variables Compressing Observations in a Dataset Suppressing Proc Means Output Exporting PROC FREQ Output to Excel How to import an Excel File into SAS SAS Graph Output Writing a Dataset to a Text File SAS "Help" Menu Error Message SAS Software Renewals