SUGI 23: Proving it Works: Using PROC COMPARE …

1 Proving it Works: Using PROC COMPARE to Verify an Analysis Converted into SAS Softwareby Lauren Haworth, MA, Programmer,and Njeri Karanja, , , Nutrition ScientistKaiser Permanente Center for Health Research, Portland, OregonAbstractWhen SAS Software is used to replace legacy softwaresystems, programmers are often asked to recreate analy-ses run on the old system. The challenge for the pro-grammer is to make the results from the new systemmatch the results from the old system, so analyses will becomparable over paper explores the use of PROC COMPARE toprove that a new analysis system written in SAS producesresults that exactly match those produced by a legacysoftware system. The example in this paper involves theanalysis of a survey form called the Food FrequencyQuestionnaire (FFQ), which is used in nutrition researchto capture information about a respondent s typical frequency with which food is consumed is one of avariety of methods for assessing the dietary intake ofgroups and The frequency method asksrespondents to report the frequency with which they con-sume each food, from a pre-selected list of foods, over aspecified time ,3 The information is then used todevelop a dietary profile for the individual respondent orthe are many food frequency i

1 Proving it Works: Using PROC COMPARE to Verify an Analysis Converted into SAS Software by Lauren Haworth, MA, Programmer, and …

Loading..

Tags:

  Using, Corps, Work, Compare, Proving, Using proc compare, Proving it works

Information

Related search queries