https://communities.sas.com/t5/SAS-Programming/Sas-WOCF/m-p/261351#M50840 <P>Hi,</P> <P>&nbsp;</P> <P>WOCF = Worst Observation Carried Forward</P> <P>LOCF = Last Observations Carried Forward</P> <P>BOCF = Best Observation Carried Forward</P> <P>&nbsp;</P> <P>For continuous data it can be important to have values at each timepoint. &nbsp;Each of these appies a rule for missing data that a previous result is put where the missing data element is, so for instance if visit 2 is missing, but visit 1 is present, and LOCF is specified then the visit 1 result is put into visit 2 also.</P> Tue, 05 Apr 2016 12:40:37 GMT RW9 2016-04-05T12:40:37Z https://communities.sas.com/t5/SAS-Programming/Sas-WOCF/m-p/261340#M50832 <P>Hi, Can any one please let me know what is WOCF, LOCF, BOCF, Average. Please give me the example.</P><P>Any relavant clinical examples?</P><P>&nbsp;</P> Tue, 05 Apr 2016 12:22:12 GMT https://communities.sas.com/t5/SAS-Programming/Sas-WOCF/m-p/261340#M50832 Sandy1985 2016-04-05T12:22:12Z https://communities.sas.com/t5/SAS-Programming/Sas-WOCF/m-p/261351#M50840 <P>Hi,</P> <P>&nbsp;</P> <P>WOCF = Worst Observation Carried Forward</P> <P>LOCF = Last Observations Carried Forward</P> <P>BOCF = Best Observation Carried Forward</P> <P>&nbsp;</P> <P>For continuous data it can be important to have values at each timepoint. &nbsp;Each of these appies a rule for missing data that a previous result is put where the missing data element is, so for instance if visit 2 is missing, but visit 1 is present, and LOCF is specified then the visit 1 result is put into visit 2 also.</P> Tue, 05 Apr 2016 12:40:37 GMT https://communities.sas.com/t5/SAS-Programming/Sas-WOCF/m-p/261351#M50840 RW9 2016-04-05T12:40:37Z