https://communities.sas.com/t5/Statistical-Procedures/Survival-analysis/m-p/822440#M40710 <P>I have data in following format:</P> <P>data have;<BR />input<BR />TIME BIOMARKER;<BR />datalines;<BR />1 85.5<BR />2 80.4<BR />5 67.3<BR />8 34.2<BR />;<BR />run;</P> <P>&nbsp;</P> <P>I am trying to predict a time point at which the biomarker level will be below 1. Is there any way to directly conduct a survival analysis with data in this format?</P> <P>&nbsp;</P> <P>I was considering to create individual level observations from this first before conducting survival analysis. The decimal points I have is making this difficult.&nbsp;</P> <P>&nbsp;</P> Sat, 09 Jul 2022 19:59:45 GMT dac_js 2022-07-09T19:59:45Z https://communities.sas.com/t5/Statistical-Procedures/Survival-analysis/m-p/822440#M40710 <P>I have data in following format:</P> <P>data have;<BR />input<BR />TIME BIOMARKER;<BR />datalines;<BR />1 85.5<BR />2 80.4<BR />5 67.3<BR />8 34.2<BR />;<BR />run;</P> <P>&nbsp;</P> <P>I am trying to predict a time point at which the biomarker level will be below 1. Is there any way to directly conduct a survival analysis with data in this format?</P> <P>&nbsp;</P> <P>I was considering to create individual level observations from this first before conducting survival analysis. The decimal points I have is making this difficult.&nbsp;</P> <P>&nbsp;</P> Sat, 09 Jul 2022 19:59:45 GMT https://communities.sas.com/t5/Statistical-Procedures/Survival-analysis/m-p/822440#M40710 dac_js 2022-07-09T19:59:45Z