search for: interp_out

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2008 Mar 20
1
Use of Factors
...ADENPV07 ADENPVJN ADENPV0Z ADENPVM9 ADENPVMB Levels: ADENPV07 ADENPVJN ADENPV0Z ADENPVM9 ADENPVMB Why is the $HR variable listed as "90 levels" as if it is a factor? Why is it not treated as floating point to get simple mean? Here is how the HR values are generated: # create the array interp_out=array(,c(18,length(cols2))) # create the values to interpolate to interp_out[,3]=c(0,25,50,75,100,125,150,175,200,0,25,50,75,100,125,150,1 75,200); # fill the visits interp_out[,2]=c(1,1,1,1,1,1,1,1,1,2,2,2,2,2,2,2,2,2) # fill the SubjID interp_out[,1]=SubjID; Now fill in interplated values for eac...