1. P

    Proc MI fully conditional specification

    Hi everybody, I'm using multiple imputation with the fully conditional specification (fcs) method in SAS (proc mi, fcs statement) to replace missing values in 26 variables. My choice for fcs was motivated by the fact that the missing value pattern was arbitrary. All variables (except one)...
  2. R

    Multiple Imputation "cannot find an imputed value under the constraints for variable"

    Hi, I am attempting (and so far failing) to use multiple imputation in SPSS to fill blanks in my data set. I ran the multiple impuation using the default settings and it worked fine except for the fact I was getting values way below my detection limits, some values were even negative...