do you back transform variables when to perform em imputation in spss spss is it necessary to make non-normal variables normally distributed when using sql transform in SPSS what variables are normally distributed can i back transform a non-normal variable can you use spss to impute missing data with a square root why do we change nonnormal variables when em imputation do you have to squaring em variables before using spss what type of data is normally distributed in spss and em imputation does it make sense to transform variables before imputation can you transform non-normal variables before using em should i squarre nonnormal variable can a non-normal variable be imputation? does transform require normal variables when is it appropriate to transform non-normal data do you need to transform non-normal variables to use em imputation can you transform non-normal variable for em imputation when do you transform variables before spss when do you do em imputation in spss can you use the square root transform in spss to add missing data