when can I cross validate a model for a repeating repeating measurement? how to cross validation for proc can sas r2 validate model what is the use of proc mixed does proc mixed cross validation can the model be run as a multiple measure model with sas proc mixed can you cross validate proc mixed model what is proc mixed cross validation can you cross validation for repeated measurement can you cross validate multiple data sets in a model can you use proc mixed for repeated measurement what model do you use for repeated measurement in SAS do you cross validate data using proc sas? what validation methods can be used to validate repeating measure why is the cross validation method used for repeated measuring can i do cross validation with proc mixed does proc mixed perform cross validation why does sas proc mixed do cross validation? can we cross-validate proc mixed model in sas sas proc mixed definition