what is the r2 of the validated model what is r2 of validated model how long is holdout a valid model for a regression experiment what is the r2 of validation sample how is a r2 based on the holdout sample when to use a holdout sample which variables does a simple linear regression use? how many variables are fit for model validation what is the range for r2 when to use a six variable multiple linear regression what r2 do you need for validation which logistic model is the only one to use holdout as the measure of the model? avg which variable is used for multiple linear regression in the validation sample what is the variance of a model holdout how to determine valid model in multiple logistic regression what is the r2 for a mlr model what is the difference between the two regression models? why would you use more than one holdout for a model what is the r2 of validation for multiple linear regression what is the average r2 of a valid test which is the best multiple linear regression to use for a six variable model?