I found in the fullrefman only the function rsq.rpart with the search tearm r-square or rsquare. SPSS returnes the R Square an i am not albe to found the value in R Maybe there is another name for it Model Summary(d) Model R R Square Adjusted R Square Std. Error of the Estimate 1 ,768(a) ,589 ,584 171,032 Regards Knut