[R] plot Predicted survival probabilitie

c('mean')) Error in Getlimi(name[i], Limval, need.all = TRUE) : no limits defined by datadist for variable Age -- can someone give me any advice about this problem and to create nice plot with x axis a continuous predictor and y axis the predicted survival? Thank you Dr. Matteo Pettin

[R] problem with ROCR

Dear R team I have a problem with the installation of the RCOR package; any time I try to install it I get the error message: Error: package 'ROCR' was built before R 2.10.0: please re-install it. What can I do to solve this problem? Thank you Kind regards Dr. Matteo Pettin