[R] Nomogram

Hi R users. I have a model of cox that already it is estimated (I have only the model estimated, I haven't data), how can I determine a nomogram with R? Is it posible to do nomograms in Design package? I think that's only when the model (Cox Regression in this case) is before estimated i

[R] Sample size

Hi for all. How can I determinate in R the sample size to estimate a logistic regression with two outcomes. One of outcomes was 47% in population and I want determine the factors that influence that probability. Thanks everyone __ R-help@r-project