Re: [R] rcspline.plot query

2011-06-12 Thread Chalikias George
The actual dataframe that I have imported on R is Death adp 1 0 58.00 2 1 18.70 3 0 21.75 4 1 25.35 5 0 20.55 6 1 28.05 7 0 50.15 8 1 31.25 9 1 32.75 10 1 28.95 11 1 15.10 12 0 45.05 13 1 19.95 14 0 32.95 15 0 22.60 16

Re: [R] rcspline.plot query

2011-06-12 Thread Frank Harrell
Please see my previous note and please read the documentation. Also note the difference between a character string literal in quotes and the name of a vector, which is usually not quoted. Frank Chalikias George wrote: The actual dataframe that I have imported on R is Death adp 1

[R] rcspline.plot query

2011-06-11 Thread Georgios Chalikias
Dear all, As I am new to the R community - although eager to advance- I would like to pose a question to the community. I have an SPSS file which I have imported it in R (with the read.spss command) which conists of scale (continuous) variable adiponectin and the corresponding categorical

Re: [R] rcspline.plot query

2011-06-11 Thread Frank Harrell
The error message is literally true, as you did not specify any data to the function at all. Please read the documentation. Also, note that rcspline.plot is largely replaced by the R rms package, although it may have value if there is only one predictor and that predictor is continuous. Also