search for: adiponectin

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 value "death" (0=No, 1=Yes). In all there are 60 observations (among which there are 26 events). I am trying to do rcspline.plot (model="logisitc", nk=5, knots=NULL) however the error message that i get is "fewer than 6 non mi...