Dear Splus users: I would like to know whether it is possible to identify an index using the which() function. Here is my problem: [,1] [,2] [,3] [,4] [,5] [,6] [,7] [1,] 0 0 3 10 15 15 5 [2,] 0 1 10
Dear S-Plus users, In the User's Guide, S-Plus 200, page 193, detailled steps to annotate a graph are given. My difficulty is to get the label (Ford Festiva 4 in the detailled example) appeared. Supp
Happy New Year to All, I would you appreciate any help with how to carry out a nonlinear principal component analysis with S+ 2000 (windows version). Thanks in advance Pat
Many thanks to Andy Liaw, Frank E. Harrell Jr and Edward Malthouse. Replies are quick and helpful. REPLIES Trevor Hastie has Splus functions for principal curves, which can be found either on StatLib
Dear All, while trying codes in R I notice that M[seq(1, len=...),,,] (M is a matrix) is not working when len = 0. It supposed to return a vector of length 0. I wonder can anyone point me in the righ
Dear S-plus users: I am using the while() function and would appreciate your help with the case where their two conditions to be evaluate. I tried while(a>b & The system performs while(a>b) {expr.} i
Dear All, I am running S-plus 2000 under windows 98 and can't get functions "Matrix" and "det" run while the function "matrix" runs fine. Below are my attempts. size = 9, replace = T), nrow = 3, ncol
Dear All, I am trying to calculate the determinant of matrix x (actually a correlation matrix). S-plus displays the following error message. det(x) Error in UseMethod("det"): No specific or default m
Dear All, I collect data using 7-point Likert-type scale and would like to carry out an item analysis. Does anyone have code for such analysis? Crosstabulations of Data Summaries allow to obtain coun
Dear S+ users, I am brand new to S-plus and seeking help to deal with following two problems. 1) var1<-c(5.1,4.9,4.7,4.6,5.0,5.4,4.6,5.0,4.4,4.9,5.4,4.8,4.8, 4.3,5.8, 5.7,5.4,5.1,5.7,5.1,5.4,5.1,4.6,
Thanks Sven. This adds one more technique to my learning. Now, my understing is that cut(x,br) is based upon assumption of normal distribution. Is there any way make use another distribution? I'm afr
Dr. Gunter, Thanks for your reply. Here comes my thinking "In practice Sturges' rule is applied by dividing the sample range of the data into the prescribed number of equal-width bins....Sturges' ru