[R] expand.grip for permutations

2012-10-31 Thread trekvana
if i were to have a block size of 4 people and i want to assign a treatment combination to the entire block, there would be 16 different treatment combinations (, TTTP, TTPP, PTTP, etc.) i am trying to get all 16 permutations and i am able to use this code below. drugs=c('P','T');

Re: [R] expand.grip for permutations

2012-10-31 Thread trekvana
thank you both! that worked! -- View this message in context: http://r.789695.n4.nabble.com/expand-grip-for-permutations-tp4648067p4648076.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-project.org mailing list

[R] How make a x,y dataset from a formula based entry

2011-09-22 Thread trekvana
Hello all, So I am using the (formula entry) method for randomForests: randomForest(y~x1+x2+...+x39+x40,data=xxx,...) but the issue is that some of the items in that package dont take a formula entry - you have to explicitly state the y and x vector:

[R] Question about plot.mona {cluster}

2011-09-09 Thread trekvana
Hello all, I what to print the banner plot that is output from the mona method in the cluster package but the problem is I dont want to print all that red ink. Here is an example: data(animals) ma - mona(animals) ma ## Plot similar to Figure 10 in Struyf et al (1996) plot(ma) I can change the

[R] How to check conditional dependence

2010-09-18 Thread trekvana
Hello all- Lets say I have my dependent variable Y_ij and a time varying covariate X_ij. I want to formulate some regression model to check if X_ij is dependent on X_i1,X_i2,,X_i(j-1) and Y_i1,Y_i2,,Y_i(j-1). I want to test no dependence on the Y component. I'm thinking a simple linear

[R] Pesky homemade function code

2010-09-16 Thread trekvana
Hi all- this seems to be simple to figure out but since im new to writing functions I dont know what is happening. Here is my code along with the error I am receiving: semivario=function(data,ids,times,resids){ id=unique(data$ids) index=combinations(length(data$times[data$ids==id[1]]),2)

Re: [R] Pesky homemade function code

2010-09-16 Thread trekvana
@Thierry- I am writing my own semivariogram code since I could not find a pre-made function that did what I need it do. The code in the function correctly works but I not sure how to get the function itself to work. In other words if I fill in the commands (hope,id,sctime,scResid) by hand then

[R] SAS to R

2010-07-12 Thread trekvana
Hi everyone I dont know how to code in SAS but I do know how to code in R. Can someone please be kind enough to translate this into R code for me: proc mixed data = small method = reml; class id day; model weight = day/ solution ddfm = bw; repeated day/ subject=id type = unstructured; run;

[R] modify the make.link function GLM

2010-05-08 Thread trekvana
can someone please tell me how modify the make.link function i want to update the function with this code but every time i save it R never keeps my new version. i have tried to unbind first and then assign. i also tried the fixInNamespace but that doesnt work either. can someone please tell me

Re: [R] glm binomial loglog (NOT cloglog) link

2010-05-08 Thread trekvana
can you please say specifically how to modify the make.link function -- View this message in context: http://r.789695.n4.nabble.com/glm-binomial-loglog-NOT-cloglog-link-tp849370p2135909.html Sent from the R help mailing list archive at Nabble.com. __