Re: [R] Experiment Design

2014-06-13 Thread Chatcher
Thanks for the comments. I think i phrased my question incorrectly but the following gave me what I wanted. 18 treatments(plants) , 3 blocks, a total of 54 plots. I could not figure out exac library(agricolae) trt- c(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18) design.rcbd(trt, 3, serie = 2,

Re: [R] Experiment Design

2014-06-13 Thread Denis Haine
I guessed you mean 2 treatment groups, N=18 and 3 blocks (so n=6 per block): blocks - 3 ngroups - 2 groupsize - 3 group - NULL; block - NULL; set.seed(911) for (i in 1:blocks){ foo - sample(rep(c('A', 'B'), groupsize)) group - c(group, foo) block - c(block, rep(i, groupsize*ngroups))

[R] Experiment Design

2014-06-12 Thread Chatcher
Good Morning, I would like help with code that creates a RBD experiment. That is I have 18 treatments and I will need three blocks. I cannot seem to find an easy way to do this in R. I think it is a relatively easy thing to do but i tried Agricolae and seem to be getting so lost I cannot even get

Re: [R] Experiment Design

2014-06-12 Thread Sarah Goslee
Sorry, try this again. Does this help: http://www2.warwick.ac.uk/fac/sci/moac/degrees/moac/ch923/lectures/moac_-_designing_experiments_in_r.pdf If not, we need some more specifics about what you've tried and where you are running into problems. Sarah On Thu, Jun 12, 2014 at 11:34 AM,