Re: [R] Problem with dea.boot under R 3.0.1

Dear Vera, I had a similar problem once and as far as I can remember the reason were some negative inputs or outputs. # Check for negative values x1a.neg - apply(x1a, 1, function(x) any(x0)) y1.neg - apply(y1, 1, function(x) any(x0)) exclude - x1a.neg | y1.neg # Exclude negative rows x1a.neg -

[R] Pass Conditional loop argument into a function

Dear R community, I have been spending hours to solve my problem myself but I'm just unable to do it. So excuse me if I demand your time. My problem is, that inside my function, I want to pass conditional arguments (that are the result of a loop) into a function. I am sure that my approach is

Re: [R] Pass Conditional loop argument into a function

Thank you for your improvement suggestions. I forgot to write the I() and it's clear that I have to specify the data (which I was indicating with the '...' without explicitly writing it). In this special case where I need a formula you really helped me with the function as.formula() to transform

Re: [R] Pass Conditional loop argument into a function

Ok I see that point with the quotes. But what I want to do still doesn't work: a - matrix(1:15,ncol=3) b - paste( paste(a[, ,paste(1:3), ],sep=) ,^,1:3,sep=,collapse=+) b #[1] a[,1]^1+a[,2]^2+a[,3]^3 #instead of (which I want) a[,1]^1+a[,2]^2+a[,3]^3 #[1] 1368 1779 2264 2829 3480 or I want to

Re: [R] Multiple Comparisons-Kruskal-Wallis-Test: kruskal{agricolae} and kruskalmc{pgirmess} don't yield the same results although they should do (?)

I see.. So apparently the different functions are doing the same thing! :-) Besides I didn't know the groups should have about the same size. Thank you four your time Mr. Dalgaard. -- View this message in context:

Re: [R] Kruskal-Wallis test and kruskalmc

I didn't do any research about this but I think it's the following: If you run several t-tests to compare groups and then do a tukey-HSD you won't get the same results either. It's the same with the kruskal-wallis test. This happens because the variance that is used for computing significant

Re: [R] Multiple Comparisons-Kruskal-Wallis-Test: kruskal{agricolae} and kruskalmc{pgirmess} don't yield the same results although they should do (?)

Thank you for your answer. The p.adj argument in the kruskal()-function doesn't seem to change anything... Not even the bonferroni-method although it is described as the most conservative one (multiplying all p-values with the number of comparisons). I suppose the kruskal()-function is not working

[R] Multiple Comparisons-Kruskal-Wallis-Test: kruskal{agricolae} and kruskalmc{pgirmess} don't yield the same results although they should do (?)

Hi there, I am doing multiple comparisons for data that is not normally distributed. For this purpose I tried both functions kruskal{agricolae} and kruskalmc{pgirmess}. It confuses me that these functions do not yield the same results although they are doing the same thing, don't they? Can anyone

[R] Problem when index is given by a changing formula in loop - BUG??

Dear community, I have a little problem filling in a vector with loop output. I think the problem is the following: I am caluclating the index which indicates where the loop output should be placed at by a formula. But when I want to fill in or read out some specific index places this doesn't

[R] identify() doesn't return true numbers

Dear R community. I am using the identify() function to identify outliers in my dataset. This is the code I am using: # Function to allow identifying points in the QQ plot (by mouseclicking) qqInteractive - function(...,

[R] clusplot() for all used variables - not only for 2 principal components?

Hi there, To see the results of my clustering graphically I was using clusplot. But it only provides a look at the two most important components of the dataset. I recently found the Mclust() function which produces very nice colored pair plots for the clustered dataset. see Graph: