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Good afternoon Has anyone tried using Dr. Elith's BRT script? I cannot seem to run gbm.step from the installed gbm package. Is it something external to gbm? When I run the script itself <- gbm.step(data=model.data, gbm.x = colx:coly, gbm.y = colz, family = "bernoulli", tree.complexity = 5, learning.rate = 0.01, bag.fraction = 0.5) ... I keep encountering the same error: ERROR: unexpected ')' in "bag.fraction = 0.5)" I've tried all sorts of variations (such as) sep22BRT.lr01 &l...

...t;- as.data.frame(lapply(letters,function(x) { rep(x,each=50) })) > > names(vtmp) <- paste("col",LETTERS,sep="") > > head(vtmp) > colA colB colC colD colE colF colG colH colI colJ colK colL colM colN > colO colP colQ colR colS colT colU colV colW colX colY colZ > 1 a b c d e f g h i j k l m n > o p q r s t u v w x y z > 2 a b c d e f g h i j k l m n > o p q r s t u v w x y z > 3 a b c...

Excelente! Ahora corre muy rápido. No conocía ese método, creo que me va a resultar muy útil. Muchas gracias y saludos. Fernando Macedo El 24/02/15 a las 10:51, Jorge I Velez escribió: Fernando, Podrias intentar R> a <- rep('a', 5) R> b <- rep('b', 5) R> a [1] "a" "a" "a" "a" "a" R> b [1] "b"

I've recently found out using read.table i can insert a table into R from a .dat file. The problem i'm having is now that i've got R to read the package i want to use the data from each column. I've tried adding titles to each column using col.name, but it assigns a name to the entire table and wont recognize the name i gave the table later in programming. Is there something

Hi, Could you please advice some easy way to do the following for a dataframe (header=F) having unequal column- & row- length. 1. Combine/stack/join contents from - a) multiple rows into one column. b) multiple columns into one row. 2. Stack contents from multiple columns (or, rows) into one column (or, row). Thank you. Cheers, Santana [[alternative HTML