search for: mad2

...models don't fit, because if one or more data is missing I cannot create the vectors and the matrix, as well. So, my question is: is it possible to create a vector with a missing object, substituting that object with NA in the vector? For example: I want to create this vector Vec1<-c(MAD1,MAD2,MAD3,MAD4) but MAD4 is missing and as a consequence R return an error like this: "object 'MAD4' not found" Is it possible to say to R that if it does not find an object it must substitute that object with NA in the vector? Many Thanks, Fabio Mr. Fabio Veronesi Ph.D. student C...

Hi. I''ve got here the following configuration: (turn on fixed pitch font to be able to see the scheme in a more accurately way) Client machines <-----> ADSL Router 1 <-----> INTERNET (192.168.0.0/24) (192.168.0.229) NAT Client machines <-----> ADSL Router 1 <-----> INTERNET (192.168.1.0/24) (192.168.1.229) NAT [if doesn''t really

Dear all, Here is my code which am using to combine 5th column from different data sets. Here is the function to do my job genesymbol.append.file <-NULL gene.column <- NULL readGeneSymbol <- function(files,genesymbol.column=5){ for(i in fnames){ temp <- read.table(fnames,header=T,sep="\t",stringsAsFactors=F,quote="\"")