Re: [R] correlation value and map

Hi Jenny! So if i understand your datafile corect you have 960 case for a year. Any you have 43 years.. Yes? I'm not sure you should use correlation in this situation because of the autocorrelation of the data. There are big autocorrelation on spatial data's like what you use, and there are also

Re: [R] memory problem --- use sparse matrices

: UweL Zoltan Kmetty wrote: Hi! I had some memory problem with R - hope somebody could tell me a solution. I work with very large datasets, but R cannot allocate enough memoty to handle these datasets. I want work a matrix with row= 100 000 000 and column

Re: [R] min() return factor class values

Hi Milton! I don't know why, but this thing happend with me too, quite a lot times. It's a useful way that convert the value type like that: *as.numeric(as.character(min(...)))* Zoltan 2007/1/9, Milton Cezar Ribeiro [EMAIL PROTECTED]: Hi R-friends I don´t know why the min() function below

Re: [R] Speeding things up

Hi Benjamin! ##TRY THIS: THIS MAYBE MUCH FASTER, BECAUSE ONLY WORK WITH THE IMPORTANAT ROWS - HOPE NO ERROR IN IT:D puffer1 - as.matrix(sdata$value) puffer2 - rbind(as.matrix(puffer1[2:nrow(puffer1),1]),0) speedy - puffer1 puffer2 speedy - (as.matrix(which(puffer1==TRUE)))+1 sdata$ddtd[]=0

Re: [R] Export dataframe to txt

#Try: Write.table(...) #Zoltan 2007/1/8, Benjamin Dickgiesser [EMAIL PROTECTED]: Hi all, Is there a function to export a dataframe to a text file? I want to store a large set of data which I have saved in a dataframe in my workspace and copy and past doesn't cut it. Thank you, Benjamin

[R] memory problem

Hi! I had some memory problem with R - hope somebody could tell me a solution. I work with very large datasets, but R cannot allocate enough memoty to handle these datasets. I want work a matrix with row= 100 000 000 and column=10 A know this is 1 milliard cases, but i thought R could handle