search for: carlosguerra

Dear friends, I am having some doubts about the amount of memory that is being used by R in my Mac (MacBook Pro, 2Gig). Is there a way to increase the amount of memory used? When I type: > mem.limits() the result is: nsize vsize NA NA and I can't change it, tough my computing in R isn't using all the memory at it's disposal. Best regards, Carlos -- Carlos GUERRA

...the information in an object into a file with a dbf extension (e.g. test.dbf)? Best regards, Carlos +++++++++++++++++++++++++++++++ Carlos GUERRA Instituto Polit?cnico de Viana do Castelo Escola Superior Agr?ria de Ponte de Lima Mosteiro de Ref?ios do Lima 4990-706 Ponte de Lima PORTUGAL MAIL: carlosguerra at esa.ipvc.pt TEL: +351 912 407 109 +++++++++++++++++++++++++++++++ -------------- next part -------------- FID ALTIM TEMP CLI FAS 0 14 4 1 2 1 65 1 1 3 2 54 1 7 1 3 112 1 5 1 4 117 4 2 1 5 180 2 1 2 6 54 4 1 3 7 125 4 1 2 8 217 4 2 2 9 171 3 2 2 10 37 4 3 3 11 114 2 4 3 12 229 4 4 3 13 286 3 3 3...

Good morning to you all, I have a problem with a set of matrices that I want to compare. I want to see the similarity between them, and to be able to extract the differences between them. They have all the same number of columns and rows, and correspond presence absence data: for example: m1 <- matrix(c(1,0,0,0,1,0,1,1,1,1,1,1), 3,4) m2 <- matrix(c(1,0,1,0,1,0,0,1,0,1,0,1), 3,4) I

Dear useR's, I wanted to load the package GeoXP in my computer but I couldn't because this warning message appeared: > require(GeoXp) Carregando pacotes exigidos: GeoXp Carregando pacotes exigidos: tcltk Loading Tcl/Tk interface ... Erro em fun(...) : couldn't connect to display ":0" Al?m disso: Warning message: pacote 'GeoXp' foi compilado na vers?o do R 2.4.1

Dear all, I have a table like this: > a <- read.csv("test.csv", header = TRUE, sep = ";") > a UTM pUrb pUrb_class 1 NF1885 20,160307 NA 2 NF1886 51,965649 NA 3 NF1893 26,009581 NA 4 NF1894 3,141484 NA 5 NF1895 64,296826 NA 6