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Hello, I am trying to print a crosttabulation of mean,sd,n for a continuous variable crossclassified by anoother/s grouping variables. I came up with: xtab2 <- function(x,g1,g2) { funy <- function(z) list(mean(z,na.rm=T),sd(z,na.rm=T),length(z)) aa <- by(x,list(g1,g2),funy) bb <- matrix(unlist(aa),nrow=3 ,dimnames=list(c("mean","sd","n"),

useR's, I want to apply this function to the columns of a data frame: u[u >= range(v)[1] & u <= range(v)[2]] where u is the n column data frame under consideration and v is a data frame of values with the same number of columns as u. For example, v1 <- c(1,2,3) v2 <- c(3,4,5) v3 <- c(2,3,4) v <- as.data.frame(cbind(v1,v2,v3)) uk1 <- seq(min(v1) - .5, max(v1) + .5,

Hi, I am new in R and I have problem with reading this data file 0 TITLE Title 0 XLEGEND Legend -1 LABEL x 1 1 12 1 2 30 1 3 34 I want to read only lines starting with 1 (it indicates 1st plotting line) and create data set from second and third value on this row. Thank for advice Jakub Zlamal -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list

i study the code of function ave,but i can understand one line of the syntax. > ave function (x, ..., FUN = mean) { n <- length(list(...)) if (n) { g <- interaction(...) split(x, g) <- lapply(split(x, g), FUN) } else x[] <- FUN(x) x } my question is : what does "split(x, g) <- lapply(split(x, g), FUN)" mean? thank you! --

Hey dudes, Nice work by the CentOS team in giving us arguably the best distro in the world. When is update 3 coming out? What changes are expected in it? The reason i ask is that i applied the openoffice.org 2.0.1-1 rpms and now WINE is not playing so nicely. It may be a good time to re-wipe the system and reinstall update 3 from fresh ISO's. some of these "goodies" from upstream

I can call my Broadvoice DID from a outbound caller-id blocked phone, and BV happily delivers the CID to Asterisk (and then on to my IP phone display.) I've tested with the *67 prefix from a PSTN phone to make sure it was supposed to be blocked. The number is always correct, but sometimes the the caller ID name is set to something funky (like a CO or switch center name.) I *think* this

And another try for constant folding of Instructions for nvc0. Please Review this! Thanks, Tobias Klausmann Tobias Klausmann (4): nvc0/ir: clear subop when folding constant expressions nvc0/ir: Handle reverse subop for OP_EXTBF when folding constant expressions nvc0/ir: Handle OP_BFIND when folding constant expressions nvc0/ir: Handle OP_POPCNT when folding constant expressions

I just made my first 2 modules for asterisk (The 1st one is depriciated already). I was annoyed that i couldn't get GotoIf to take any expressions besides a boolean then i made a module to mimic gotoif and parse a few expressions like (${var} > 12) exten => 1,1,gotoif_expr,${var} > 12:1|4:1|5 Then I immediatly obseleted it with this new embedded perl module that lets you