search for: cezar

...ow if exists a manner to get the first index where a condition is attained in a vector. For example, There is a better solution than first.index <- table(subject[corretor==27])[1] (give me the subject for the first time that corretor is 27)? Thanks, ======================================== Cezar Freitas (ICQ 109128967) IMECC - UNICAMP Campinas, SP - Brasil

...rix(runif(6),ncol=2)) names(my.data) [1] "X1" "X2" for(i in names(my.data)){ my.variable <- cat(paste("my.data$", i, "\n", sep="")) print(mean(my.variable)) } #it doesn't work. Thnaks for all, C. ======================================== Cezar Freitas (ICQ 109128967) IMECC - UNICAMP Campinas, SP - Brasil

Hi there, I have a binary matrix (dim 100x100) filled with values 0 and 1. I need select a record "n" positions of that matrix when values are 1. How can I do that? Thanks for all, Miltinho Brazil --------------------------------- [[alternative HTML version deleted]]

There exists a plot 3d functions (or similar) in R? Thanks, ======================================== Cezar Freitas (ICQ 109128967) IMECC - UNICAMP Campinas, SP - Brasil -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the &...

Hi, friends! Has R estimation (library, for example) to do estimation in HMM? Thanks in advance, ======================================== Cezar Freitas Estatistico - Comissao Permanente para os Vestibulares / UNICAMP Probabilidade e Estatistica Aplicadas - IME / USP | IMECC / UNICAMP Campinas | Sao Paulo, SP - Brasil

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...d.X("myimage.jpg") add.image(image, x.left=2, y.bottom=4, size="40%") #points the left-bottom corner and the reative size of image abline(x=3, col=2, lwd=2) #continues editing the plot window. text(2,3,labels="example of graphics and image") Is it possible? Thanks, Cezar Freitas [[alternative HTML version deleted]]

...the machine in both sittuations and checked free memory. Tecnichal details: Machine: Intel Core 2 Duo DDR2 4 Gb RAM Windows version: XP Professional - 32 bits R version: 2.9* binaries Linux version: Ubuntu 8* (Hardy) - 64 bits R version: 2.9* binaries and 2.9* compiled from source Thanks to all, Cezar Freitas #code  N = 50000  n = 15000    #makes data  dad = as.data.frame(cbind(sample(N,N,replace=FALSE), rpois(N,30)))  names(dad) = c("id","age")    aux = as.data.frame(cbind(sample(N,n,replace=FALSE), round(runif(n),4)))  names(aux) = c("id","score")    #...

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...use apply, the factor structure is missed: > apply(restr[,c("p1","p2")], 2, table) $p1 1 2 4 26 1 1 $p2 1 2 3 4 5 13 11 1 2 1 Can I use a matricial (like apply) manner to do this holding the factor structure (the zero-counts must be displayed)? Thanks, Cezar Freitas Unicamp - Brasil

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