search for: sumi

hi all, I want to get a cumsum according to the order of some variable. However, it doesnt' work. For example, ********************** test<-data.frame(cbind(x=c(3,5,2,6,7),y=c(8,1,4,9,0))) test[order(test$x),]$sumy<-cumsum(test[order(test$x),]$y) ********************** R complians Warning message: In `[<-.data.frame`(`*tmp*`, order(test$x), , value = list(x = c(2, : provided 3

...on does). I'd follow the naming convention in the existing celt_pitch_xcorr_arm.s, and use "process1", personally. > + int i; > + float32x4_t XX[4]; > + float32x4_t YY[4]; > + float32x4_t SUMM; > + float32x2_t ZERO; > + float32x2x2_t tv; > + float sumi; > + float *xi = x; > + float *yi = y; > + > + ZERO = vdup_n_f32(0); > + SUMM = vdupq_n_f32(0); > + > + /* Work on 16 values per cycle */ s/cycle/iteration/ (here and below). In performance-critical code when you say cycle I think machine cycle, and NEON definitely...

...d be uncorrelated with x(i,1); u(i,4) should be uncorrelated with x(i,1) and also with x(i,2). Blundell Bond adds the further condition that u(i,4) should be uncorrelated with x(i,2)-x(i,1). so, I think of having four sums, each over all firms i's. Let me call cross-sectional summing as sumi. the penalty function to minimize is sumi u(i,3)[a]*x(i,1) + sumi u(i,4)[a]*x(i,1) + sumi u(i,4)[a]*x(i,2) + sumi u(i,4)*(x(i,2)-x(i,1)) I am missing the correct H weights on the terms in this sum, which is some GMM magic that I do not understand (though I can copy it from their article)....

Hi I am a beginner with R. I have been trying to import a tab delimited excel file but i get the following error message > file.show('C:\Documents and Settings\stats\Desktop\SUMI\plasma2.txt') Warning message: file.show(): file 'C:Documents and SettingsstatsDesktopSUMIplasma2.txt' does not exist I have understood the programming part but i cannot go ahead unless i have imported the file. I have consulted the R-help archive without success. Any help will be a...

Dear all I have a function in which I would like to change some values to NA according to some condition. dropout<-function(y, nahr=FALSE,...) { <some stuff for computing an index> if (nahr) y[index]<<-NA invisible(index) } in case y is a vector all works OK but if it is a part of data frame by calling dropout(df$y) or dropout(df[,number]) no change is done. Please can you

Hi, Optimizes celt_pitch_xcorr for floating point. Changes from RFCv1: - Rebased on top of commit aad281878: Fix celt_pitch_xcorr_c signature. which got rid of ugly code around CELT_PITCH_XCORR_IMPL passing of "arch" parameter. - Unified with --enable-intrinsics used by x86 - Modified algorithm to be more in-line with algorithm in celt_pitch_xcorr_arm.s Viswanath Puttagunta

Hello, I am trying to use 'R' for K-means simulatio, could you please advise me how I can read my data into a two dimesional array? Or is there any method which directly reads the excell file? Please let me know asap. Regards Skanda Kallur Cogito, Ergo Sum! Rene Descartes

Dear all, I have 9 data frames, and I'm simply trying to sum the values of column 3 (on a row-by-row basis). However, there are a slightly different number of rows in each data frame, so I'm receiving the following error: "Error in Ops.data.frame(mrunoff_207101[3], mrunoff_207102[3]) : ? + only defined for equally-sized data frames". Here is what I'm attempting to do:

I am using a binomial mixture model to estimate abundance (N) and detection probability (p) using simulated count data: -Each site has a simulated abundance that follow a Poisson distribution with lambda = 5 -There are 200 simulated sampled sites -3 repeated counts at each site - only 50 percent of the animals are counted during each count (i.e, detection probability p =0.5, see codes) We removed

Hi, Out of curiosity I got to learn Ruby on Rails. Wondering somehow, as to which Data base is best suited for Ruby on Rails and Why? Any Comments/Suggestions Please! Thanks Manu --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to

...* Computes single correlation values and stores in *sum + */ +void xcorr3to1_kernel_neon_float(const float *x, const float *y, + float *sum, int len) { + int i; + float32x4_t XX[4]; + float32x4_t YY[4]; + float32x4_t SUMM; + float32x2_t ZERO; + float32x2x2_t tv; + float sumi; + float *xi = x; + float *yi = y; + + ZERO = vdup_n_f32(0); + SUMM = vdupq_n_f32(0); + + /* Work on 16 values per cycle */ + while (len >= 16) { + XX[0] = vld1q_f32(xi); + xi += 4; + XX[1] = vld1q_f32(xi); + xi += 4; + XX[2] = vld1q_f32(xi); + xi += 4;...

From: Viswanath Puttagunta <viswanath.puttagunta at linaro.org> Hi, Optimizes celt_pitch_xcorr for floating point. Changes from RFCv1: - Rebased on top of commit aad281878: Fix celt_pitch_xcorr_c signature. which got rid of ugly code around CELT_PITCH_XCORR_IMPL passing of "arch" parameter. - Unified with --enable-intrinsics used by x86 - Modified algorithm to be more

Hi, all I am new to Ruby and also Ruby on Rails. I would like to know how we can get the RSS Feeds and display them in a Ruby on Rails applications. Thanks in Advance, sumi -- Posted via http://www.ruby-forum.com/.

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Dear all, We have samba-3.0.11 on freebsd 5.4 as file/print server it works perfect, but if two users open the same file together the second still can write to the file it cannot be allowed in you situation. But the other server with freebsd 4.11 doesn't have this problem perfectly do write lock on open file, so may be it's freebsd 5.x problem? I can't find what's wrong,

Hi list, I was wondering is it possible for third part apps to force LEVEL_II oplocks? We have designer office with autocad 2004 which doesn't do level2 oplocks, but M$ Word do all the time. It seems that M$ Word create lock file like name.ext => ~$me.ext but autcad create name.dwg => name.dwl lock file. Thanks. -butsyk