search for: getslice

Displaying 2 results from an estimated 2 matches for "getslice".

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2008 Jul 06
3
Lots of huge matrices, for-loops, speed
...y ~ ", paste(xnam, collapse="+")) rm (xnam) # Loop through rows for (j in 1:rows) { getgrid <- function (j) { print (paste ("Row",j,"/",rows),quote = F) # Read out multi-temporal response values for one grid-row of cells for (k in 1:times) { getslice <- function (k) { values <- scan (filelist [k], what=0, na.strings = "-9999", skip = (5 + j), nlines = 1, nmax = cols, quiet=T) values } out1[k,] <- getslice (k) } # Regression for (l in 1:cols) { y <- as.vector (out1...
2000 Feb 29
2
Reading data from file made by C fwrite
Hello! First, I must also congratulate the R core team with their accomplishment! I have gotten to like R a lot, and I have recommended it for inclusion in an "Astronomy for Linux"-distribution which is in use by many professional astronomers and observatories. I'm currently working on importing data from files created by a C program (that I have not written myself, I have the