sorting of data
One of the most useful functions: ?subset as in nsmSubData <- subset(nsmalldata, SESSIONID==7757513)
On 10/26/05, Bill Hunsicker <BHunsicker at rfmd.com> wrote:
R-Help, I am trying to reduce at data set to rows where a specified value occurs in a specified value. Below is a screen capture of Rgui:
nsmalldata <-read.csv("c:\\DATA\\UNITY\\\PASS0_DOWNFADE\\nsmall.csv")
nsmalldata
BOARDNUMBER SESSIONID MATRIXID ARRAYPOINT Temperature PS1 PS2 PS13 PS14 PS15 1 LB0DC 3043 7757513 1 -9999 -9999 -9999 3.6 5 -5 2 LB0DC 3043 7757515 1 -9999 -9999 -9999 3.6 5 -5 3 LB0DC 3043 7757517 1 -9999 -9999 -9999 3.6 5 -5 4 LB0DC 3043 7757520 1 -9999 -9999 -9999 3.6 5 -5 5 LB0DC 3043 7757522 1 -9999 -9999 -9999 3.6 5 -5 6 LB0DC 3043 7757524 1 -9999 -9999 -9999 3.6 5 -5 7 LB0DC 3043 7757526 1 -9999 -9999 -9999 3.6 5 -5 8 LB0DC 3043 7757528 1 -9999 -9999 -9999 3.6 5 -5 9 LB0DC 3043 7757531 1 -9999 -9999 -9999 3.6 5 -5 10 LB0DC 3043 7757533 1 -9999 -9999 -9999 3.6 5 -5 11 LB0DC 3043 7757535 1 -9999 -9999 -9999 3.6 5 -5 12 LB0DC 3043 7757537 1 -9999 -9999 -9999 3.6 5 -5 13 LB0DC 3043 7757540 1 -9999 -9999 -9999 3.6 5 -5 14 LB0DC 3043 7757542 1 -9999 -9999 -9999 3.6 5 -5 15 LB0DC 3043 7757544 1 -9999 -9999 -9999 3.6 5 -5 16 LB0DC 3043 7757547 1 -9999 -9999 -9999 3.6 5 -5 17 LB0DC 3043 7757549 1 -9999 -9999 -9999 3.6 5 -5 18 LB0DC 3043 7757551 1 -9999 -9999 -9999 3.6 5 -5 19 LB0DC 3043 7757554 1 -9999 -9999 -9999 3.6 5 -5 20 LB0DC 3043 7757556 1 -9999 -9999 -9999 3.6 5 -5
For Example
I would like to reduce nsmalldata to only the rows where
SESSIONID==7757513
I have spent quite a bit of time with R manuals and still have not
gotten there, can you help me?
Thanks in advance.
Regards,
Bill
Bill Hunsicker
RF Micro Devices
7625 Thorndike Road
Greensboro, NC 27409
336-678-5260(W)
610-579-9985(M)
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