Displaying 1 result from an estimated 1 matches for "file_namr".
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file_name
2011 Oct 28
2
sorting data
....4400363878507 2300.05521684593
0 1 3 27469.1130543141 40.7540672493746 2299.32564458085
0 1 4 27442.3152643187 52.4342875797706 2277.18286686329
0 1 5 27440.7923082136 54.8003481512783 2274.49112409585
.....
I tried following :
first i wanted just to sort 4th column
>a<-read.tables("file_namr")
>attributes(a)
gives class as
$class
[1] "data.frame"
and
> sort(a[4])
Error in `[.data.frame`(x, order(x, na.last = na.last, decreasing =
decreasing)) :
undefined columns selected
How can I sort the data according to value in 4th column and print along
with other colum...