[R] delete data row

Joshua Wiley
Sat, 16 Oct 2010 17:30:49 -0000

Dear IRD,

One way is to select every row except those where y = y.j and then
assign that to IR.  In my example, which() returns a vector of the row
numbers where the condition evaluated TRUE, then I used `-` to select
not those rows.

IR <- IR[-which(IR$y == y.j), ]

HTH,

Josh

On Sat, Oct 16, 2010 at 5:02 AM, IRD <ird_ubru at hotmail.com>
wrote:
>
> ?Dear All
> I have data like this:
>> IR
> ? ? ?x ? ? ? ?y
> [1,] 5 2.865490
> [2,] 3 1.454611
> [3,] 3 2.258772
> [4,] 6 1.476128
> [5,] 4 2.771606
>> y.j
> ? ? ? y
> 2.865490
>>
> and I want to delete data row in IR where y = y.j
> How I can do.
> IRD
>
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>



--
Joshua Wiley
Ph.D. Student, Health Psychology
University of California, Los Angeles