Laura Quinn wrote:
Thanks for your help everyone,
My data is a matrix. However if i use the command:
x[(x[,20] > 315 | x[,20] < 45), ]
and then request a summary, I get a warning message saying that a large
number of the row names have been duplicated - I don't understand this?
If x is the orig
On 20-Oct-03 Laura Quinn wrote:
> Probably a stupid question, but I don't seem to be able to find the
> answer I'm looking for from any of the R literature. Basically I have
> a matrix with several thousand rows and 20 columns(weather stations)
> of wind direction data.
>
> I am wanting to extract
Thanks for your help everyone,
My data is a matrix. However if i use the command:
x[(x[,20] > 315 | x[,20] < 45), ]
and then request a summary, I get a warning message saying that a large
number of the row names have been duplicated - I don't understand this?
On 20 Oct 2003, Douglas Bates wrote
Laura Quinn <[EMAIL PROTECTED]> writes:
> Probably a stupid question, but I don't seem to be able to find the answer
> I'm looking for from any of the R literature. Basically I have a matrix
> with several thousand rows and 20 columns(weather stations) of wind
> direction data.
Is it a matrix or
try:
mat[(mat[,20] > 315 | mat[,20] < 45),]
At 06:41 PM 10/20/2003 +0100, Laura Quinn wrote:
>Probably a stupid question, but I don't seem to be able to find the answer
>I'm looking for from any of the R literature. Basically I have a matrix
>with several thousand rows and 20 columns(weather sta
x[x[,20]<45 | x[,20]>315, ]
On Mon, 20 Oct 2003, Laura Quinn wrote:
> Probably a stupid question, but I don't seem to be able to find the answer
> I'm looking for from any of the R literature. Basically I have a matrix
> with several thousand rows and 20 columns(weather stations) of wind
> dire