g a value, whatever. I want to do
it efficiently though (for loops are very slow).
How can I do that?
M
On Tue, Jul 26, 2011 at 10:12 AM, Ista Zahn wrote:
> Hi Merik,
> Please keep the mailing list copied.
>
> On Tue, Jul 26, 2011 at 6:44 AM, Merik Nanish
> wrote:
> > You can c
On Tue, Jul 26, 2011 at 10:12 AM, Ista Zahn
wrote:
> OK, easy enough:
>
> dat.tmp <- data.frame(id, month, value)
> my.plot <- function(dat) {print(dat[, c("id", "value")])}
> by(dat.tmp, id, my.plot)
Excellent. The output of that last line is:
* id value
1 110
2 112
3 111
4 1
Hello,
Here are three vectors to give context to my question below:
*id<- c(1,1,1,1,1,2,2,2,3,3,3))
month <- c(1, 1, 2, 3, 6, 2, 3, 6, 1, 3, 5)
value <- c(10, 12, 11, 14, 16, 12, 10, 8, 14, 11, 15)*
and I want to plot "value" over "month" separately for each "id". Before I
can do that, I nee
Hello,
I'm using ROCR to plot ROC Curves and I want to automate the saving of plots
into PNG files using a custom function.
My data frames are named like test1, test2, test3. Each data frame has three
variables: method1, method2, goldstandard.
Right now, for each plot I have to run:
png('test1_
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