[R] How do I sign off this server

[Bos, Roger]

John,

If you really do like the R-help list, you may want to see if your email
program has folders and auto-rules.  Since all R-help emails have [R] in
the subject line, you can put all those email in a separate folder so
everything doesn't get mixed up.  That is what I do.

HTH, Roger

-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
On Behalf Of Fresen, John
Sent: Sunday, October 26, 2008 11:42 PM
To: Fresen, John; r-help at r-project.org
Subject: Re: [R] How do I sign off this server

I signed onto this R-help server.  It's wonderful but I'm getting tooooo
many e-mails all mixed up with other important e-mails.  I can't cope
with it all.  
How do I sign off?

Thanks

John 

John L. Fresen, PhD
Department of Statistics, 134N Middlebush Hall University of
Missouri-Columbia, 65211, MO, US
(573) 882-9660 (phone)   (573) 884-5524 (fax)
www.stat.missouri.edu
-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
On Behalf Of Martin Ballaschk
Sent: Saturday, October 25, 2008 7:52 PM
To: r-help at r-project.org
Subject: Re: [R] help: selection of data

Hi Jim.

jim holtman schrieb:
> If you only want the first sequence,

Yes, that's true, I forgot to say that!

>> x <- c(-10, -5, 0, 5, 10, 15, 20)
>> y <- c(10, 10, 10, -5, -6, -7, 10)
>> data <- as.matrix( cbind(x, y) )
>> # if you only want the first 'run', then use 'rle' to find it mask <-

>> data[,1] > 0 & data[,2] > min(data[,2]) run <- rle(mask) # now either

>> the first or second will be TRUE, so find it offset <- cumsum(c(1, 
>> run$lengths))  # off set of the start of
sequence
>> index <- if (run$values[1]) 1 else 2
>> new_data <- data[seq(from=offset[index], length=run$lengths[index]),]
>>

Although I'm far from understanding that -- it seems to work very well
for me. Will have a look into it tomorrow ...

Thanks!

Cheers
Martin

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______________________________________________
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http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.

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