7838
email: dav...@wpspublish.com
-Original Message-
From: Peter Ehlers [mailto:ehl...@ucalgary.ca]
Sent: Tuesday, October 26, 2010 9:23 AM
To: David Herzberg
Cc: Petr PIKAL; r-help@r-project.org
Subject: Re: [R] Conditional looping over a set of variables in R
I would still
.ca]
Sent: Tuesday, October 26, 2010 9:23 AM
To: David Herzberg
Cc: Petr PIKAL; r-help@r-project.org
Subject: Re: [R] Conditional looping over a set of variables in R
I would still recommend
vector_of_column_number <- apply(yourdata, 1, match, x=1)
as the simplest way if you only want the
43:09 GMT+00:00
Subject: Re: [R] Conditional looping over a set of variables in R
Hi
r-help-boun...@r-project.org napsal dne 25.10.2010 20:41:55:
Adrienne, there's one glitch when I implement your solution below. When
the
loop encounters a case with no data at all (that is, all 140 item
Thank you - I will try this solution as well.
Sent via DROID X
-Original message-
From: Petr PIKAL
To: David Herzberg
Cc: Adrienne Wootten , "r-help@r-project.org"
Sent: Tue, Oct 26, 2010 06:43:09 GMT+00:00
Subject: Re: [R] Conditional looping over a set of variables i
drie...@gmail.com] On
Behalf
> Of Adrienne Wootten
> Sent: Friday, October 22, 2010 9:09 AM
> To: David Herzberg
> Cc: r-help@r-project.org
> Subject: Re: [R] Conditional looping over a set of variables in R
>
> David,
>
> here I'm referring to your data as testmat
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email: dav...@wpspublish.com
From: wootten.adrie...@gmail.com [mailto:wootten.adrie...@gmail.com] On Behalf
Of Adrienne Wootten
Sent: Friday, October 22, 2010 9:09 AM
To: David Herzberg
Cc: r-help@r-project.org
Subject: Re: [R] Conditional looping over a s
On Sun, Oct 24, 2010 at 2:54 PM, Peter Ehlers wrote:
> Whoops, got an extra comma in there somehow; should be:
>
> apply(d, 1, function(x) match(1, x))
>
A slight variation on this would be:
apply(d, 1, match, x = 1)
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FAX: (310)478-7838
email: dav...@wpspublish.com
-Original Message-
From: William Dunlap [mailto:wdun...@tibco.com]
Sent: Friday, October 22, 2010 9:52 AM
To: David Herzberg; r-help@r-project.org
Subject: RE: [R] Conditional looping over a s
n...@tibco.com]
Sent: Friday, October 22, 2010 9:52 AM
To: David Herzberg; r-help@r-project.org
Subject: RE: [R] Conditional looping over a set of variables in R
You were a bit vague about the format of your data.
I'm assuming all columns were numeric and the entries are one of 0, 1, and NA
(
: wootten.adrie...@gmail.com [mailto:wootten.adrie...@gmail.com] On Behalf
Of Adrienne Wootten
Sent: Friday, October 22, 2010 9:09 AM
To: David Herzberg
Cc: r-help@r-project.org
Subject: Re: [R] Conditional looping over a set of variables in R
David,
here I'm referring to your data as testm
-7838
email: dav...@wpspublish.com
-Original Message-
From: William Dunlap [mailto:wdun...@tibco.com]
Sent: Friday, October 22, 2010 9:52 AM
To: David Herzberg; r-help@r-project.org
Subject: RE: [R] Conditional looping over a set of variables in R
You were a bit vague about the format of
time in seconds
user system elapsed
0.080.000.08
Bill Dunlap
Spotfire, TIBCO Software
wdunlap tibco.com
> -Original Message-
> From: r-help-boun...@r-project.org
> [mailto:r-help-boun...@r-project.org] On Behalf Of David Herzberg
> Sent: Friday, Octob
David,
here I'm referring to your data as testmat, a matrix of 140 columns and 1500
rows, but the same or similar notation can be applied to data frames in R.
If I understand correctly, you are looking for the first response (column)
where you got a value of 1. I'm assuming also that since your m
Here's the problem I'm trying to solve in R: I have a data frame that consists
of about 1500 cases (rows) of data from kids who took a test of listening
comprehension. The columns are their scores (1 = correct, 0 = incorrect, . =
missing) on 140 test items. The items are numbered sequentially a
14 matches
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