Intermountain Healthcare
[EMAIL PROTECTED]
(801) 408-8111
-Original Message-
From: Ken Williams [mailto:[EMAIL PROTECTED]
Sent: Thursday, July 12, 2007 3:50 PM
To: Greg Snow; R-help@stat.math.ethz.ch
Subject: Re: [R] Compute rank within factor groups
On 7/12/07 4:28 PM, Greg Snow
Hi,
I have a data.frame which is ordered by score, and has a factor column:
Browse[1] wc[c(report,score)]
report score
9 ADEA 0.96
8 ADEA 0.90
11 Asylum_FED9 0.86
3 ADEA 0.75
14 Asylum_FED9 0.60
5 ADEA 0.56
13 Asylum_FED9 0.51
16
Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Ken Williams
Sent: Thursday, July 12, 2007 12:09 PM
To: R-help@stat.math.ethz.ch
Subject: [R] Compute rank within factor groups
Hi,
I have a data.frame which is ordered by score, and has a
factor column:
Browse
Is this what you are looking for:
x
report score
9 ADEA 0.96
8 ADEA 0.90
11 Asylum_FED9 0.86
3 ADEA 0.75
14 Asylum_FED9 0.60
5 ADEA 0.56
13 Asylum_FED9 0.51
16 Asylum_FED9 0.51
2 ADEA 0.42
7 ADEA 0.31
17 Asylum_FED9 0.27
1
PROTECTED]
(801) 408-8111
-Original Message-
From: Ken Williams [mailto:[EMAIL PROTECTED]
Sent: Thursday, July 12, 2007 2:50 PM
To: Greg Snow; R-help@stat.math.ethz.ch
Subject: Re: [R] Compute rank within factor groups
On 7/12/07 3:42 PM, Ken Williams [EMAIL PROTECTED] wrote
Ken Williams wrote:
Hi,
I have a data.frame which is ordered by score, and has a factor column:
Browse[1] wc[c(report,score)]
report score
9 ADEA 0.96
8 ADEA 0.90
11 Asylum_FED9 0.86
3 ADEA 0.75
14 Asylum_FED9 0.60
5 ADEA
