Message-ID: <93d6f2a80902252001h13443487tca4fb7d7a019d7b0@mail.gmail.com>
Date: 2009-02-26T04:01:46Z
From: Juliet Hannah
Subject: reshape from wide to long
In-Reply-To: <644e1f320902251704g4d1aeec5x88b40d908cda493f@mail.gmail.com>
Out of curiosity, what would be a good way to do this without using
the reshape package? Thanks!
On Wed, Feb 25, 2009 at 8:04 PM, jim holtman <jholtman at gmail.com> wrote:
> You can use the 'reshape' package:
>
>> x <- read.table(textConnection(" Grp ? ? ? ?X0 ? ? ? ?X3 ? ? ? ? ? ? ? X6 ? ? ? ? ? X12 ? ? ? ? ?X25 ? ? X50
> + ? ?1 ? ?C 0.5326517 0.6930942 ?0.9403883 ?1.157571 ?2.483117 ?2.809012
> + 2 ? ?C 0.4715917 0.8613200 ?2.0706117 ?2.937632 ?7.530960 ?7.120678
> + 3 ? ?C 0.5021217 0.7772071 ?1.5055000 ?2.047601 ?5.007038 ?4.964845
> + 4 ? ?E 0.5845200 0.6439033 ?0.8221400 ?2.148100 ?1.862153 12.412500
> + 5 ? ?E 0.2985675 0.6561142 ?1.0987058 ?2.842180 ?4.057899 ?2.319930
> + 6 ? ?E 1.7854500 1.9813878 ?1.8340700 ?3.507966 ?1.120367 ?2.603823
> + 7 ? ?E 6.4370500 2.2302000 18.5271000 17.139600 22.978400 ?7.116638
> + 8 ? ?E 2.2763969 1.3779013 ?5.5705040 ?6.409461 ?7.504704 ?6.113223
> + 9 ? ?T 0.9649327 0.9825045 ?1.0099582 ?1.713536 ?4.652827 ?3.877736
> + 10 ? T 2.0774727 2.4916545 ?4.0087455 ?8.183382 26.381091 26.279636
> + 11 ? T 2.2527000 2.6311091 ?3.1711727 ?4.316418 ?9.255364 28.771473
> + 12 ? T 1.3989636 1.7640273 ?2.5264636 ?4.712164 23.606545 32.030000
> + 13 ? T 1.4211167 1.5128417 ?1.7613583 ?2.351858 ?8.411725 55.448000
> + 14 ? T 1.5992167 2.2668167 ?2.5927667 ?2.947150 ?6.025300 24.984767
> + 15 ? T 2.9468333 3.3383667 ?3.1090667 ?3.244675 ?3.037425 ?2.679587
> + 16 ? T 1.0867725 1.7652583 ?2.0307008 ?5.201625 ?8.279975 14.693583
> + 17 ? T 1.7185010 2.0940723 ?2.5262791 ?4.083851 11.206282
> 23.595598"), header=TRUE)
>> closeAllConnections()
>> require(reshape)
> Loading required package: reshape
> Loading required package: plyr
>> x.m <- melt(x)
> Using Grp as id variables
>>
>> head(x.m)
> ?Grp variable ? ? value
> 1 ? C ? ? ? X0 0.5326517
> 2 ? C ? ? ? X0 0.4715917
> 3 ? C ? ? ? X0 0.5021217
> 4 ? E ? ? ? X0 0.5845200
> 5 ? E ? ? ? X0 0.2985675
> 6 ? E ? ? ? X0 1.7854500
>>
>
>
> On Wed, Feb 25, 2009 at 4:59 PM, Veerappa Chetty <chettyvk at gmail.com> wrote:
>> Hi,I would like to reshape the following "wide" data set to "long" form. I
>> would appreciate help with the correct code for "reshape". I tried a few
>> unsuccessfully.
>> Thanks.
>> Chetty
>> __________________________________________________
>> dat.1
>>
>> ?Grp ? ? ? ?X0 ? ? ? ?X3 ? ? ? ? ? ? ? X6 ? ? ? ? ? X12 ? ? ? ? ?X25
>> ? ?X501 ? ?C 0.5326517 0.6930942 ?0.9403883 ?1.157571 ?2.483117 ?2.809012
>> 2 ? ?C 0.4715917 0.8613200 ?2.0706117 ?2.937632 ?7.530960 ?7.120678
>> 3 ? ?C 0.5021217 0.7772071 ?1.5055000 ?2.047601 ?5.007038 ?4.964845
>> 4 ? ?E 0.5845200 0.6439033 ?0.8221400 ?2.148100 ?1.862153 12.412500
>> 5 ? ?E 0.2985675 0.6561142 ?1.0987058 ?2.842180 ?4.057899 ?2.319930
>> 6 ? ?E 1.7854500 1.9813878 ?1.8340700 ?3.507966 ?1.120367 ?2.603823
>> 7 ? ?E 6.4370500 2.2302000 18.5271000 17.139600 22.978400 ?7.116638
>> 8 ? ?E 2.2763969 1.3779013 ?5.5705040 ?6.409461 ?7.504704 ?6.113223
>> 9 ? ?T 0.9649327 0.9825045 ?1.0099582 ?1.713536 ?4.652827 ?3.877736
>> 10 ? T 2.0774727 2.4916545 ?4.0087455 ?8.183382 26.381091 26.279636
>> 11 ? T 2.2527000 2.6311091 ?3.1711727 ?4.316418 ?9.255364 28.771473
>> 12 ? T 1.3989636 1.7640273 ?2.5264636 ?4.712164 23.606545 32.030000
>> 13 ? T 1.4211167 1.5128417 ?1.7613583 ?2.351858 ?8.411725 55.448000
>> 14 ? T 1.5992167 2.2668167 ?2.5927667 ?2.947150 ?6.025300 24.984767
>> 15 ? T 2.9468333 3.3383667 ?3.1090667 ?3.244675 ?3.037425 ?2.679587
>> 16 ? T 1.0867725 1.7652583 ?2.0307008 ?5.201625 ?8.279975 14.693583
>> 17 ? T 1.7185010 2.0940723 ?2.5262791 ?4.083851 11.206282 23.595598
>>
>>
>> --
>> Professor of Family Medicine
>> Boston University
>> Tel: 617-414-6221, Fax:617-414-3345
>> emails: chettyvk at gmail.com,vchetty at bu.edu
>>
>> ? ? ? ?[[alternative HTML version deleted]]
>>
>> ______________________________________________
>> R-help at r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>
>
>
> --
> Jim Holtman
> Cincinnati, OH
> +1 513 646 9390
>
> What is the problem that you are trying to solve?
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>