hello
how can I replace dataframe data with another data ?
something like:
> str(dpr2$eg)
Factor w/ 8 levels "1","2","3","4",..:
I want to replace "1" with "0-10"
regards
--
Ahmet Temiz
Jeoloji M?h.
Afet ??leri Genel M?d?rl???
Deprem Ara?t?rma Dairesi
Tel: (312) 287 89 51 veya (312) 287 26 80/1547
Faks: (312) 287 89 51
E. Posta: temiz at deprem.gov.tr
www.deprem.gov.tr
Ahmet Temiz
Geological Eng.
General Directorate of Disaster Affairs
Earthquake Research Department
Phone: +90 (312) 287 89 51 or (312) 287 26 80/1547
Fax: +90 (312) 287 89 51
E. Mail: temiz at deprem.gov.tr
www.deprem.gov.tr
--
This message has been scanned for viruses and\ dangerous con...{{dropped}}
Hi On 17 May 2006 at 14:51, orkun wrote: Date sent: Wed, 17 May 2006 14:51:43 +0300 From: orkun <temiz at deprem.gov.tr> To: r-help at stat.math.ethz.ch Subject: [R] replacement of dataframe> hello > > how can I replace dataframe data with another data ? > something like: > > > str(dpr2$eg) > Factor w/ 8 levels "1","2","3","4",..: > > I want to replace "1" with "0-10"Replace levels attribute of a factor ?levels x<-factor(sample(1:8,100, replace=T)) x [1] 4 6 4 3 7 2 6 1 2 2 2 1 6 8 7 7 4 4 7 5 6 3 3 8 6 2 2 4 8 5 8 6 3 4 2 1 6 1 4 6 8 4 4 2 7 4 5 2 2 5 5 1 1 6 8 5 5 5 8 5 6 5 2 3 6 [66] 4 2 6 1 7 5 5 3 4 5 2 5 1 3 2 3 8 4 7 8 4 1 3 6 3 6 7 7 4 4 8 6 6 5 8 Levels: 1 2 3 4 5 6 7 8 levels(x) [1] "1" "2" "3" "4" "5" "6" "7" "8" levels(x)[1]<-"0-10" HTH Petr> > regards > > -- > Ahmet Temiz > Jeoloji M?h. > Afet ??leri Genel M?d?rl??? > Deprem Ara?t?rma Dairesi > Tel: (312) 287 89 51 veya (312) 287 26 80/1547 > Faks: (312) 287 89 51 > E. Posta: temiz at deprem.gov.tr > www.deprem.gov.tr > > Ahmet Temiz > Geological Eng. > General Directorate of Disaster Affairs > Earthquake Research Department > Phone: +90 (312) 287 89 51 or (312) 287 26 80/1547 > Fax: +90 (312) 287 89 51 > E. Mail: temiz at deprem.gov.tr > www.deprem.gov.tr > > > -- > This message has been scanned for viruses and\ dangerous > con...{{dropped}} > > ______________________________________________ > R-help at stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.htmlPetr Pikal petr.pikal at precheza.cz
Or simply:
sam <- factor(sample(1:3,100,replace=T))
sam <- factor(sam,
labels=c("0-10","10-20","20-30"))
Steve Miller
-----Original Message-----
From: r-help-bounces at stat.math.ethz.ch
[mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Petr Pikal
Sent: Wednesday, May 17, 2006 7:19 AM
To: orkun; r-help at stat.math.ethz.ch
Subject: Re: [R] replacement of dataframe
Hi
On 17 May 2006 at 14:51, orkun wrote:
Date sent: Wed, 17 May 2006 14:51:43 +0300
From: orkun <temiz at deprem.gov.tr>
To: r-help at stat.math.ethz.ch
Subject: [R] replacement of dataframe
> hello
>
> how can I replace dataframe data with another data ?
> something like:
>
> > str(dpr2$eg)
> Factor w/ 8 levels
"1","2","3","4",..:
>
> I want to replace "1" with "0-10"
Replace levels attribute of a factor
?levels
x<-factor(sample(1:8,100, replace=T))
x
[1] 4 6 4 3 7 2 6 1 2 2 2 1 6 8 7 7 4 4 7 5 6 3 3 8 6 2 2 4 8 5 8
6 3 4 2 1 6 1 4 6 8 4 4 2 7 4 5 2 2 5 5 1 1 6 8 5 5 5 8 5 6 5 2 3 6
[66] 4 2 6 1 7 5 5 3 4 5 2 5 1 3 2 3 8 4 7 8 4 1 3 6 3 6 7 7 4 4 8
6 6 5 8
Levels: 1 2 3 4 5 6 7 8
levels(x)
[1] "1" "2" "3" "4" "5"
"6" "7" "8"
levels(x)[1]<-"0-10"
HTH
Petr
>
> regards
>
> --
> Ahmet Temiz
> Jeoloji M?h.
> Afet ??leri Genel M?d?rl???
> Deprem Ara?t?rma Dairesi
> Tel: (312) 287 89 51 veya (312) 287 26 80/1547
> Faks: (312) 287 89 51
> E. Posta: temiz at deprem.gov.tr
> www.deprem.gov.tr
>
> Ahmet Temiz
> Geological Eng.
> General Directorate of Disaster Affairs
> Earthquake Research Department
> Phone: +90 (312) 287 89 51 or (312) 287 26 80/1547
> Fax: +90 (312) 287 89 51
> E. Mail: temiz at deprem.gov.tr
> www.deprem.gov.tr
>
>
> --
> This message has been scanned for viruses and\ dangerous
> con...{{dropped}}
>
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide!
> http://www.R-project.org/posting-guide.html
Petr Pikal
petr.pikal at precheza.cz
______________________________________________
R-help at stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide!
http://www.R-project.org/posting-guide.html