[R] Entering Data Files
Rui Barradas
ruipbarradas at sapo.pt
Wed Jul 18 23:24:09 CEST 2012
Hello,
Sorry, I forgot the barplot.
dmelt <- melt(d, id.vars=c("Live", "Age"), measure.vars="Count")
wide <- dcast(Live ~ Age, data = dmelt)
col <- rainbow(4)
barplot(as.matrix(wide[, 2:5]), beside=T, col=col)
legend("topleft", wide[, 1], fill=col)
Hope this helps,
Rui Barradas
Em 18-07-2012 22:19, Rui Barradas escreveu:
> Hello,
>
> Install package 'reshape2' and try the following.
>
>
> #install.packages('reshape2')
> library(reshape2)
>
> d <- read.table(text="
> Live Age Count
> Parents Age19 324
> Another Age19 37
> OwnPlace Age19 116
> Group Age19 58
> Other Age19 5
> Parents Age20 378
> Another Age20 47
> OwnPlace Age20 279
> Group Age20 60
> Other Age20 2
> Parents Age21 337
> Another Age21 40
> OwnPlace Age21 372
> Group Age21 49
> Other Age21 3
> Parents Age22 318
> Another Age22 38
> OwnPlace Age22 487
> Group Age22 25
> Other Age22 9
> ", header=TRUE, stringsAsFactors=FALSE)
> d
>
> dmelt <- melt(d, id.vars=c("Live", "Age"), measure.vars="Count")
> dcast(Live ~ Age, data = dmelt)
>
>
> Hope this helps,
>
> Rui Barradas
>
> Em 18-07-2012 21:35, darnold escreveu:
>> Hi,
>>
>> Entering data from a given file is the hardest part of learning R for me.
>> For example, I have this datafile from Moore's text:
>>
>> Live Age Count
>> Parents Age19 324
>> Another Age19 37
>> OwnPlace Age19 116
>> Group Age19 58
>> Other Age19 5
>> Parents Age20 378
>> Another Age20 47
>> OwnPlace Age20 279
>> Group Age20 60
>> Other Age20 2
>> Parents Age21 337
>> Another Age21 40
>> OwnPlace Age21 372
>> Group Age21 49
>> Other Age21 3
>> Parents Age22 318
>> Another Age22 38
>> OwnPlace Age22 487
>> Group Age22 25
>> Other Age22 9
>>
>> I can manually enter the numbers and create my table and barplot.
>>
>> x <- matrix(c(324, 378, 337, 318, 37, 47, 40, 38, 116, 279, 372, 487, 58,
>> 60, 49, 25, 5, 2, 3, 9), c(5,4),byrow=T)
>> rownames(x)=c("Parents","Another","OwnPlace","Group","Other")
>> colnames(x)=c("Age19","Age20","Age21","Age22")
>> x <- as.table(x)
>>
>> barplot(x,beside=T)
>>
>> But it would be nice to be able to read the data from the file,
>> arrange it
>> using R, then plot, if that is possible. Any suggestions?
>>
>> Thanks
>>
>> David
>>
>>
>>
>> --
>> View this message in context:
>> http://r.789695.n4.nabble.com/Entering-Data-Files-tp4636943.html
>> Sent from the R help mailing list archive at Nabble.com.
>>
>> ______________________________________________
>> 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.
>>
>
> ______________________________________________
> 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.
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