I do not think Carl's solution answers your question.  Try this:

z <- textConnection(
"education gender agree disagree sexe
1         0   Male     4        2    0
2         1   Male     2        0    0
3         2   Male     4        0    0
4         3   Male     6        3    0
5         4   Male     5        5    0
6         5   Male    13        7    0"
)

zz <- read.table(z,header=TRUE, stringsAsFactors=FALSE);
close(z)

zzz <- melt(zz,id.var=c("education","gender","sexe"))
zzzz <- zzz[rep(1:nrow(zzz), zzz$value), 1:4 ]
zzzz$agree <- zzzz$variable == 'agree'

zzzz

-tgs


On Mon, Nov 25, 2013 at 4:24 AM, Liviu Andronic <landronimirc@gmail.com>wrote:

> Dear all,
> I am trying to convert the following data frame into a format more
> useful for me:
> > library("HSAUR2", lib.loc="C:/Program Files/R/R-3.0.2/library")
> Loading required package: tools
>
> Attaching package: ‘HSAUR2’
>
> The following object is masked _by_ ‘.GlobalEnv’:
>
>     womensrole
>
> > head(womensrole)
>   education gender agree disagree sexe
> 1         0   Male     4        2    0
> 2         1   Male     2        0    0
> 3         2   Male     4        0    0
> 4         3   Male     6        3    0
> 5         4   Male     5        5    0
> 6         5   Male    13        7    0
>
>
> In 'womensrole', how do I convert 'agree' and 'disagree' variables
> into one proper binary variable, say:
>   education gender agree sexe
> 1         0   Male     TRUE           0
> 2         0   Male     TRUE           0
> 3         0   Male     TRUE           0
> 4         0   Male     TRUE           0
> 5         0   Male     FALSE           0
> 6         0   Male     FALSE           0
> 7         1   Male     TRUE           0
> 8         1   Male     TRUE           0
> 9         2   Male     TRUE           0
> 10         2   Male     TRUE           0
> 11         2   Male     TRUE           0
> 12         2   Male     TRUE           0
> [..]
>
> I'm sure there is an easy way to do this (in the form of 'melt',
> 'cast', etc.), but I'm not sure how to approach the problem.
>
> Regards,
> Liviu
>
> --
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