I'm not sure if this is what you want but try
library(reshape2)
dat3 <- merge(dat1, dat2)
xx <- melt(dat3, id=c("phone", "request"))
dcast(dat3 , phone + name + address ~ request )
John Kane
Kingston ON Canada
> -----Original Message-----
> From: gloriaal...@yahoo.it
> Sent: Fri, 11 May 2012 07:29:22 -0700 (PDT)
> To: r-help@r-project.org
> Subject: Re: [R] Interweaving of two datasets
>
> Ok, merging in this way the total number of rows of the new dataset is
> the
> number of rows of the dataset "request".
>
> Is it possible to obtain a new dataset with the number of rows of the
> dataset "phone"?
>
> --
> View this message in context:
> http://r.789695.n4.nabble.com/Interweaving-of-two-datasets-tp4608505p4626591.html
> Sent from the R help mailing list archive at Nabble.com.
>
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