[R] Reshape by multiple variables

Laura Gross laura at bayesian-bay.freeserve.co.uk
Tue Nov 26 18:42:14 CET 2002

Dear list

I'm using the reshape command and want to reshape a wide data set to a
long one 

e.g. I have the variables y1,y2,y3,age1,age2,age3,sex,ethnic

I want my new long data set to consist of the variables y (which has
been created from y1,y2,y3), age (which has been created from
age1,age2,age3), sex and ethnic

I have tried to use the command:

)),v.names="y","age", times=1:3,direction="long")

but it tells me I am trying to duplicate row names?

How can I put multiple time-varying variables into the varying bit?

Thanks for any help

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