See ?subset !!!
And please do read the psoting guide.

Uwe Ligges


Sergio Della Franca wrote:
> Dear R-Helpers,
>
> I have this dataset:
>
>   YEAR   PRODUCTS cluster
>   1       10       2
>   2       42       3
>   3       25       2
>   4       42       3
>   5       40       3
>   6       45       1
>   7       44       1
>   8       47       1
>   9       42       1
>
>
> I want to create a subset (when cluster=1),
>
>   YEAR   PRODUCTS cluster
>   6       45       1
>   7       44       1
>   8       47       1
>   9       42       1
>
>
> How can i perform this?
>
>
> Thank you in advance.
>
>
> Sergio Della Franca
>
>  [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help@(protected)
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> 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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