[R] Measurement units inside a data frame

[Tribo Laboy]

On Thu, Feb 7, 2008 at 7:57 PM, Gavin Simpson <gavin.simpson at ucl.ac.uk> wrote:
>
> On Thu, 2008-02-07 at 19:32 +0900, Tribo Laboy wrote:
>  > Hello,
>  >
>  > I was wondering if there was an easy way to put information about the
>  > measurement units used for each column of a data frame ...
>  >
>  > Thanks for any pointers,
>  >
>  > TL
>
>  You could add attributes:
>
>  dummy <- data.frame(x = rnorm(10), y = rbeta(10, 2, 5), z = rlnorm(10))
>  dummy
>
>  attr(dummy, "units") <- c("m s-2", "Kg", "m")
>  dummy
>  attributes(dummy)
>
>  G
>  --
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>   Dr. Gavin Simpson             [t] +44 (0)20 7679 0522
>   ECRC, UCL Geography,          [f] +44 (0)20 7679 0565
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>
>

Hi Gavin,

Thanks. That works for me just great.

Regrads,

TL