[R] object.size vs. workspace size

[Prof Brian Ripley]

On 06/03/2014 23:26, Hui Du wrote:
> Hi All,
>
> I have 2 objects, A and B, where
>
> object.size(A) = 5M and object.size(B) = 80M.
>
> However, after I save those two objects as workspaces, say,
>
> save(A, file = "A.Rdata") and save(B, file = "B.Rdata")
>
> On disk, the size of 'A.Rdata' is 0.22 M but the size of 'B.Rdata' is 560M. Could someone tell me how come the workspace B.RData got increased so much and how to make it smaller?

Please read ?save: compression is on by default.

> Many thanks.
>
> HXD
>
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>
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-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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