[R] reading binary file

John Logsdon j.logsdon at lancaster.ac.uk
Tue Oct 19 10:02:22 CEST 1999

On Mon, 18 Oct 1999, Martin Maechler wrote:

> The two simple function  pack8bit() and unpack8bit()  which are now part of
> the wavethresh package on CRAN {{and are applied to store the
> 	       		        picture of John Lennon more efficiently}}
> could come handy here.

I am sure that John Lennon would be greatly amused by such devotion to his
image but could these functions be used for set manipulation?  One thing
for which I have sometimes ended up writing arrays of integers!!!  (I
suppose arrays of logicals may be more efficient).

Actually a set class would be very useful, don't y'think?  With associated


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