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Re: Percentile Function/Pro [message #10865]

Fri, 13 February 1998 00:00

steinhh
Messages: 260
Registered: June 1994

Senior Member

David Mottershead replied:
> There is a web site by
> Martin Schultz / Harvard University / mgs@io.harvard.edu
> http://www-as.harvard.edu/people/staff/mgs/idl/idl_library.h tml
> with
> percentiles.pro

It is possible to make that routine a bit faster (and less
memory consuming) by doing

ix = sort(data)

instead of

; create a temporary copy of the data and sort
tmp = data
tmp = tmp(sort(tmp))

and then substituting

tmp(ind)

with

data(ix(ind))

Regards,

Stein Vidar

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[Message index]

		Re: Percentile Function/Pro By: steinhh on Fri, 13 February 1998 00:00
		Re: Percentile Function/Pro By: Theo Brauers on Fri, 13 February 1998 00:00

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