How can I get the decreasing cumulative of frequency series using Perl?

Posted by neversaint on Stack Overflow See other posts from Stack Overflow or by neversaint
Published on 2010-03-23T01:04:16Z Indexed on 2010/03/23 17:33 UTC
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perl

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statistics

I have a data that looks like this:

What I want to get is the "decreasing" cumulative of this data yielding

What is the compact way of doing that in Perl?

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