Why wouldn't you be able to get the average? Return page count + total pages for... | Hacker News

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lgarron on Aug 5, 2011 | parent | context | favorite | on: How I explained MapReduce to my Wife?

Why wouldn't you be able to get the average? Return page count + total pages for each shelf and then take the ratio of "reduced" sums.

michael_dorfman on Aug 5, 2011 [–]

Re-read the comment. It discusses exactly what you are proposing.

lgarron on Aug 7, 2011 | [–]

Oh, I see. I was struck by the direct phrasing of "You couldn't take the average number of pages", which made me parse the rest of the comment incorrectly.

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