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A comment on Which topics get the upvote on Hacker News?. Parent comment

Re:Which topics get the upvote on Hacker News? by imh on Saturday February 14, 2015 @12:30AM (#9048856)
When there's too much data for a scatter plot, a heat map will do nicely.
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Re:Which topics get the upvote on Hacker News? by ced on Saturday February 14, 2015 @01:12AM (#9048907)
Or pass alpha=0.3 to the plotting function.
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