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shminux comments on Open thread, March 17-31, 2013 - Less Wrong Discussion

1 Post author: David_Gerard 17 March 2013 03:37PM

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Comment author: shminux 27 March 2013 07:01:14AM *  1 point [-]

In case this hasn't been posted recently or at all: if you want to calculate the number of upvotes and downvotes from the current comment/post karma and % positive seen by cursor hover, this is the formula:

# upvotes = karma*%positive/(2*%positive-100%)

#downvotes = #upvotes - karma

This only works for non-zero karma. Maybe someone wants to write a script and make a site or a browser extension where a comment link or a nick can be pasted for this calculation.

Comment author: Vladimir_Nesov 27 March 2013 09:29:40AM 3 points [-]

This only works for non-zero karma.

The source code of the pages contains hypothetical % positive for the cases when a comment gets upvoted or downvoted by 1 point, so sufficient information about comments with zero karma is always present as well.

Comment author: Mestroyer 31 March 2013 10:22:38PM 1 point [-]

And because you can retract votes, you can always upvote or downvote temporarily to move it off of 0.