C lib and swig binding for "Lower bound of Wilson score confidence interval"

• as described by http://www.evanmiller.org/how-not-to-sort-by-average-rating.html

To rank items with positive/negative ratings (Bernoulli trials), use Lower bound of "binomial confidence interval" such as "Wilson Score Interval".

• implementation suggested in: http://stackoverflow.com/questions/1687497/objective-c-implementation-of-the-wilson-score-interval

building make clean all test

perl api confidence_interval::wilson_lower_bound(2$i, 10$i, 0.1); see test.pl

references http://stackoverflow.com/questions/1687497/objective-c-implementation-of-the-wilson-score-interval http://www.evanmiller.org/how-not-to-sort-by-average-rating.html http://blog.linkibol.com/2010/05/07/how-to-build-a-popularity-algorithm-you-can-be-proud-of/ http://www.reddit.com/r/programming/comments/7ww4d/how_not_to_sort_by_average_rating/