Dirk Eddelbuettel (@eddelbuettel): "That is commonly referred to as 'FAQ 7.31' https://cran.r-project.org/doc/FAQ/R-FAQ.html#Why-doesn_0027t-R-think-these-numbers-are-equal_003f … #RmakesYouTalkInWeirdShortcuts https://twitter.com/fjditr/status/624273501629845504"