Don't miss the iPython notebook linked at the end of the article: https://github.com/AllenDowney/MarriageNSFG/blob/master/marriage.ipynb https://github.com/Alle

Don't miss the iPython notebook linked at the end of the article: https://github.com/AllenDowney/MarriageNSFG/blob/master/marriage.ipynb https://github.com/AllenDowney/MarriageNSFG/blob/master/marr...