David MassePATH and Hudson-Bergen Light Rail Connections: Minding the Gaphttps://github.com/davidmasse/blog-lightrail-pathDec 11, 2018Dec 11, 2018
David MasseMore Pandas Patterns for ETL and EDAThis post for my own reference continues the themes of and earlier blog post. Please see basic Python imports there as well.Dec 6, 2018Dec 6, 2018
David MasseExploring Permutations, Time Complexity, Recursion, Trees and eWhen memoizing (caching function results) doesn’t help:Nov 26, 2018Nov 26, 2018
David MasseHelpful Plotting and Pandas PatternsThe following are mainly notes to myself about a few things to do upon receiving a dataset.Nov 12, 2018Nov 12, 2018
David MasseUnsupervised Learning for Categorical DataIntroduced in 1998 by Zhehue Huang, k-modes provides a much-needed alternative to k-means when the data at hand are categorical rather than…Sep 27, 20182Sep 27, 20182
David MasseUsing Perplexity to Evaluate a Natural-Language ModelHaving built a word-prediction model (please see link below), one might ask how well it works.Sep 11, 20181Sep 11, 20181
David MassePredicting the Next Word: Back-Off Language ModelingExpertly tuned machine-learning algorithms are generally able to achieve fairly strong accuracy in a variety of settings. The winning…Aug 30, 2018Aug 30, 2018
David MasseAnything But Natural: Barthes and NLPhttps://github.com/davidmasse/blog-fashion-systemAug 16, 2018Aug 16, 2018
David MasseFound in Translation: R and Pythonhttps://github.com/davidmasse/blog-cache-matrixJul 29, 2018Jul 29, 2018