Alex daSilvainTowards Data ScienceFeature selection by filtering: what could go wrong? (Spoiler: A lot)An illustration of how to correctly (and incorrectly) perform feature selection by univariate filteringNov 20, 20191Nov 20, 20191
Alex daSilvainTowards Data ScienceR vs Python: Comparing Data Science Job Postings Seeking R or Python specialistsWhat are employers looking for when making language targeted data science job ads?Oct 4, 20192Oct 4, 20192
Alex daSilvainTowards Data ScienceXᵀX, Covariance, Correlation and Cosine matrices:A walk through for calculating several popular association matricesAug 9, 2019Aug 9, 2019
Alex daSilvainTowards Data ScienceKeeping an eye on confounds: a walk through for calculating a partial correlation matrixAn R demo illustrating two approaches for calculating partial correlation matricesJul 26, 2019Jul 26, 2019
Alex daSilvainTowards Data ScienceHow to create a simple statistical learning model from scratch: emphasizing prediction in…What’s happening under the hood of lm? An R tutorial unpacking estimation, prediction, and validation for linear regressionJul 17, 2019Jul 17, 2019