XCoach: A Chrome Extension for a Desktop X AddictionFor users willing to delete the mobile app, XCoach can tame the beastMar 181Mar 181
Supply and Demand: Simultaneous Equations, not Simultaneous CausationThe additional equations add restrictions that can be viewed through the lens of selection biasAug 28, 20233Aug 28, 20233
What happens when you rotate Confirmatory Factor Analysis loadings?The oblimin rotation and factor model identifiabilityMay 2, 20231May 2, 20231
Don’t invert that matrix, even when you need the likelihood!It’s not always Ax=bFeb 10, 20231Feb 10, 20231
Deriving the factor score from a unidimensional confirmatory factor analysis modelThe relationship between factor analysis parameters and factor scoresJan 6, 2023Jan 6, 2023
Bayesians also suffer multiple looks biasPosterior probabilities aren’t an cure-all for multiplicitiesMar 21, 2022Mar 21, 2022
Published inTowards Data ScienceDo-Calculus and Continuous DistributionsContinuous distributions pose zero conceptual difficulties for the Do-Calculous, but getting the DAG may be the easy partOct 25, 2021Oct 25, 2021
Published inTowards Data ScienceMind the Jensen GapWhen transforming data prior to forecasting, learn how to spot bias when returning to the original scaleAug 6, 2020Aug 6, 2020
Published inTowards Data ScienceLagged Variable Regressions and TruthDynamic regression models offer vast representative power but also bias riskJun 28, 2019Jun 28, 2019
Published inTowards Data ScienceThe Kalman Filter and External Control InputsUse Python’s statsmodels to implement the Kalman Filter with exogenous control inputsJun 19, 20192Jun 19, 20192
