Data Science Blog

• Predicting conditional mean and variance

  2023 Mar 28 - 11 minute read

• Recalibration after Negative Sampling

  2021 Jun 2 - 6 minute read

• How to Copy a Python Dictionary

  2021 Apr 1 - 3 minute read

• Accelerated Bayesian Causal Forest (XBCF)

  2021 Mar 28 - 12 minute read

• Extracting Column Names from the ColumnTransformer

  2020 Jul 19 - 4 minute read

• Causal Inference: Contextual Bandit vs. Randomized Trials

  2020 May 31 - 12 minute read

• Sigmoid Functions and Logistic Regression

  2020 May 2 - 2 minute read

• Outcome Transformations for Uplift Modeling and Treatment Effect Estimation

  2020 Apr 12 - 7 minute read

• Profitable Customer Targeting For Churn Campaigns

  2020 Mar 16 - 14 minute read

• Modularization: Saving Model Predictions under Cross-Validation

  2020 Feb 1 - 4 minute read

• Parallelizing Model Selection Using the Multiprocessing Library in Python

  2019 Nov 19 - 4 minute read

• How to put a custom pytorch module into the fastai Learner framework

  2019 Nov 19 - 4 minute read

• Causal Machine Learning: Individualized Treatment Effects and Uplift Modeling

  2019 Nov 17 - 20 minute read

• Optimizing Neural Networks with LFBGS in PyTorch

  2019 Oct 3 - 7 minute read

• Pytorch Implementation of Cross aka Interaction Layers: Cross and Deep Network

  2019 Mar 22 - 4 minute read

• Categorical Variables and ColumnTransformer in scikit-learn

  2019 Mar 10 - 7 minute read

• Linear Regression with Stochastic Gradient Descent in Pytorch

  2019 Mar 2 - 7 minute read

• The ROC-AUC and the Mann-Whitney U-test (Wilcoxon rank sum test)

  2018 Sep 5 - 12 minute read

• Logistic Regression as a Choice Model

  2018 Aug 5 - 3 minute read

• LDA using Gibbs sampling in R

  2017 Jun 13 - 15 minute read

• Streaming newline-delimited JSON data in R (Yelp challenge)

  2017 Jun 12 - 7 minute read