https://hausetutorials.netlify.com/ Data science tutorials Radix Wed, 10 Jun 2020 00:00:00 +0000 Hause Lin https://hausetutorials.netlify.com/posts/2020-06-27-reshape-r-dataframes-from-wide-to-long-with-melt Learn and visualize how melt reshapes dataframes from long to wide https://hausetutorials.netlify.com/posts/2020-06-27-reshape-r-dataframes-from-wide-to-long-with-melt Wed, 10 Jun 2020 00:00:00 +0000 Hause Lin https://hausetutorials.netlify.com/posts/2020-05-17-reshape-python-pandas-dataframe-from-long-to-wide-with-pivottable Learn and visualize how pd.pivot_table reshapes data from long to wide form https://hausetutorials.netlify.com/posts/2020-05-17-reshape-python-pandas-dataframe-from-long-to-wide-with-pivottable Sun, 17 May 2020 00:00:00 +0000 Hause Lin https://hausetutorials.netlify.com/posts/2020-05-14-reshaping-data-in-python-pandas Learn and visualize how pd.melt reshapes data from wide to long form https://hausetutorials.netlify.com/posts/2020-05-14-reshaping-data-in-python-pandas Thu, 14 May 2020 00:00:00 +0000 Hause Lin https://hausetutorials.netlify.com/posts/2020-04-11-causal-inference-and-lords-paradox-change-score-or-covariate Use directed acyclic graphs and structural equation modeling to understand Lord's paradox. https://hausetutorials.netlify.com/posts/2020-04-11-causal-inference-and-lords-paradox-change-score-or-covariate Sat, 11 Apr 2020 00:00:00 +0000 Hause Lin https://hausetutorials.netlify.com/posts/2019-12-20-numpy-reshape The only tutorial and cheatsheet you'll need to understand how Python numpy reshapes and stacks multidimensional arrays https://hausetutorials.netlify.com/posts/2019-12-20-numpy-reshape Sun, 20 Oct 2019 00:00:00 +0000 Hause Lin https://hausetutorials.netlify.com/posts/2019-12-01-neural-networks-deriving-the-sigmoid-derivative Deriving the derivative of the sigmoid function for neural networks https://hausetutorials.netlify.com/posts/2019-12-01-neural-networks-deriving-the-sigmoid-derivative Tue, 01 Oct 2019 00:00:00 +0000 Hause Lin https://hausetutorials.netlify.com/posts/2019-12-08-resources-for-making-r-packages Resources for making R packages https://hausetutorials.netlify.com/posts/2019-12-08-resources-for-making-r-packages Sun, 15 Sep 2019 00:00:00 +0000 Hause Lin https://hausetutorials.netlify.com/posts/2019-10-07-outlier-detection-with-median-absolute-deviation Why is it bad to use z-scores to detect outliers and why you should use median absolute deviation instead https://hausetutorials.netlify.com/posts/2019-10-07-outlier-detection-with-median-absolute-deviation Sat, 07 Sep 2019 00:00:00 +0000 Hause Lin https://hausetutorials.netlify.com/posts/2019-10-07-resources-for-principal-components-analysis Resources for learning principal components analysis and dimension reduction https://hausetutorials.netlify.com/posts/2019-10-07-resources-for-principal-components-analysis Wed, 07 Aug 2019 00:00:00 +0000 Hause Lin https://hausetutorials.netlify.com/posts/2019-10-12-online-classes A list of online classes I've completed or am planning to take https://hausetutorials.netlify.com/posts/2019-10-12-online-classes Thu, 01 Aug 2019 00:00:00 +0000 Hause Lin https://hausetutorials.netlify.com/posts/2019-07-24-what-happens-when-you-remove-or-set-the-intercept-to-0-in-regression-models What happens when you force the intercept to be 0 in a regression model and why you should (generally) never do it https://hausetutorials.netlify.com/posts/2019-07-24-what-happens-when-you-remove-or-set-the-intercept-to-0-in-regression-models Wed, 24 Jul 2019 00:00:00 +0000 Hause Lin https://hausetutorials.netlify.com/posts/2019-07-06-interpreting-interaction-regression-coefficients A short tutorial on how to interpreting regression coefficients, including interaction coefficients. https://hausetutorials.netlify.com/posts/2019-07-06-interpreting-interaction-regression-coefficients Sat, 06 Jul 2019 00:00:00 +0000 Hause Lin https://hausetutorials.netlify.com/posts/2019-04-13-logistic-regression A gentle, step-by-step intro to logistic regression, inverse logit and logit functions, and maximum likelihood estimation in the context of logistic regression https://hausetutorials.netlify.com/posts/2019-04-13-logistic-regression Sat, 13 Apr 2019 00:00:00 +0000 Hause Lin https://hausetutorials.netlify.com/posts/2019-04-11-datatable-resources Resources for the amazing R data.table package https://hausetutorials.netlify.com/posts/2019-04-11-datatable-resources Thu, 11 Apr 2019 00:00:00 +0000 Hause Lin https://hausetutorials.netlify.com/posts/2019-04-09-gentle-and-intuitive-intro-to-markov-chain-monte-carlo-mcmc A gentle and intuitive introduction to Markov Chain Monte Carlo sampling with rejection sampling. https://hausetutorials.netlify.com/posts/2019-04-09-gentle-and-intuitive-intro-to-markov-chain-monte-carlo-mcmc Tue, 09 Apr 2019 00:00:00 +0000 Hause Lin https://hausetutorials.netlify.com/posts/2019-03-17-dockerize-a-shinyapp-and-host-it-on-your-own-server-with-digitalocean Step-by-step instructions describing how I deployed my ShinyApp with Docker and hosted it on a web server with DigitalOcean (using Mac OS X). https://hausetutorials.netlify.com/posts/2019-03-17-dockerize-a-shinyapp-and-host-it-on-your-own-server-with-digitalocean Sat, 16 Mar 2019 00:00:00 +0000 Hause Lin https://hausetutorials.netlify.com/posts/2019-02-22-why-we-should-never-use-barplots-use-geomquasirandom-instead Why are barplots or dynamite plots so bad? Comparing four different types of plots: barplot, boxplot, violinplot, and geom_quasirandom plot https://hausetutorials.netlify.com/posts/2019-02-22-why-we-should-never-use-barplots-use-geomquasirandom-instead Fri, 22 Feb 2019 00:00:00 +0000 Hause Lin https://hausetutorials.netlify.com/posts/2019-02-18-fit-models-to-every-group What is complete pooling, no-pooling, and partial pooling, and how to use data.table for no-pooling models (fit the same model, but separately to each group) https://hausetutorials.netlify.com/posts/2019-02-18-fit-models-to-every-group Mon, 18 Feb 2019 00:00:00 +0000