Articles by BC Mullins

Calculating Marginal Effects Exercises

September 4, 2017 | BC Mullins

A common experience for those in the social sciences migrating to R from SPSS or STATA is that some procedures that happened at the click of a button will now require more work or are too obscured by the unfamiliar language to see how to accomplish. One such procedure that ... [Read more...]

Bayesian A/B Testing Made Easy

August 21, 2017 | BC Mullins

A/B Testing is a familiar task for many working in business analytics. Essentially, A/B Testing is a simple form of hypothesis testing with one control group and one treatment group. Classical frequentist methodology instructs the analyst to estimate the expected effect of the treatment, calculate the required sample ... [Read more...]

Sending Emails from R Exercises

August 14, 2017 | BC Mullins

When monitoring a data source, model, or other automated process, it’s convienent to have method for easily delivering performance metrics and notifying you whenever something is amiss. One option is to use a dashboard; however, this requires active time and effort to grab numbers and catch errors. An alternative ... [Read more...]

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