Friday, April 19, 2019

Intent to Treat, Instrumental Variables and LATE Made Simple(er)

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Many times in a randomized controlled trial (RCT) issues related to non-compliance arise. Subjects assigned to the treatment fail to comply,...
Saturday, March 30, 2019

Abandoning Statistical Significance - Or - Two Ways to Sell Snake Oil

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There was recently a very good article in Nature pushing back against dichotomizing thresholds for p-values (i.e. p < .05). This follows...
Sunday, February 24, 2019

The Multiplicity of Data Science

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There was a really good article on LinkedIn some time ago regarding how Airbnb classifieds its data science roles: https://www.linkedin.com/...
Sunday, February 17, 2019

Was It Meant to Be? OR Sometimes Playing Match Maker Can Be a Bad Idea: Matching with Difference-in-Differences

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Previously I discussed the unique aspects of modeling claims and addressing those with generalized linear models. I followed that with a dis...
Thursday, January 24, 2019

Modeling Claims with Linear vs. Non-Linear Difference-in-Difference Models

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Previously I have discussed the issues with modeling claims costs . Typically medical claims exhibit non-negative highly skewed values with ...

Modeling Healthcare Claims as a Dependent Variable

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Healthcare claims present challenges to the applied econometrician. Claims costs typically exhibit a large number of zero values (high zero ...
Friday, December 21, 2018

Thinking About Confidence Intervals: Horseshoes and Hand Grenades

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In a previous post, Confidence Intervals: Fad or Fashion I wrote about Dave Giles' post on interpreting confidence intervals. A primary ...