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mcfromnz.wordpress.com | ||
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ruqinren.wordpress.com
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| | | | | In the previous post about equality test of a model's coefficients, I focused on a simple situation -- that we want to test if beta1 = beta2 in a model. In this post, I introduce the R code implementation for conducting a similar test for more than two parameters. That is, the null hypothesis would... | |
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codeandculture.wordpress.com
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| | | | | A coauthor and I are doing power analyses based on a pilot test and we quickly realized that it's really hard to calculate a power analysis for anything much more exotic than a t-test of means. As I usually do when there's no obvious solution, I decided to just brute force it with a Monte... | |
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andrewpwheeler.com
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| | | | | The default hypothesis tests that software spits out when you run a regression model is the null that the coefficient equals zero. Frequently there are other more interesting tests though, and this is one I've come across often -- testing whether two coefficients are equal to one another. The big point to remember is that... | |
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aimatters.wordpress.com
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| | | Note: Here's the Python source code for this project in a Jupyter notebook on GitHub I've written before about the benefits of reinventing the wheel and this is one of those occasions where it was definitely worth the effort. Sometimes, there is just no substitute for trying to implement an algorithm to really understand what's... | ||
