If we were working with low dosages and using the correlation between dosage and outcomes as our metric of assessing effectiveness, we might underestimate how well the drug is actually working... Footnote Finding When Correlation and Regression Slopes Tell (Slightly) Different Stories Sara Stoudt Bucknell University I recently read RobertRead More →
The number of comparisons is going to escalate quickly. If we have four flavors of ice cream, we go from Scenario 1 showing three significant variables in its model outputs to the rest of the scenarios only reporting one... Is this $p$-hacking? If you have to ask, it probably is.Read More →
Different sampling approaches exist that target different sub-populations to make sure they appear in the sample. To see these sampling approaches at work we are going to sample lines from Walt Whitman’s poem “Song of Myself”… Sampled Poems Contain Multitudes Sara Stoudt Bucknell University The basic principle of statistical inferenceRead More →
As a statistician, I had to put a little extra wrinkle in. How might I add an element of chance to the endeavor of writing a sestina? A Summer set.seed() Sestina Sara Stoudt Bucknell University Are you taking a break from mathematical thoughts and cozying up with a good beachRead More →
We can formulate this situation into an example of Simpson’s Paradox. When employee outcomes were examined overall, there was no evidence of discrimination between men and women. However, if employee outcomes were to be further broken down by race, there would have been a very clear discrepancy between the BlackRead More →
When we start to think more about it, more questions arise. What makes a line “good”? How do we tell if a line is the “best”? The Origins of Ordinary Least Squares Assumptions Some Are More Breakable Than Others Sara Stoudt Bucknell University Introduction Fitting a line to a setRead More →