Instrumental variables regression analysis indicated that inpatient oral nutritional supplement use decreased length of stay, episode cost, and 30-day readmission probability. Analyses were conducted ...

A frequent problem in the estimation of linear regression models is that the predictors are correlated with the error term contained in the regression equation. To ...

In fuzzy regression discontinuity (FRD) designs, the treatment effect is identified through a discontinuity in the conditional probability of treatment assignment. We show that when identification is ...

This is the ninth in a series of lecture notes which, if tied together into a textbook, might be entitled “Practical Regression.” The purpose of the notes is to supplement the theoretical content of ...