共 4 条
- [1] Stata tip 129: Efficiently processing textual data with Stata's new Unicode features STATA JOURNAL, 2018, 18 (01): : 287 - 289
- [2] Stata tip 152: if and if: When to use the if qualifier and when to use the if command STATA JOURNAL, 2023, 23 (02): : 589 - 594
- [4] Stata tip 146: Using margins after a Poisson regression model to estimate the number of events prevented by an intervention STATA JOURNAL, 2022, 22 (02): : 460 - 464