remove ≥

intro-to-R.qmd

@@ -102,7 +102,7 @@ There are currently (2024) two commonly-used pipe operators in R:
 
 - `%>%`: the "`magrittr` pipe", from the [`magrittr`](https://cran.r-project.org/web/packages/magrittr/index.html) package (@magrittr; [re-exported](https://r-pkgs.org/dependencies-in-practice.html#re-exporting) by [`dplyr`](https://cran.r-project.org/web/packages/dplyr/index.html) and others) .
 
-- `|>`: the "native pipe", from base R (≥4.1.0)
+- `|>`: the "native pipe", from base R ($\geq$ 4.1.0)
 
 ### Which pipe should I use?
 

prereq-knowledge.qmd

@@ -34,7 +34,8 @@ Epi 203: inference for one or several homogenous populations
     + chi-square tests for binomial and Poisson models
     + nonparametric tests:
         - Wilcoxon signed-rank test for matched pairs
-        - Mann–Whitney/Kruskal-Wallis rank sum test for ≥2 independent samples
+        - Mann–Whitney/Kruskal-Wallis rank sum test 
+        for $\geq 2$ independent samples
         - Fisher's exact test for contingency tables
         - Cochran–Mantel–Haenszel-Cox log-rank test
 * Some linear regression