call PCAtools explicitly for biplot as per advice

carpentries-incubator · Mar 27, 2024 · 53524a8 · 53524a8
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commit 53524a8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/_episodes_rmd/04-principal-component-analysis.Rmd b/_episodes_rmd/04-principal-component-analysis.Rmd
@@ -698,7 +698,7 @@ are two functions called `biplot()`, one in the package **`PCAtools`** and one i
 > > ## Solution
 > > 
 > > ```{r biplot-ex}
-> > biplot(pc, lab = NULL, colby = 'Grade', legendPosition = 'top')
+> > PCAtools::biplot(pc, lab = NULL, colby = 'Grade', legendPosition = 'top')
 > > ```
 > > The biplot shows the position of patient samples relative to PC1 and PC2
 > > in a 2-dimensional plot. Note that two groups are apparent along the PC1