4PL report update

RoxygenTestFile.Rmd

@@ -49,3 +49,11 @@ expect_equal(TestTab, SolTab, check.attributes = FALSE)
 ```
 
 Note that the `echo = FALSE` parameter was added to the code chunk to prevent printing of the R code that generated the plot.
+
+
+
+``` {r}
+y<-1:4;mean(y)
+#> [1] 2.5
+```
+