changed seed to 1234 before elbow plots to fix #362

Author: ttimbers

clustering.Rmd

@@ -792,7 +792,7 @@ earlier, the clustering will be reproducible.
 
 ```{r 10-kmeans-seed, echo = FALSE, warning = FALSE, message = FALSE}
 # hidden seed
-set.seed(1)
+set.seed(1234)
 ```
 
 ```{r 10-kmeans}