Update rounding.md

Author: bradleyboehmke

numbers/rounding.md

@@ -4,8 +4,13 @@ title: Rounding Numbers
 permalink: /rounding/
 ---
 
-There are many ways of rounding to the nearest integer, up, down, or toward a specified decimal place.  Lets assume `x = 1, 1.35, 1.7, 2.05, 2.4, 2.75, 3.1, 3.45, 3.8, 4.15, 4.5, 4.85, 5.2, 5.55, 5.9`.  The following illustrates the common ways to round `x`.
+There are many ways of rounding to the nearest integer, up, down, or toward a specified decimal place.  Assuming we have the following vector `x`:
 
+```r
+x <- (1, 1.35, 1.7, 2.05, 2.4, 2.75, 3.1, 3.45, 3.8, 4.15, 4.5, 4.85, 5.2, 5.55, 5.9)
+```
+
+The following illustrates the common ways to round `x`:
 
 ```r
 # Round to the nearest integer