r-novice-gapminder--04-data-structures-part1.diff

diff --git a/home/zhian/Documents/Carpentries/Git/zkamvar--postmaul/data/rmd-repos/swcarpentry--r-novice-gapminderR3/_episodes/04-data-structures-part1.md b/home/zhian/Documents/Carpentries/Git/zkamvar--postmaul/data/rmd-repos/swcarpentry--r-novice-gapminderR4/_episodes/04-data-structures-part1.md
index 0062404..6a92e0f 100644
--- a/home/zhian/Documents/Carpentries/Git/zkamvar--postmaul/data/rmd-repos/swcarpentry--r-novice-gapminderR3/_episodes/04-data-structures-part1.md
+++ b/home/zhian/Documents/Carpentries/Git/zkamvar--postmaul/data/rmd-repos/swcarpentry--r-novice-gapminderR4/_episodes/04-data-structures-part1.md
@@ -105,8 +105,7 @@ cats$coat
 
 
 ~~~
-[1] calico black  tabby 
-Levels: black calico tabby
+[1] "calico" "black"  "tabby" 
 ~~~
 {: .output}
 
@@ -151,17 +150,10 @@ cats$weight + cats$coat
 
 
 ~~~
-Warning in Ops.factor(cats$weight, cats$coat): '+' not meaningful for factors
+Error in cats$weight + cats$coat: non-numeric argument to binary operator
 ~~~
 {: .error}
 
-
-
-~~~
-[1] NA NA NA
-~~~
-{: .output}
-
 Understanding what happened here is key to successfully analyzing data in R.
 
 ## Data Types
@@ -292,7 +284,7 @@ typeof(cats$weight)
 
 
 ~~~
-[1] "integer"
+[1] "character"
 ~~~
 {: .output}
 
@@ -308,17 +300,10 @@ cats$weight + 2
 
 
 ~~~
-Warning in Ops.factor(cats$weight, 2): '+' not meaningful for factors
+Error in cats$weight + 2: non-numeric argument to binary operator
 ~~~
 {: .error}
 
-
-
-~~~
-[1] NA NA NA NA
-~~~
-{: .output}
-
 What happened? When R reads a csv file into one of these tables, it insists that
 everything in a column be the same basic type; if it can't understand
 *everything* in the column as a double, then *nobody* in the column gets to be a
@@ -1362,7 +1347,7 @@ class(matrix_example)
 
 
 ~~~
-[1] "matrix"
+[1] "matrix" "array" 
 ~~~
 {: .output}