diff --git a/.gitignore b/.gitignore
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+.Rproj.user
+.Rhistory
+.RData
+.Ruserdata
diff --git a/Class-activity-3.Rproj b/Class-activity-3.Rproj
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+Version: 1.0
+
+RestoreWorkspace: Default
+SaveWorkspace: Default
+AlwaysSaveHistory: Default
+
+EnableCodeIndexing: Yes
+UseSpacesForTab: Yes
+NumSpacesForTab: 2
+Encoding: UTF-8
+
+RnwWeave: Sweave
+LaTeX: pdfLaTeX
diff --git a/class-activity-3.Rmd b/class-activity-3.Rmd
index d8dd1d6..ea7e1d7 100644
--- a/class-activity-3.Rmd
+++ b/class-activity-3.Rmd
@@ -1,7 +1,7 @@
 ---
 title: "class activity 3"
-author: "Charles Lang"
-date: "10/2/2018"
+author: "K. David Pearce"
+date: "10/1/2019"
 output: html_document
 ---
 
@@ -43,13 +43,13 @@ ggplot(mpg, aes(displ, hwy, color = class)) +
 Can you create a line graph using the "economics_long" data set that shows change over time in "value01" for different categories of "variable"?
 
 ```{r}
-
+ggplot(economics_long, aes(date, value01, colour = variable)) +
+  geom_line()
 ```
 
 If you would like to recreate the Minard graphic of Napoleon's Troops the code is below and the data is in this repo.
 
 ```{r}
-
 ggplot(cities, aes(long, lat)) +
   geom_path(aes(size = survivors, colour =
 direction,
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