diff --git a/.gitignore b/.gitignore
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+++ b/.gitignore
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+.Rproj.user
+.Rhistory
+.RData
+.Ruserdata
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diff --git a/twitter.Rproj b/twitter.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