diff --git a/.Rbuildignore b/.Rbuildignore
new file mode 100644
index 0000000000000000000000000000000000000000..91114bf2f2bba5e0c5252e75018da19b869776f1
--- /dev/null
+++ b/.Rbuildignore
@@ -0,0 +1,2 @@
+^.*\.Rproj$
+^\.Rproj\.user$
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..5b6a0652566d10360493952aec6d4a4febc77083
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+.Rproj.user
+.Rhistory
+.RData
+.Ruserdata
diff --git a/ipa.Rproj b/ipa.Rproj
new file mode 100644
index 0000000000000000000000000000000000000000..21a4da087e1c026c953a49de88caea1247cd1f1b
--- /dev/null
+++ b/ipa.Rproj
@@ -0,0 +1,17 @@
+Version: 1.0
+
+RestoreWorkspace: Default
+SaveWorkspace: Default
+AlwaysSaveHistory: Default
+
+EnableCodeIndexing: Yes
+UseSpacesForTab: Yes
+NumSpacesForTab: 2
+Encoding: UTF-8
+
+RnwWeave: Sweave
+LaTeX: pdfLaTeX
+
+BuildType: Package
+PackageUseDevtools: Yes
+PackageInstallArgs: --no-multiarch --with-keep.source