diff --git a/.Rbuildignore b/.Rbuildignore
new file mode 100644
index 0000000..c503c4f
--- /dev/null
+++ b/.Rbuildignore
@@ -0,0 +1 @@
+^\.github$
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..cba43cc
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,6 @@
+.Rproj.user
+.Rhistory
+.RData
+.Ruserdata
+
+/.quarto/
diff --git a/DA-documentation.Rproj b/DA-documentation.Rproj
new file mode 100644
index 0000000..8e3c2eb
--- /dev/null
+++ b/DA-documentation.Rproj
@@ -0,0 +1,13 @@
+Version: 1.0
+
+RestoreWorkspace: Default
+SaveWorkspace: Default
+AlwaysSaveHistory: Default
+
+EnableCodeIndexing: Yes
+UseSpacesForTab: Yes
+NumSpacesForTab: 2
+Encoding: UTF-8
+
+RnwWeave: Sweave
+LaTeX: pdfLaTeX