diff --git a/.Rbuildignore b/.Rbuildignore
new file mode 100644
index 0000000000000000000000000000000000000000..ef27d9c75b7a24a321f3aa11691ad48baeb24276
--- /dev/null
+++ b/.Rbuildignore
@@ -0,0 +1,3 @@
+^seinebasin3\.Rproj$
+^\.Rproj\.user$
+^data-raw$
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..cd67eac6691ca75ea8d272e449c12b35e8b13b14
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.Rproj.user
diff --git a/DESCRIPTION b/DESCRIPTION
new file mode 100644
index 0000000000000000000000000000000000000000..16a3f0a092bc01d643d77001d47f572b8cb1b5c8
--- /dev/null
+++ b/DESCRIPTION
@@ -0,0 +1,13 @@
+Package: seinebasin3
+Title: What the Package Does (One Line, Title Case)
+Version: 0.0.0.9000
+Authors@R: 
+    person("First", "Last", , "first.last@example.com", role = c("aut", "cre"))
+Description: What the package does (one paragraph).
+License: `use_mit_license()`, `use_gpl3_license()` or friends to pick a
+    license
+Encoding: UTF-8
+Roxygen: list(markdown = TRUE)
+RoxygenNote: 7.3.2
+Imports: 
+    openxlsx2
diff --git a/NAMESPACE b/NAMESPACE
new file mode 100644
index 0000000000000000000000000000000000000000..6ae926839dd1829f1016a96f766d970ff184ad97
--- /dev/null
+++ b/NAMESPACE
@@ -0,0 +1,2 @@
+# Generated by roxygen2: do not edit by hand
+
diff --git a/seinebasin3.Rproj b/seinebasin3.Rproj
new file mode 100644
index 0000000000000000000000000000000000000000..aaa62a52c81f7843ab9cacc692ef93b4d6a95a3a
--- /dev/null
+++ b/seinebasin3.Rproj
@@ -0,0 +1,17 @@
+Version: 1.0
+
+RestoreWorkspace: No
+SaveWorkspace: No
+AlwaysSaveHistory: Default
+
+EnableCodeIndexing: Yes
+Encoding: UTF-8
+
+AutoAppendNewline: Yes
+StripTrailingWhitespace: Yes
+LineEndingConversion: Posix
+
+BuildType: Package
+PackageUseDevtools: Yes
+PackageInstallArgs: --no-multiarch --with-keep.source
+PackageRoxygenize: rd,collate,namespace