diff --git a/inst/extdata/PETM_VignetteData.csv b/inst/extdata/PETM_VignetteData.csv
new file mode 100644
index 0000000..1cc65be
--- /dev/null
+++ b/inst/extdata/PETM_VignetteData.csv
@@ -0,0 +1,9 @@
+age,d11B,d11B2s,d11Bspec,Mg/Ca,Mg/Ca2s,d18O,d18O2s
+55956,14.61,0.23,"""Tsac""",3.26,0.1,,
+55956,15.46,0.22," ""Grub""",,,,
+55954,,,,3.33,0.1,,
+55932,14.49,0.34," ""Grub""",5.04,0.15,-2.14,0.16
+55926,14.11,0.33," ""Tsac""",,,,
+55924,,,,4.83,0.14,-1.98,0.16
+55901,14.46,0.21," ""Grub""",,,-2.19,0.16
+55899,13.94,0.29," ""Tsac""",,,-1.99,0.16
\ No newline at end of file