diff --git a/module2/exo4/daily_data.csv b/module2/exo4/daily_data.csv
new file mode 100644
index 0000000000000000000000000000000000000000..c9637459662ac9b4cf9c02577be50a55ae0d0d54
--- /dev/null
+++ b/module2/exo4/daily_data.csv
@@ -0,0 +1,4 @@
+date,study_minutes,mood,weather,notes
+2025-12-19,60,7,cloudy,"Started module 2 exo4"
+2025-12-20,45,6,rain,"Worked on markdown and Rmd"
+2025-12-21,90,8,sunny,"Did plots and stats"