diff --git a/README.md b/README.md
index c292db0..8deeb62 100644
--- a/README.md
+++ b/README.md
@@ -5,12 +5,17 @@ rrnmr/
 ├── README.md               # project overview
 ├── LICENCE                 # project licence
 ├── rrnmr-import.Rmd        # R markdown for the data preprocessing
+├── rrnmr.Rmd               # R markdown for the analysis (main file)
+├── rrnmr-xgboost.Rmd       # R markdown for the xgboost analysis (main file)
 ├── articles-importer.R     # Minor R functions for data preprocessing
 ├── articles-definitions.R # R functions for variable definitions in data preprocessing
-├── rrnmr.Rmd               # R markdown for the analysis (main file)
 ├── articles-functions.R    # Minor R functions for analysis
 ├── articles-models.R       # Minor R functions for modeling
 ├── articles-plots.R        # Minor R functions for plotting 
 ├── articles-tables.R       # Minor R function for creating tables
+├── articles-xgfunctions.R  # Helper functions for xgboost
+├── articles-xgboost.R      # Helper model implementation functions for xgboost
+
+
 ````