diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..2934a60
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,11 @@
+
+help:
+	@echo 'type "make filter" to calculate results/filtered_windows.txt'
+
+filter: results/filtered_windows.txt
+	
+results/filtered_windows.txt: data/OUT_DAF_lower_filtrat.txt data/Genes.txt src/filter_genes.py
+	@cd src; python filter_genes.py --genes data/Genes.txt --windows data/OUT_DAF_lower_filtrat.txt --output results/filtered_windows.txt
+	@echo "Results created in $@"
+	
+