diff --git a/test/test-ml-entropy.js b/test/test-ml-entropy.js
new file mode 100644
index 0000000..a9970bd
--- /dev/null
+++ b/test/test-ml-entropy.js
@@ -0,0 +1,91 @@
+var data1 = [
+['a','A'],
+['a','A'],
+['a','A'],
+['a','A'],
+['a','A'],
+['a','A'],
+['a','A'],
+['a','A'],
+['a','A'],
+['a','A'],
+]
+
+var data2 = [
+['a','A'],
+['b','A'],
+['a','A'],
+['b','A'],
+['a','A'],
+['b','A'],
+['a','A'],
+['b','A'],
+['a','A'],
+['b','A'],
+]
+
+var data3 = [
+['a','A'],
+['b','B'],
+['c','C'],
+['a','A'],
+['b','B'],
+['c','C'],
+['a','A'],
+['b','B'],
+['c','C'],
+['a','A'],
+]
+
+var data43 = [
+['a','A'],
+['b','B'],
+['c','C'],
+['a','C'],
+['b','A'],
+['c','B'],
+['a','B'],
+['b','C'],
+['c','A'],
+['a','A'],
+]
+
+var data42 = [
+['a','A'],
+['b','B'],
+['c','B'],
+['a','B'],
+['b','A'],
+['c','B'],
+['a','B'],
+['b','A'],
+['c','A'],
+['a','A'],
+]
+
+var data44 = [
+['a','A'],
+['b','D'],
+['c','B'],
+['a','B'],
+['b','A'],
+['c','C'],
+['a','B'],
+['b','A'],
+['c','A'],
+['a','C'],
+]
+
+print('entropy of data1',ml.stats.entropy(ml.stats.utils.column(data1,0)))
+print('entropy of data2',ml.stats.entropy(ml.stats.utils.column(data2,0)))
+print('entropy of data3',ml.stats.entropy(ml.stats.utils.column(data3,0)))
+print('entropy of data42',ml.stats.entropy(ml.stats.utils.column(data42,0)))
+print('entropy of data43',ml.stats.entropy(ml.stats.utils.column(data43,0)))
+
+print('dep. entropy of data1',ml.stats.entropyT(data1,0,1,['A','B','C']))
+print('dep. entropy of data2',ml.stats.entropyT(data2,0,1,['A','B','C']))
+print('dep. entropy of data3',ml.stats.entropyT(data3,0,1,['A','B','C']))
+print('dep. entropy of data42',ml.stats.entropyT(data42,0,1,['A','B']))
+print('dep. entropy of data43',ml.stats.entropyT(data43,0,1,['A','B','C']))
+print('dep. entropy of data44',ml.stats.entropyT(data44,0,1,['A','B','C','D']))
+