diff --git a/data b/data
index 0b276a1366f..e1f6aaae5fc 160000
--- a/data
+++ b/data
@@ -1 +1 @@
-Subproject commit 0b276a1366f05a117371563f021a620e403b0b1d
+Subproject commit e1f6aaae5fca2714792dac72a7253048f635abf8
diff --git a/examples/meta/src/distance/chi_square.sg b/examples/meta/src/distance/chi_square.sg
new file mode 100644
index 00000000000..2850947c10f
--- /dev/null
+++ b/examples/meta/src/distance/chi_square.sg
@@ -0,0 +1,20 @@
+CSVFile f_feats_a("../../data/fm_train_real.dat")
+CSVFile f_feats_b("../../data/fm_test_real.dat")
+
+#![create_features]
+RealFeatures features_a(f_feats_a)
+RealFeatures features_b(f_feats_b)
+#![create_features]
+
+#![create_instance]
+ChiSquareDistance distance(features_a, features_a)
+#![create_instance]
+
+#![extract_distance]
+RealMatrix distance_matrix_aa = distance.get_distance_matrix()
+#![extract_distance]
+
+#![refresh_distance]
+distance.init(features_a, features_b)
+RealMatrix distance_matrix_ab = distance.get_distance_matrix()
+#![refresh_distance]