all these changes

frontend/node_modules/skmeans/dist/node/distance.js

@@ -0,0 +1,39 @@
+"use strict";
+
+module.exports = {
+	/**
+  * Euclidean distance
+  */
+	eudist: function eudist(v1, v2, sqrt) {
+		var len = v1.length;
+		var sum = 0;
+
+		for (var i = 0; i < len; i++) {
+			var d = (v1[i] || 0) - (v2[i] || 0);
+			sum += d * d;
+		}
+		// Square root not really needed
+		return sqrt ? Math.sqrt(sum) : sum;
+	},
+	mandist: function mandist(v1, v2, sqrt) {
+		var len = v1.length;
+		var sum = 0;
+
+		for (var i = 0; i < len; i++) {
+			sum += Math.abs((v1[i] || 0) - (v2[i] || 0));
+		}
+
+		// Square root not really needed
+		return sqrt ? Math.sqrt(sum) : sum;
+	},
+
+
+	/**
+  * Unidimensional distance
+  */
+	dist: function dist(v1, v2, sqrt) {
+		var d = Math.abs(v1 - v2);
+		return sqrt ? d : d * d;
+	}
+};
+//# sourceMappingURL=distance.js.map