made suggested change

Author: abhishekblue

lib/node_modules/@stdlib/stats/incr/nanewmean/lib/main.js

@@ -21,6 +21,7 @@
 // MODULES //
 
 var increwmean = require( '@stdlib/stats/incr/ewmean' );
+var isnan = require( '@stdlib/math/base/assert/is-nan' );
 
 
 // MAIN //
@@ -52,7 +53,7 @@ var increwmean = require( '@stdlib/stats/incr/ewmean' );
 * // returns -1.5
 */
 function incrnanewmean( alpha ) {
-	var nanewmean = increwmean( alpha );
+	var ewmean = increwmean( alpha );
 	return accumulator;
 
 	/**
@@ -63,10 +64,10 @@ function incrnanewmean( alpha ) {
 	* @returns {(number|null)} mean value or null
 	*/
 	function accumulator(x) {
-		if ( arguments.length === 0 || isNaN( x ) ) {
-			return nanewmean();
+		if ( arguments.length === 0 || isnan( x ) ) {
+			return ewmean();
 		}
-		return nanewmean( x );
+		return ewmean( x );
 	}
 }