style: as suggested by the reviewer

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: passed
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: na
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: na
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

Author: satansin123

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

@@ -21,7 +21,7 @@
 // MODULES //
 
 var isPositiveInteger = require( '@stdlib/assert/is-positive-integer' ).isPrimitive;
-var incrmmean = require( '@stdlib/stats/incr/mmean' );
+var incrmmse = require( '@stdlib/stats/incr/mmse' );
 var format = require( '@stdlib/string/format' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 
@@ -63,11 +63,11 @@ var isnan = require( '@stdlib/math/base/assert/is-nan' );
 * // returns 33.0
 */
 function incrnanmmse( W ) {
-	var mean;
+	var mmse;
 	if ( !isPositiveInteger( W ) ) {
 		throw new TypeError( format( 'invalid argument. Must provide a positive integer. Value: `%s`.', W ) );
 	}
-	mean = incrmmean( W );
+	mmse = incrmmse( W );
 	return accumulator;
 
 	/**
@@ -79,12 +79,10 @@ function incrnanmmse( W ) {
 	* @returns {(number|null)} mean squared error or null
 	*/
 	function accumulator( x, y ) {
-		var r;
 		if ( arguments.length === 0 || isnan( x ) || isnan( y ) ) {
-			return mean();
+			return mmse();
 		}
-		r = y - x;
-		return mean( r*r );
+		return mmse( x, y );
 	}
 }