fixed variancewd.js ESLint issue

Author: gkbishnoi07

lib/node_modules/@stdlib/stats/base/variancewd/lib/variancewd.js

@@ -20,10 +20,10 @@
 
 // MODULES //
 
-var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var stride2offset = require( '@stdlib/strided/base/stride2offset' );
 var ndarray = require( './ndarray.js' );
 
+
 // MAIN //
 
 /**
@@ -43,7 +43,7 @@ var ndarray = require( './ndarray.js' );
 * var N = x.length;
 *
 * var v = variancewd( N, 1, x, 1, mask, 1 );
-* // returns expected variance
+* // returns 4.333333333333333
 */
 function variancewd( N, correction, x, strideX ) {
 	return ndarray( N, correction, x, strideX, stride2offset( N, strideX ) );