fix: update variable name for clarity and improve example usage in nanmeanors

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---

Author: gururaj1512

lib/node_modules/@stdlib/stats/base/nanmeanors/lib/accessors.js

@@ -41,8 +41,8 @@
 * // returns 1.25
 */
 function nanmeanors( N, x, strideX, offsetX ) {
-	var xget;
 	var xbuf;
+	var get;
 	var sum;
 	var ix;
 	var v;
@@ -53,16 +53,16 @@ function nanmeanors( N, x, strideX, offsetX ) {
 	xbuf = x.data;
 
 	// Cache references to element accessors:
-	xget = x.accessors[ 0 ];
+	get = x.accessors[ 0 ];
 
 	if ( N === 1 || strideX === 0 ) {
-		return xget( xbuf, offsetX );
+		return get( xbuf, offsetX );
 	}
 	ix = offsetX;
 	sum = 0.0;
 	n = 0;
 	for ( i = 0; i < N; i++ ) {
-		v = xget( xbuf, ix );
+		v = get( xbuf, ix );
 		if ( v === v ) {
 			sum += v;
 			n += 1;

lib/node_modules/@stdlib/stats/base/nanmeanors/lib/index.js

@@ -28,7 +28,7 @@
 *
 * var x = [ 1.0, -2.0, NaN, 2.0 ];
 *
-* var v = nanmeanors( 4, x, 1 );
+* var v = nanmeanors( x.length, x, 1 );
 * // returns ~0.3333
 *
 * @example