fix: implementation to use meanpn

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---

Author: gururaj1512

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

@@ -42,18 +42,11 @@
 
 // MODULES //
 
-var setReadOnly = require( '@stdlib/utils/define-nonenumerable-read-only-property' );
-var main = require( './main.js' );
-var ndarray = require( './ndarray.js' );
-
-
-// MAIN //
-
-setReadOnly( main, 'ndarray', ndarray );
+var mean = require( './main.js' );
 
 
 // EXPORTS //
 
-module.exports = main;
+module.exports = mean;
 
-// exports: { "ndarray": "main.ndarray" }
+// exports: { "ndarray": "mean.ndarray" }

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

@@ -20,30 +20,14 @@
 
 // MODULES //
 
-var stride2offset = require( '@stdlib/strided/base/stride2offset' );
+var setReadOnly = require( '@stdlib/utils/define-nonenumerable-read-only-property' );
+var mean = require( './mean.js' );
 var ndarray = require( './ndarray.js' );
 
 
 // MAIN //
 
-/**
-* Computes the mean value of a strided array.
-*
-* @param {PositiveInteger} N - number of indexed elements
-* @param {NumericArray} x - input array
-* @param {integer} strideX - stride length
-* @returns {number} mean value
-*
-* @example
-* var x = [ 1.0, -2.0, 2.0 ];
-* var N = x.length;
-*
-* var v = mean( N, x, 1 );
-* // returns 0.3333333333333333
-*/
-function mean( N, x, strideX ) {
-	return ndarray( N, x, strideX, stride2offset( N, strideX ) );
-}
+setReadOnly( mean, 'ndarray', ndarray );
 
 
 // EXPORTS //

lib/node_modules/@stdlib/stats/base/mean/lib/main.js

@@ -0,0 +1,49 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2020 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var meanpn = require( '@stdlib/stats/base/meanpn' );
+
+
+// MAIN //
+
+/**
+* Computes the arithmetic mean of a strided array.
+*
+* @param {PositiveInteger} N - number of indexed elements
+* @param {NumericArray} x - input array
+* @param {integer} strideX - stride length
+* @returns {number} arithmetic mean
+*
+* @example
+* var x = [ 1.0, -2.0, 2.0 ];
+*
+* var v = mean( x.length, x, 1 );
+* // returns ~0.3333
+*/
+function mean( N, x, strideX ) {
+	return meanpn( N, x, strideX );
+}
+
+
+// EXPORTS //
+
+module.exports = mean;

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

@@ -20,9 +20,7 @@
 
 // MODULES //
 
-var isnan = require( '@stdlib/math/base/assert/is-nan' );
-var arraylike2object = require( '@stdlib/array/base/arraylike2object' );
-var accessors = require( './accessors.js' );
+var meanpn = require( '@stdlib/stats/base/meanpn' ).ndarray;
 
 
 // MAIN //
@@ -43,33 +41,7 @@ var accessors = require( './accessors.js' );
 * // returns 1.25
 */
 function mean( N, x, strideX, offsetX ) {
-	var sum;
-	var ix;
-	var o;
-	var v;
-	var i;
-
-	if ( N <= 0 ) {
-		return NaN;
-	}
-	o = arraylike2object( x );
-	if ( o.accessorProtocol ) {
-		return accessors( N, o, strideX, offsetX );
-	}
-	if ( N === 1 || strideX === 0 ) {
-		return x[ offsetX ];
-	}
-	ix = offsetX;
-	sum = 0;
-	for ( i = 0; i < N; i++ ) {
-		v = x[ ix ];
-		if ( isnan( v ) ) {
-			return v;
-		}
-		sum += v;
-		ix += strideX;
-	}
-	return sum / N;
+	return meanpn( N, x, strideX, offsetX );
 }