Update ndarray.js

Signed-off-by: JaySoni1 <[email protected]>

Author: JaySoni1

lib/node_modules/@stdlib/stats/base/meanpn/lib/ndarray.js

@@ -18,11 +18,13 @@
 
 'use strict';
 
+
 // MODULES //
 
 var gsumpw = require( '@stdlib/blas/ext/base/gsumpw' ).ndarray;
 var gapxsumpw = require( '@stdlib/blas/ext/base/gapxsumpw' ).ndarray;
 
+
 // MAIN //
 
 /**
@@ -53,6 +55,17 @@ var gapxsumpw = require( '@stdlib/blas/ext/base/gapxsumpw' ).ndarray;
 * // returns 1.25
 */
 // cspell:ignore meanpn
+
+/**
+* Computes the arithmetic mean of a strided array using a two-pass error correction algorithm.
+*
+* @private
+* @param {PositiveInteger} N - number of indexed elements
+* @param {NumericArray} x - input array
+* @param {integer} stride - stride length
+* @param {NonNegativeInteger} offset - starting index
+* @returns {number} arithmetic mean
+*/
 function meanpn( N, x, stride, offset ) {
 	var mu;
 	var c;
@@ -72,6 +85,7 @@ function meanpn( N, x, stride, offset ) {
 	return mu + c;
 }
 
+
 // EXPORTS //
 
 module.exports = meanpn;