fixed issues

Author: prajjwalbajpai

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

@@ -33,14 +33,14 @@ var ndarray = require( './ndarray.js' );
 * @param {PositiveInteger} correction - degrees of freedom adjustment
 * @param {NumericArray} x - input array
 * @param {integer} strideX - stride length
-* @returns {number} minimum value
+* @returns {number} variance
 *
 * @example
 * var x = [ 1.0, -2.0, 2.0 ];
 * var N = x.length;
 *
 * var v = variancetk( N, 1, x, 1 );
-* // returns
+* // returns ~4.3333
 */
 function variancetk( N, correction, x, strideX ) {
 	return ndarray( N, correction, x, strideX, stride2offset( N, strideX ) );

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

@@ -56,11 +56,11 @@ function variancetk( N, correction, x, strideX, offsetX ) {
 		return NaN;
 	}
 	o = arraylike2object( x );
-	if ( o.accessorProtocol ) {
-		return accessors( N, o, strideX, offsetX );
-	}
 	if ( N === 1 || strideX === 0 ) {
-		return x[ offsetX ];
+		return 0.0;
+	}
+	if ( o.accessorProtocol ) {
+		return accessors( N, correction, o, strideX, offsetX );
 	}
 	ix = offsetX;
 	S2 = 0.0;