fix: updated function to support ndarray

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0PrashantYadav0 · Jan 12, 2025 · b281eb7 · b281eb7
1 parent 7b3cfe8
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Showing 3 changed files with 8 additions and 12 deletions.
diff --git a/lib/node_modules/@stdlib/stats/base/dvariancepn/lib/ndarray.native.js b/lib/node_modules/@stdlib/stats/base/dvariancepn/lib/ndarray.native.js
@@ -38,7 +38,7 @@ var addon = require( './../src/addon.node' );
 * @example
 * var Float64Array = require( '@stdlib/array/float64' );
 *
-* var x = new Float64Array( [ 1.0, 2.0, 2.0, -7.0, -2.0, 3.0, 4.0, 2.0 ] );
+* var x = new Float64Array( [ 2.0, 1.0, 2.0, -2.0, -2.0, 2.0, 3.0, 4.0 ] );
 *
 * var v = dvariancepn( 4, 1, x, 2, 1 );
 * // returns 6.25

diff --git a/lib/node_modules/@stdlib/stats/base/dvariancepn/src/main.c b/lib/node_modules/@stdlib/stats/base/dvariancepn/src/main.c
@@ -73,13 +73,9 @@ double API_SUFFIX(stdlib_strided_dvariancepn_ndarray)( const CBLAS_INT N, const
 		return 0.0;
 	}
 	// Compute an estimate for the mean:
-	mu = stdlib_strided_dsumpw( N, X, strideX ) / dN;
+	mu = API_SUFFIX(stdlib_strided_dsumpw_ndarray)( N, X, strideX, offsetX ) / dN;
 
-	if ( strideX < 0 ) {
-		ix = (1-N) * strideX;
-	} else {
-		ix = 0;
-	}
+	ix = offsetX;
 	// Compute the variance...
 	M2 = 0.0;
 	M = 0.0;

diff --git a/lib/node_modules/@stdlib/stats/base/dvariancepn/test/test.ndarray.native.js b/lib/node_modules/@stdlib/stats/base/dvariancepn/test/test.ndarray.native.js
@@ -188,13 +188,13 @@ tape( 'the function supports an `offset` parameter', opts, function test( t ) {
 
 	x = new Float64Array([
 		1.0,
-		2.0,   // 0
+		1.0,  // 0
 		2.0,
-		-7.0,  // 1
+		-2.0, // 1
 		-2.0,
-		3.0,   // 2
-		4.0,
-		2.0    // 3
+		2.0,  // 2
+		3.0,
+		4.0   // 3
 	]);
 
 	v = dvariancepn( 4, 1, x, 2, 1 );