diff --git a/lib/node_modules/@stdlib/stats/base/nanmskrange/README.md b/lib/node_modules/@stdlib/stats/base/nanmskrange/README.md
index 7b54d6b0ae96..20e32e65cccd 100644
--- a/lib/node_modules/@stdlib/stats/base/nanmskrange/README.md
+++ b/lib/node_modules/@stdlib/stats/base/nanmskrange/README.md
@@ -136,18 +136,22 @@ var v = nanmskrange.ndarray( 4, x, 2, 1, mask, 2, 1 );
 <!-- eslint no-undef: "error" -->
 
 ```javascript
-var uniform = require( '@stdlib/random/array/uniform' );
-var bernoulli = require( '@stdlib/random/array/bernoulli' );
+var uniform = require( '@stdlib/random/base/uniform' );
+var bernoulli = require( '@stdlib/random/base/bernoulli' );
+var filledarrayBy = require( '@stdlib/array/filled-by' );
 var nanmskrange = require( '@stdlib/stats/base/nanmskrange' );
 
-var x = uniform( 10, -50.0, 50.0, {
-    'dtype': 'float64'
-});
+function rand() {
+    if ( bernoulli( 0.8 ) < 1 ) {
+        return NaN;
+    }
+    return uniform( -50.0, 50.0 );
+}
+
+var x = filledarrayBy( 10, 'float64', rand );
 console.log( x );
 
-var mask = bernoulli( x.length, 0.2, {
-    'dtype': 'uint8'
-});
+var mask = filledarrayBy( x.length, 'uint8', bernoulli.factory( 0.2 ) );
 console.log( mask );
 
 var v = nanmskrange( x.length, x, 1, mask, 1 );
diff --git a/lib/node_modules/@stdlib/stats/base/nanmskrange/benchmark/benchmark.js b/lib/node_modules/@stdlib/stats/base/nanmskrange/benchmark/benchmark.js
index 4bb7dc1a55e7..1265b4a49bef 100644
--- a/lib/node_modules/@stdlib/stats/base/nanmskrange/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/stats/base/nanmskrange/benchmark/benchmark.js
@@ -21,23 +21,30 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench' );
-var uniform = require( '@stdlib/random/array/uniform' );
-var bernoulli = require( '@stdlib/random/array/bernoulli' );
+var uniform = require( '@stdlib/random/base/uniform' );
+var bernoulli = require( '@stdlib/random/base/bernoulli' );
+var filledarrayBy = require( '@stdlib/array/filled-by' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var pkg = require( './../package.json' ).name;
 var nanmskrange = require( './../lib/nanmskrange.js' );
 
 
-// VARIABLES //
-
-var options = {
-	'dtype': 'generic'
-};
-
-
 // FUNCTIONS //
 
+/**
+* Returns a random value or `NaN`.
+*
+* @private
+* @returns {number} random number or `NaN`
+*/
+function rand() {
+	if ( bernoulli( 0.8 ) < 1 ) {
+		return NaN;
+	}
+	return uniform( -10.0, 10.0 );
+}
+
 /**
 * Creates a benchmark function.
 *
@@ -46,8 +53,11 @@ var options = {
 * @returns {Function} benchmark function
 */
 function createBenchmark( len ) {
-	var mask = bernoulli( len, 0.2, options );
-	var x = uniform( len, -10.0, 10.0, options );
+	var mask;
+	var x;
+
+	x = filledarrayBy( len, 'generic', rand );
+	mask = filledarrayBy( len, 'uint8', bernoulli.factory( 0.2 ) );
 	return benchmark;
 
 	function benchmark( b ) {
diff --git a/lib/node_modules/@stdlib/stats/base/nanmskrange/benchmark/benchmark.ndarray.js b/lib/node_modules/@stdlib/stats/base/nanmskrange/benchmark/benchmark.ndarray.js
index 0f8409d9ba87..1956cf627dc5 100644
--- a/lib/node_modules/@stdlib/stats/base/nanmskrange/benchmark/benchmark.ndarray.js
+++ b/lib/node_modules/@stdlib/stats/base/nanmskrange/benchmark/benchmark.ndarray.js
@@ -21,23 +21,30 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench' );
-var uniform = require( '@stdlib/random/array/uniform' );
-var bernoulli = require( '@stdlib/random/array/bernoulli' );
+var uniform = require( '@stdlib/random/base/uniform' );
+var bernoulli = require( '@stdlib/random/base/bernoulli' );
+var filledarrayBy = require( '@stdlib/array/filled-by' );
 var isnan = require( '@stdlib/math/base/assert/is-nan' );
 var pow = require( '@stdlib/math/base/special/pow' );
 var pkg = require( './../package.json' ).name;
 var nanmskrange = require( './../lib/ndarray.js' );
 
 
-// VARIABLES //
-
-var options = {
-	'dtype': 'generic'
-};
-
-
 // FUNCTIONS //
 
+/**
+* Returns a random value or `NaN`.
+*
+* @private
+* @returns {number} random number or `NaN`
+*/
+function rand() {
+	if ( bernoulli( 0.8 ) < 1 ) {
+		return NaN;
+	}
+	return uniform( -10.0, 10.0 );
+}
+
 /**
 * Creates a benchmark function.
 *
@@ -46,8 +53,11 @@ var options = {
 * @returns {Function} benchmark function
 */
 function createBenchmark( len ) {
-	var mask = bernoulli( len, 0.2, options );
-	var x = uniform( len, -10.0, 10.0, options );
+	var mask;
+	var x;
+
+	x = filledarrayBy( len, 'generic', rand );
+	mask = filledarrayBy( len, 'uint8', bernoulli.factory( 0.2 ) );
 	return benchmark;
 
 	function benchmark( b ) {
diff --git a/lib/node_modules/@stdlib/stats/base/nanmskrange/examples/index.js b/lib/node_modules/@stdlib/stats/base/nanmskrange/examples/index.js
index a29fed717426..4f8900cdd21b 100644
--- a/lib/node_modules/@stdlib/stats/base/nanmskrange/examples/index.js
+++ b/lib/node_modules/@stdlib/stats/base/nanmskrange/examples/index.js
@@ -18,18 +18,22 @@
 
 'use strict';
 
-var uniform = require( '@stdlib/random/array/uniform' );
-var bernoulli = require( '@stdlib/random/array/bernoulli' );
+var uniform = require( '@stdlib/random/base/uniform' );
+var bernoulli = require( '@stdlib/random/base/bernoulli' );
+var filledarrayBy = require( '@stdlib/array/filled-by' );
 var nanmskrange = require( './../lib' );
 
-var x = uniform( 10, -50.0, 50.0, {
-	'dtype': 'float64'
-});
+function rand() {
+	if ( bernoulli( 0.8 ) < 1 ) {
+		return NaN;
+	}
+	return uniform( -50.0, 50.0 );
+}
+
+var x = filledarrayBy( 10, 'float64', rand );
 console.log( x );
 
-var mask = bernoulli( x.length, 0.2, {
-	'dtype': 'uint8'
-});
+var mask = filledarrayBy( x.length, 'uint8', bernoulli.factory( 0.2 ) );
 console.log( mask );
 
 var v = nanmskrange( x.length, x, 1, mask, 1 );