docs: clean-up

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

Author: kgryte

lib/node_modules/@stdlib/stats/base/dnanmskrange/README.md

@@ -18,6 +18,8 @@ limitations under the License.
 
 -->
 
+<!-- lint disable maximum-heading-length -->
+
 # dnanmskrange
 
 > Calculate the [range][range] of a double-precision floating-point strided array according to a mask, ignoring `NaN` values.
@@ -147,27 +149,21 @@ var v = dnanmskrange.ndarray( 4, x, 2, 1, mask, 2, 1 );
 
 ```javascript
 var uniform = require( '@stdlib/random/base/uniform' );
-var filledarrayBy = require( '@stdlib/array/filled-by' );
 var bernoulli = require( '@stdlib/random/base/bernoulli' );
-var uint8Array = require( '@stdlib/random/array/bernoulli' );
+var filledarrayBy = require( '@stdlib/array/filled-by' );
 var dnanmskrange = require( '@stdlib/stats/base/dnanmskrange' );
 
-var mask;
-var x;
-
 function rand() {
     if ( bernoulli( 0.8 ) < 1 ) {
         return NaN;
     }
     return uniform( -50.0, 50.0 );
 }
 
-x = filledarrayBy( 10, 'float64', rand );
+var x = filledarrayBy( 10, 'float64', rand );
 console.log( x );
 
-mask = uint8Array( x.length, 0.2, {
-    'dtype': 'uint8'
-});
+var mask = filledarrayBy( x.length, 'uint8', bernoulli.factory( 0.2 ) );
 console.log( mask );
 
 var v = dnanmskrange( x.length, x, 1, mask, 1 );