update README.md

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

Author: hrshya

lib/node_modules/@stdlib/stats/incr/nanmse/README.md

@@ -103,7 +103,8 @@ m = accumulator();
 <!-- eslint no-undef: "error" -->
 
 ```javascript
-var randu = require( '@stdlib/random/base/randu' );
+var bernoulli = require( '@stdlib/random/base/bernoulli' );
+var uniform = require( '@stdlib/random/base/uniform' );
 var incrnanmse = require( '@stdlib/stats/incr/nanmse' );
 
 var accumulator;
@@ -116,13 +117,8 @@ accumulator = incrnanmse();
 
 // For each simulated datum, update the mean squared error...
 for ( i = 0; i < 100; i++ ) {
-    if ( randu() < 0.2 ) {
-        v1 = NaN;
-        v2 = NaN;
-    } else {
-        v1 = ( randu()*100.0 ) - 50.0;
-        v2 = ( randu()*100.0 ) - 50.0;
-    }
+    v1 = ( bernoulli( 0.8 ) < 1 ) ? NaN : uniform( -50.0, 50.0 );
+    v2 = ( bernoulli( 0.8 ) < 1 ) ? NaN : uniform( -50.0, 50.0 );
     accumulator( v1, v2 );
 }
 console.log( accumulator() );
@@ -144,12 +140,6 @@ console.log( accumulator() );
 
 <section class="links">
 
-[mean-squared-error]: https://en.wikipedia.org/wiki/Mean_squared_error
-
-<!-- <related-links> -->
-
-<!-- </related-links> -->
-
 </section>
 
 <!-- /.links -->