fix: update examples in README and REPL for nanvariancech

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Author: gururaj1512

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

@@ -100,7 +100,7 @@ var nanvariancech = require( '@stdlib/stats/base/nanvariancech' );
 
 #### nanvariancech( N, correction, x, strideX )
 
-Computes the [variance][variance] of a strided array `x` ignoring `NaN` values and using a one-pass trial mean algorithm.
+Computes the [variance][variance] of a strided array ignoring `NaN` values and using a one-pass trial mean algorithm.
 
 ```javascript
 var x = [ 1.0, -2.0, NaN, 2.0 ];
@@ -146,7 +146,7 @@ Computes the [variance][variance] of a strided array ignoring `NaN` values and u
 ```javascript
 var x = [ 1.0, -2.0, NaN, 2.0 ];
 
-var v = nanvariancech.ndarray( 4, 1, x, 1, 0 );
+var v = nanvariancech.ndarray( x.length, 1, x, 1, 0 );
 // returns ~4.33333
 ```
 

lib/node_modules/@stdlib/stats/base/nanvariancech/docs/repl.txt

@@ -46,10 +46,10 @@
     --------
     // Standard Usage:
     > var x = [ 1.0, -2.0, NaN, 2.0 ];
-    > {{alias}}( 4, 1, x, 1 )
+    > {{alias}}( x.length, 1, x, 1 )
     ~4.3333
 
-    // Using `N` and `stride` parameters:
+    // Using `N` and stride parameters:
     > x = [ -2.0, 1.0, 1.0, -5.0, 2.0, -1.0, NaN, NaN ];
     > {{alias}}( 4, 1, x, 2 )
     ~4.3333
@@ -105,7 +105,7 @@
     --------
     // Standard Usage:
     > var x = [ 1.0, -2.0, NaN, 2.0 ];
-    > {{alias}}.ndarray( 4, 1, x, 1, 0 )
+    > {{alias}}.ndarray( x.length, 1, x, 1, 0 )
     ~4.3333
 
     // Using offset parameter: