[RFC]: add stats/incr/nanvmr

Author: hrshya

lib/node_modules/@stdlib/stats/incr/nanvmr/package.json

@@ -1,5 +1,5 @@
 {
-    "name": "@stdlib/stats/incr/vmr",
+    "name": "@stdlib/stats/incr/nanvmr",
     "version": "0.0.0",
     "description": "Compute a variance-to-mean ratio (VMR) incrementally.",
     "license": "Apache-2.0",

lib/node_modules/@stdlib/stats/incr/nanvmr/test/test.js

@@ -219,7 +219,7 @@ tape( 'if provided a `NaN`, the accumulator function ignores it and continues wi
     var i;
 
     data = [ NaN, 2.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0 ];
-    acc = incrvmr();
+    acc = incrnanvmr();
     for ( i = 0; i < data.length; i++ ) {
         v = acc( data[ i ] );
         if (!isnan( data[i] )) {