fix: addressing first round comments

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---

Author: Om-A-osc

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

@@ -130,14 +130,6 @@ console.log( accumulator() );
 
 <section class="related">
 
-* * *
-
-## See Also
-
--   <span class="package-name">[`@stdlib/stats/incr/ewvariance`][@stdlib/stats/incr/ewvariance]</span><span class="delimiter">: </span><span class="description">compute an exponentially weighted variance incrementally.</span>
--   <span class="package-name">[`@stdlib/stats/incr/variance`][@stdlib/stats/incr/variance]</span><span class="delimiter">: </span><span class="description">compute a variance incrementally.</span>
--   <span class="package-name">[`@stdlib/stats/incr/wmean`][@stdlib/stats/incr/wmean]</span><span class="delimiter">: </span><span class="description">compute a weighted arithmetic mean incrementally.</span>
-
 </section>
 
 <!-- /.related -->
@@ -150,12 +142,6 @@ console.log( accumulator() );
 
 <!-- <related-links> -->
 
-[@stdlib/stats/incr/ewvariance]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/stats/incr/ewvariance
-
-[@stdlib/stats/incr/variance]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/stats/incr/variance
-
-[@stdlib/stats/incr/wmean]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/stats/incr/wmean
-
 <!-- </related-links> -->
 
 </section>

lib/node_modules/@stdlib/stats/incr/wvariance/test/fixtures/python/runner.py

@@ -16,40 +16,70 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-
 """Generate fixture data for testing incremental weighted variance."""
 
+import os
 import json
 import numpy as np
 
-# reproducibility
-rng = np.random.default_rng(42)
+# Get the file path:
+FILE = os.path.realpath(__file__)
+
+# Extract the directory in which this file resides:
+DIR = os.path.dirname(FILE)
+
+
+def gen(n, seed, name):
+    """Generate fixture data and write to file.
+
+    # Arguments
+
+    * `n`: number of samples
+    * `seed`: random number generator seed
+    * `name::str`: output filename
+
+    # Examples
+
+    ``` python
+    python> gen(50, 42, './data.json')
+    ```
+    """
+    # Initialize random number generator for reproducibility:
+    rng = np.random.default_rng(seed)
+
+    # Generate data:
+    x = rng.normal(loc=0.0, scale=10.0, size=n)
+    w = rng.uniform(0.1, 5.0, size=n)
+
+    # Store data to be written to file as a list of records:
+    records = []
 
-n = 50  # number of samples
+    for k in range(1, n + 1):
+        x_vals = x[:k]
+        w_vals = w[:k]
 
-# generate data
-x = rng.normal(loc=0.0, scale=10.0, size=n)
-w = rng.uniform(0.1, 5.0, size=n)
+        weighted_mean = np.average(x_vals, weights=w_vals)
+        var = np.average((x_vals - weighted_mean) ** 2, weights=w_vals)
 
-records = []
+        records.append({
+            "step": k,
+            "x": float(x[k - 1]),
+            "w": float(w[k - 1]),
+            "variance": float(var)
+        })
 
-for k in range(1, n + 1):
-    xk = x[:k]
-    wk = w[:k]
+    # Based on the script directory, create an output filepath:
+    filepath = os.path.join(DIR, name)
 
-    mu = np.average(xk, weights=wk)
+    # Write the data to the output filepath as JSON:
+    with open(filepath, "w", encoding="utf-8") as outfile:
+        json.dump(records, outfile, indent=2)
 
-    var = np.average((xk - mu) ** 2, weights=wk)
 
-    records.append({
-        "step": k,
-        "x": float(x[k - 1]),
-        "w": float(w[k - 1]),
-        "variance": float(var)
-    })
+def main():
+    """Generate fixture data."""
+    gen(50, 42, "data.json")
 
-# write to json
-with open("data.json", "w", encoding="utf-8") as f:
-    json.dump(records, f, indent=2)
 
-print("data.json written with", n, "records")
+if __name__ == "__main__":
+    main()