Loading files from UCI instead of openml now for stability

[noahho]

Issue

Notebooks errored because openml download didn't run - this is fixed with this using UCI instead.

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[gemini-code-assist]

Note

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[brendan-priorlabs]

LGTM. Let me know if you have any tips on how to review notebooks. I checked the code out locally, but even then the diff was so big I wasn't really sure what to focus on. The following bit stood out though and seems reasonable, so approving on account of that!

       "source": [
-        "# Parkinson's Disease dataset: Predict Parkinson's disease presence\n",
-        "# Features: Voice measurements (e.g., frequency, amplitude)\n",
-        "# Samples: 195 cases\n",
-        "df = fetch_openml(\"parkinsons\")\n",
+        "# Load Parkinsons dataset described above\n",
         "\n",
-        "X, y = df.data, df.target\n",
+        "import pandas as pd, io, zipfile, requests\n",
         "\n",
-        "# Print dataset description\n",
-        "display(Markdown(df[\"DESCR\"]))\n",
+        "url_zip = \"https://archive.ics.uci.edu/static/public/174/parkinsons.zip\"\n",
+        "with requests.get(url_zip) as r:\n",
+        "    r.raise_for_status()\n",
+        "    zf = zipfile.ZipFile(io.BytesIO(r.content))\n",
+        "    df = pd.read_csv(zf.open(\"parkinsons.data\"))\n",
+        "X, y = df.drop([\"status\", \"name\"], axis=1), df[\"status\"]\n",
         "\n",
         "display(X)"
       ]
     },