Implement Pearson correlation

2026-07-13 21:42:16 +02:00
parent d0e70dad2a
commit 0f25c0671b
2 changed files with 142 additions and 0 deletions
@@ -25,3 +25,14 @@ def load_data(file_path: Path) -> pd.DataFrame:
    df = pd.read_parquet(file_path)
    df['Identifier'] = df.apply(extract_id, axis=1)
    return df
+
+def to_int(x):
+    """Convert a hex string or integer to int, returning NaN on failure."""
+    if isinstance(x, (int, np.integer)):
+        return int(x)
+    if isinstance(x, str):
+        try:
+            return int(x, 16)
+        except ValueError:
+            return np.nan
+    return np.nan