🚧 ALTO: Calculate more descriptive statistics for String@WC

3 years ago · 8285bdb423
parent aa4e8e290d
commit 8285bdb423
1 changed files with 6 additions and 1 deletions
--- a/qurator/modstool/lib.py
+++ b/qurator/modstool/lib.py
@ -221,7 +221,12 @@ class TagGroup:
        values = np.array([float(v) for v in values])
        statistics = {}
-        statistics[f'{xpath_expr}-mean'] = np.mean(values)
+        if values.size > 0:
            statistics[f'{xpath_expr}-mean'] = np.mean(values)
            statistics[f'{xpath_expr}-median'] = np.median(values)
            statistics[f'{xpath_expr}-std'] = np.std(values)
            statistics[f'{xpath_expr}-min'] = np.min(values)
            statistics[f'{xpath_expr}-max'] = np.max(values)
        return statistics