Merge pull request #949 from LucaCerina/bugfix-function_ecg_findpeaks…

…_rodrigues [Fix] Fixed rodrigues2021 ECG peaks detector (make it work with < 50Hz sampling rate)
neuropsychology · Jan 17, 2024 · b25b8bb · b25b8bb
2 parents 2a1c621 + 576fa90
commit b25b8bb
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/neurokit2/ecg/ecg_findpeaks.py b/neurokit2/ecg/ecg_findpeaks.py
@@ -1075,7 +1075,7 @@ def _ecg_findpeaks_rodrigues(signal, sampling_rate=1000, **kwargs):
 
     """
 
-    N = int(np.round(3 * sampling_rate / 128))
+    N = int(np.clip(np.round(3 * sampling_rate / 128), 2, None))
     Nd = N - 1
     Pth = (0.7 * sampling_rate) / 128 + 2.7
     # Pth = 3, optimal for fs = 250 Hz