Silenced expected warning from the outliers operation
@@ -109,6 +109,7 @@ class rolling_outlier_std(ElementOperation):
std = pd.Series(residual).rolling(window, center=True).std()
# Get indices of outliers
+ with np.errstate(invalid='ignore'):
outliers = (np.abs(residual) > std * sigma).values
return element[outliers].clone(new_type=Scatter)
