Dyrting, Sigurd http://orcid.org/0000-0002-1939-085X
Taylor, Andrew http://orcid.org/0000-0002-3677-3270
Article History
Received: 17 September 2020
Accepted: 23 January 2021
First Online: 12 February 2021
Compliance with ethical standards
:
: The authors have no relevant financial or non-financial interests to disclose.
: An implementation of the P-spline smoothing method as an Excel add-in is available from the corresponding author on request.