PRPPattern Recognition in PhysicsPRPPattern Recogn. Phys.2195-9250Copernicus GmbHGöttingen, Germany10.5194/prp-1-91-2013Comment on "Discussions on common errors in analyzing sea level accelerations, solar trends and global warming" by Scafetta (2013).BenestadR. E.1Norwegian Meteorological Institute, Oslo, Norway01082013119192This work is licensed under a Creative Commons Attribution 3.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/3.0/This article is available from http://www.pattern-recogn-phys.net/1/91/2013/prp-1-91-2013.htmlThe full text article is available as a PDF file from http://www.pattern-recogn-phys.net/1/91/2013/prp-1-91-2013.pdf