4353 20191217154926.0 POSTER-2019-0117 Mathieu, Sophie Modelling of Sunspot counts time series 2019 2019-09-16 STCE von Sachs, Rainer Ritter, Christian Delouille, Veronique Lefèvre, Laure Machine Learning in Heliophysics, Amsterdam, NL veronique.delouille@observatoire.be CPOSTER