Golyandina, Nina, Anton Korobeynikov, Alex Shlemov, and Konstantin Usevich. “Multivariate and 2D Extensions of Singular Spectrum Analysis With the Rssa Package”. Journal of Statistical Software 67, no. 2 (October 7, 2015): 1–78. Accessed November 24, 2024. https://www.jstatsoft.org/index.php/jss/article/view/v067i02.