“…Switching state-space models Switching SSMs have an extensive track record of applications in fields as diverse as control engineering (Chang and Athans, 1978;Melnyk et al, 2016), econometrics (Hamilton, 1990;Kim, 1994;Camacho et al, 2018;Carstensen et al, 2020), speech recognition (Deng, 2004;Rosti and Gales, 2004), computer vision (Bregler, 1997) and neuroimaging (Prado, 2013;Samdin et al, 2017;Taghia et al, 2017;Ombao et al, 2018). These models, also called 1 arXiv:2106.05092v1 [stat.ME] 9 Jun 2021 switching dynamic factor models, include switching regression (Goldfeld and Quandt, 1973;Cosslett and Lee, 1985) and switching vector autoregressive models (Krolzig, 1997;Yang, 2000;Lanne et al, 2010;Ting et al, 2018) as special cases.…”