scalets(), scale time series function is adapted from tsfeatures packages
Rob Hyndman, Yanfei Kang, Pablo Montero-Manso, Thiyanga Talagala, Earo Wang,
Yangzhuoran Yang and Mitchell O'Hara-Wild (2020). tsfeatures: Time Series Feature
Extraction. R package version 1.0.2.
https://CRAN.R-project.org/package=tsfeatures
scalets(), scale time series function is adapted from tsfeatures packages Rob Hyndman, Yanfei Kang, Pablo Montero-Manso, Thiyanga Talagala, Earo Wang, Yangzhuoran Yang and Mitchell O'Hara-Wild (2020). tsfeatures: Time Series Feature Extraction. R package version 1.0.2. https://CRAN.R-project.org/package=tsfeatures