CovTools
covTestR
stats::cancor
CCA::cc
CCP
MASS::mca
FactoMineR::MCA
rpart
tree
data.tree
RWeka
stats::hclust
factoextra
tsdl
h02
ts
zoo
xts
tsibble
TSstudio
https://robjhyndman.com/talks/hts.pdf https://robjhyndman.com/talks/USA-Oct-2015.pdf