CovTools
covTestR
stats::cancor
CCA::cc
CCP
MASS::mca
FactoMineR::MCA
rpart
tree
data.tree
RWeka
factoextra
tsdl
ucimlrepo
fpp2
fpp3
ts
zoo
xts
tsibble
TSstudio
RTransferEntropy
Partial Common Principal Component Subspaces
https://www.jstor.org/stable/2673593
https://rdrr.io/github/tpepler/cpc/man/cpcq.test.html