This is a public repository for
dynfactoR, a package for
R which facilitates estimation of dynamic factor models.
Current implementation of main
dfm function supports vector auto-regressive type dynamics for factors, missing observations and some statistical identification restrictions. A dynamic factor model estimation will typically return 3 estimates, namely principal component estimator, a two-step estimator as well as quasi-maximum likelihood (QML) estimator. The two latter estimators are based on Kalman filtering and QML estimator is a particular case of EM-algorithm.
dynfactoR is easy to install with the help of
dynfactoR also provides a dataset from National Bank of Belgium which contains monthly Belgian business and consumer survey data over a sufficiently long period. You can call it with:
If you are not familiar with related literature, it could be useful to read a short introduction to dynamic factor models which is packaged as a vignette. Some academic references are also made available.
In the future, the package will be extended to support more general dynamics as well as Markov-switching factor loading or transition matrices. Currently, these features are early experimental.
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