expectation_maximization
                        Expectation-Maximization
iterative_grid_search   Iterative Grid Search
kalman_filtering        Kalman Filtering
kalman_smoothing        Kalman Smoothing
loglik                  Log-likelihood
plot.statespace         Plot a statespace object
predict.statespace      Predict using a statespace object
select_Kalman_variances
                        Select time-invariant variances of a
                        State-Space Model
statespace              Design a State-Space Model
viking                  Viking: Variational bayesIan variance tracKING
