DGS5                    5 Year Treasury Yield
GDP                     US GDP Seasonally Adjusted
NA000334Q               US GDP Not Seasonally Adjusted
SP500                   S&P 500
UNRATE                  Unemployment Rate Seasonally Adjusted
UNRATENSA               Unemployment Rate Not Seasonally Adjusted
stsm_bdiag              Build a block diagonal matrix from two matrices
stsm_build_dates        Build the date sequence as a Date type
stsm_check_exo          Data check for input exo
stsm_check_exo_fc       Data check for input exo.fc
stsm_check_y            Data check for input y
stsm_constraints        Set the inequality constraints for estimation
stsm_coxstuart          Cox-Stuart Test
stsm_dates_to_interpolate
                        Create dates to interpolate
stsm_detect_anomalies   Detect Anomalies
stsm_detect_breaks      Detect Structural Breaks
stsm_detect_cycle       Detect cycle from the data
stsm_detect_frequency   Detect frequency and dates from the data
stsm_detect_multiplicative
                        Detect if log transformation is best
stsm_detect_seasonality
                        Detect seasonality from the data
stsm_detect_trend       Detect trend type
stsm_estimate           Trend cycle seasonal decomposition using the
                        Kalman filter.
stsm_filter             Kalman Filter
stsm_fixed_pars         Fixed parameter setting
stsm_forecast           Kalman Filter and Forecast
stsm_format_exo         Format exo
stsm_init_pars          Get initial parameter estimates for estimation
stsm_na_kalman          Missing Value Imputation by Kalman Smoothing
                        and State Space Models
stsm_prior              Return a naive model prior decomposition
stsm_ssm                State space model
