HP                      Hodrick-Prescott filter for time series data
bg                      Breusch-Godfrey test [BG test]
bp                      Breusch-Pagan test
check_betas             All possible regression variable coefficients.
checkdata               Preliminary data check for errors
corsel                  Multicollinearity test
dec_plot                Decomposition plot
difflog                 Transforming time-series data to stationary
finratKZ                finratKZ dataset
gq                      Godfrey-Quandt test
macroKZ                 macroKZ dataset
ols_test_normality      Test for normality Test for detecting violation
                        of normality assumption.
opt_size                Necessary size of the time-series dataset
pct1                    Transforming time-series data to stationary
pct4                    Transforming time-series data to stationary
pt_multi                Pluto-Tasche method for multi-year probability
                        of default (PD) analysis
pt_one                  Pluto-Tasche method for one-year probability of
                        default (PD) analysis
reg_plot                Regression forecast plot
reg_test                Test for detecting violation of Gauss-Markov
                        assumptions.
regsel_f                Regressors selection
vif_reg                 VIF by variable
