check_nbd               Check the validity of the neighbourhood
                        specification
covid_data              U.S. COVID-19 Data
covid_nbd_info          U.S. COVID-19 Data Neighbourhood Information
est_hdchange            Construct an S3 class 'no_nbd' or 'nbd' for
                        change-point estimation
genZ                    Generate a random Gaussian vector
get_GS_MAinf            Obtain the simulated standardised gap vector
get_GS_MAinf.nbd        Obtain the simulated standardised gap vector
get_GS_MAinf.no_nbd     Obtain the simulated standardised gap vector
get_V_l2_MAinf          Obtain the standardised gap vector
get_V_l2_MAinf.nbd      Obtain the standardised gap vector
get_V_l2_MAinf.no_nbd   Obtain the standardised gap vector
get_breaks              Obtain the time-stamps and spatial locations
                        with breaks
get_breaks.nbd          Obtain the time-stamps and spatial locations
                        with breaks
get_breaks.no_nbd       Obtain the time-stamps and spatial locations
                        without break
get_cov_x_MAinf         The covariance matrix for generating random
                        Gaussian vector
get_critical            Obtain critical values and threshold
get_critical.nbd        Obtain critical values and threshold
get_critical.no_nbd     Obtain critical values and threshold
get_lr_var              Compute the long-run variance of the gap vector
get_teststats           Obtain the test statistics
get_teststats.nbd       Obtain the test statistics
get_teststats.no_nbd    Obtain the test statistics
hdchange                Estimate the time-stamps and spatial locations
                        with breaks
plot_result             Plot the time series and change-points
plot_result.result_nbd
                        Plot the time series and change-points
plot_result.result_no_nbd
                        Plot the time series and change-points
sim_hdchange_nbd        Simulate data with neighbourhood
sim_hdchange_no_nbd     Simulate data without neighbourhood
summary.result_nbd      Summarize the estimation results
summary.result_no_nbd   Summarize the estimation results
test_existence          Test the existence of change-points in the data
ts_hdchange             'no_nbd' or 'nbd' object construction
