GOF_correlation_tests   Calculates Kendall's Tau, Spearman's Rho,
                        Pearson Correlation
GOF_kling_gupta_efficiency
                        Calculate Kling-Gupta Efficiency (KGE)
GOF_mean_absolute_error
                        Calculates mean absolute error (MAE).
GOF_mean_error          Calculates mean error.
GOF_nash_sutcliffe_efficiency
                        Calculate Nash-Sutcliffe Efficiency (NSE)
GOF_percent_bias        Calculates percent bias.
GOF_rmse                Calculate root-mean-square error with options
                        to normalize
GOF_summary             Calculate Goodness-of-fit metrics and output
                        into table
GOF_volumetric_efficiency
                        Calculate Volumetric Efficiency
HyMETT-package          Hydrologic Model Evaluation and Time-series
                        Tools
POR_apply_annual_hiflow_stats
                        Calculate the 50th and 90th percentiles of a
                        streamflow time series
POR_apply_annual_lowflow_stats
                        Calculate 10-year and 2-year return periods of
                        a streamflow time series
POR_calc_AR1            calculates lag-one autocorrelation (AR1)
                        coefficient for a time series
POR_calc_amp_and_phase
                        Calculate the seasonal amplitude and phase of a
                        daily time series
POR_calc_lp3_quantile   Calculate quantile from fitted log-Pearson type
                        III distribution
POR_deseasonalize       Removes seasonal trends from a daily or monthly
                        time series.
POR_distribution_metrics
                        Calculates various metrics that describe the
                        distribution of a time series of streamflow
benchmark_KGE_DOY       Calculate benchmark Kling-Gupta efficiency
                        (KGE) values from day-of-year (DOY)
                        observations
calc_annual_flow_stats
                        Calculate annual flow statistics from daily
                        data
calc_annual_stat_trend
                        Calculate trend in annual statistics
calc_logistic_regression
                        Calculate logistic regression in annual
                        statistics with zero values
calc_qlpearsonIII       Quantile of Pearson Type III distribution for
                        log-transformed data
calc_qpearsonIII        Quantile of Pearson Type III distribution
censor_values           Censor values above or below a threshold
example_annual          Example Annual Observations
example_mod             Example Model Output
example_mod_zf          Example Model Output with zero flows
example_obs             Example Observations
example_obs_zf          Example Observations with zero flows
example_preproc         Example Observations prepocessed
preproc_audit_data      Audit daily data for total days in year
preproc_fill_daily      Fills daily data with missing dates as 'NA'
                        values
preproc_main            A wrapper function for
                        preproc_precondition_data, preproc_audit_data,
                        and calc_annual_flow_stats
preproc_precondition_data
                        Pre-conditions data with time information and
                        n-day moving averages
preproc_validate_daily
                        Validates that daily data do not contain gaps
