LLN_GLI                 Calculate LLN of spirometry parameters using
                        GLI-2012 equations
LLN_GLIgl               Calculate LLN of spirometry parameters using
                        GLI global (2022) equations
LLN_NHANES3             Calculate predicted values of spirometry
                        parameters using NHANES III equations
pctpred_GLI             Convert spirometric values to % predicted using
                        GLI-2012 equations
pctpred_GLIgl           Convert spirometric values to % predicted using
                        GLI global (2022) equations
pctpred_NHANES3         Convert spirometric values to % predicted using
                        NHANES III equations
pred_GLI                Calculate predicted values of spirometry
                        parameters using GLI-2012 equations
pred_GLIgl              Calculate predicted values of spirometry
                        parameters using GLI global (2022) equations
pred_NHANES3            Calculate predicted values of spirometry
                        parameters using NHANES III equations
raw_GLI                 Convert z-scores back to raw spirometric values
                        using GLI-2012 equations
raw_GLIgl               Convert z-scores back to raw spirometric values
                        using GLI global (2022) equations
rspiro-package          rspiro: Brief overview of the package
zscore_GLI              Convert spirometric values to z-scores using
                        GLI-2012 equations
zscore_GLIgl            Convert spirometric values to z-scores using
                        GLI global (2022) equations
zscore_NHANES3          Convert spirometric values to z-scores using
                        NHANES III equations
