adipo_is                Adipose insulin sensitivity indices (QUICKI,
                        VAI, LAP, TyG, TG/HDL, Belfiore)
adiposity_sds           Calculate standardized scores (SDS) for
                        adiposity measures
adiposity_sds_strat     Compute sex-stratified standardized scores
                        (SDS) for adiposity measures
all_health_markers      Compute all available HealthMarkers categories
all_insulin_indices     Compute insulin sensitivity/resistance panels
                        (fasting, OGTT, adipose, tracer/DXA)
allostatic_load         Allostatic Load Index
alm_bmi_index           Appendicular Lean Mass to BMI Index
asrs_score              Adult ADHD Self-Report Scale scoring
atherogenic_indices     Compute atherogenic indices
bis_score               Barratt Impulsiveness Scale (key-driven)
bode_index              BODE Index (BMI, Obstruction, Dyspnea, Exercise
                        capacity)
bone_markers            Compute Bone Health & Body-Composition Markers
                        (HM-CS v3)
calc_sds                Calculate Standard Deviation Scores (SDS;
                        z-scores) for health markers
charlson_index          Charlson Comorbidity Index (CCI)
ckd_stage               CKD staging (GFR and albuminuria) and KDIGO
                        risk
cognitive_score         Cognitive composite (z-mean or PCA1)
corrected_calcium       Albumin-Corrected Calcium
cvd_marker_aip          Atherogenic Index of Plasma (AIP)
cvd_marker_ldl_particle_number
                        LDL Particle Number Estimate (via ApoB)
cvd_risk                Compute cardiovascular risk or marker by
                        selected model
cvd_risk_ascvd          ASCVD risk (ACC/AHA Pooled Cohort Equations)
cvd_risk_qrisk3         QRISK3 10-year risk (UK QRISK3-2017)
cvd_risk_scorescvd      RiskScorescvd calculator
cvd_risk_stroke         Stroke 10-year risk
fasting_is              Calculate fasting-based insulin sensitivity
                        indices
frailty_index           Compute Frailty (Deficit) Index using di::di
                        with QA and verbose summaries
frax_score              FRAX 10-Year Fracture Risk Score (simplified
                        placeholder)
gad7_score              GAD-7 scoring
ghq12_score             GHQ-12 scoring (Likert or binary)
glycemic_markers        Calculate glycemic-, C-peptide-, and additional
                        metabolic markers
health_summary          Summarize selected numeric marker columns
hm_col_report           Diagnose and report column name mapping for
                        your data
hm_normalize            Normalise marker columns in a data frame
hormone_markers         Compute a suite of hormone ratio markers with
                        QA and verbose summaries
iAge                    Compute a simplified Inflammatory Age Index
                        (iAge) with QA and verbose summaries
impute_mice             Impute missing values via Multiple Imputation
                        (mice)
impute_missforest       Impute missing values via random forest
                        (missForest)
impute_missing          Impute missing values in a data.frame or tibble
                        (simple, column-wise)
inflammatory_markers    Compute inflammatory indices (classic,
                        eosinophil, or both)
isi_score               Insomnia Severity Index (ISI) scoring
k10_score               K10 scoring
k6_score                K6 scoring
kidney_failure_risk     Kidney Failure Risk Equation (KFRE, 2- and
                        5-year risk)
kyn_trp_ratio           Kynurenine/Tryptophan Ratio (KTR)
lipid_markers           Calculate lipid-panel markers, Visceral
                        Adiposity Index (VAI), Lipid Accumulation
                        Product (LAP), and TyG-BMI index
liver_fat_markers       Liver fat surrogates: HSI and NAFLD Liver Fat
                        Score
liver_markers           Compute liver-related indices (FLI, NFS, APRI,
                        FIB-4, BARD, ALBI, MELD-XI) with validation and
                        diagnostics
marker_summary          Summarize marker outputs
mdq_score               Mood Disorder Questionnaire scoring
metabolic_markers       Aggregate selected metabolic marker groups
metabolic_risk_features
                        Calculate metabolic risk feature flags
                        (pediatric-friendly thresholds)
metss                   Metabolic Syndrome Severity Score (MetSSS)
nfl_marker              Neurofilament Light Chain (NfL) Biomarker
normalize_vec           Normalize a numeric vector
nutrient_markers        Compute a Suite of Nutrient-Based Health
                        Markers
obesity_indices         Compute anthropometric obesity & adiposity
                        indices
ogtt_is                 Calculate OGTT-based insulin sensitivity
                        indices
oxidative_markers       Oxidative stress markers
phq9_score              PHQ-9 / PHQ-8 scoring
plot_frailty_age        Plot FI vs age (convenience wrapper)
psych_dx_flags          Psychiatric diagnosis flags aggregator
psych_markers           Psychometric markers dispatcher
psych_med_flags         Psychiatric medication flags aggregator
pulmo_markers           Calculate pulmonary function markers (FEV1/FVC,
                        z-scores, percent predicted, LLN, etc.)
renal_markers           Calculate a Suite of Renal Function, Injury,
                        and Excretion Markers
saliva_markers          Calculate saliva-based stress & glycemic
                        markers
sarc_f_score            SARC-F Sarcopenia Screening Score
spirometry_markers      Spirometry markers: FEV1/FVC, LLN-based
                        obstruction, GOLD grade, bronchodilator
                        response
spq_score               Schizotypal Personality Questionnaire
                        (key-driven)
sweat_markers           Calculate sweat-based ionic & metabolic markers
tracer_dxa_is           Compute tracer/DXA-based insulin sensitivity
                        indices
urine_markers           Calculate urine-only renal and tubular markers
                        (research-ready)
validate_inputs         Validate required inputs for a calling function
vitamin_d_status        Vitamin D Status Category
vitamin_markers         Compute composite vitamin and endocrine marker
                        ratios and z-scores
who5_score              WHO-5 scoring
