# Removal of Unwanted Technical Variation from UK Biobank NMR Metabolomics Biomarker Data

## Documentation for package ‘ukbnmr’ version 3.4

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

ukbnmr-package | Tools for processing the UK Biobank NMR metabolomics biomarker data
compute_extended_ratios | Compute extended set of biomarker ratios
compute_extended_ratio_qc_flags | Aggregate QC Flags when computing the extended set of biomarker ratios
compute_lipoprotein_fatty_acids | Compute fatty acids in each of the lipoprotein classes and subclasses
compute_lipoprotein_fatty_acids_flags | Aggregate QC Flags for the fatty acids computed in each lipoprotein class and subclass
extract_biomarkers | Extract NMR metabolomic biomarkers from a data.frame of UK Biobank fields
extract_biomarker_qc_flags | Extract NMR biomarker QC flags from a data.frame of UK Biobank fields
extract_sample_qc_flags | Extract NMR sample QC flags from a data.frame of UK Biobank fields
nmr_info | Nightingale biomarker information
recompute_derived_biomarkers | Recompute composite biomarkers and ratios from the 107 non-derived biomarkers
recompute_derived_biomarker_qc_flags | Aggregate QC Flags when recomputing all composite and derived biomarkers
remove_technical_variation | Remove technical variation from NMR biomarker data in UK Biobank.
sample_qc_info | Nightingale biomarker sample processing information
test_data | Data for testing package functions
ukbnmr | Tools for processing the UK Biobank NMR metabolomics biomarker data