Atmospheric Pressure Peak Area Correction for Gas Chromatography with Standard Detectors

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Documentation for package ‘appac’ version 4.0.3

• DESCRIPTION file
• User guides, package vignettes and other documentation
• Package NEWS
• Package README

Help Pages

appac	Fit the APPAC pressure correction
Appac-class	Fitted APPAC model
check_cols	Validate and canonicalise the input columns
Compensation-class	Drift / daily-factor model
Correction-class	Pressure correction model
debias_ct	De-bias the per-peak centres
get_changepoints	Detect episode level breakpoints across cylinders
get_variance_changepoints	Detect variance breakpoints across cylinders
goodness_of_fit	Goodness of fit of the correction
plot_area_date	Plot peak area versus date
plot_area_pressure	Plot peak area versus air pressure
plot_area_pressure_fit	Plot the kappa-fit input
PLOT_FID	Flame-ionization-detector peak areas for APPAC
plot_residuals	Residual diagnostic panel
print-method	Fitted APPAC model
show-method	Fitted APPAC model
show-method	Drift / daily-factor model
show-method	Pressure correction model
Synth_data	Synthetic stress-test data for APPAC