Analysis of method comparison studies


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Documentation for package ‘MethComp’ version 0.3.0

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abconv Derive linear conversion coefficients from a set of indeterminate coefficients
ass.measures Association measures for method comparison studies. Please don't use them!
BA.est Bias and variance components for a Bland-Altman plot.
BA.plot Bland-Altman plot for dataframes
BlandAltman Bland-Altman plot of differences versus averages.
bothlines Add regression lines to a plot
cardiac Measurement of cardiac output by two different methods.
Deming Regression with errors in both variables (Deming regression)
ends Association measures for method comparison studies. Please don't use them!
fat Measurements of subcutaneous and visceral fat
glucose Glucose measurements by different methods
hba.MC A MethComp object from the hba1c data
hba1c Measurements of HbA1c from Steno Diabetes Center
make.repl Generate a numbering of replicates within (item,method)
MethComp Fit a model for method comparison studies using WinBUGS
middle Association measures for method comparison studies. Please don't use them!
milk Measurement of fat content of human milk by two different methods.
ox Measurement of oxygen saturation in blood
ox.MC A MethComp object from the oximetry data.
pairs.MethComp Functions to graphically assess the convergence of the MCMC-simulation in a MethComp object
perm.repl Randomly permute replicates within methods
plot.meth Make pairwise scatter plots and Bland-Altman plot of several methods.
plot.MethComp Plot estimated conversion lines and formulae.
plot.VarComp Plot the a posteriori densities for variance components
plvol Measurements of plasma volume measured by two different methods.
post.MethComp Functions to graphically assess the convergence of the MCMC-simulation in a MethComp object
print.MethComp Fit a model for method comparison studies using WinBUGS
sbp Systolic blood pressure measured by three different methods.
scint Relative renal function by Scintigraphy
sim.meth Simulate a dataframe containing replicate measurements on the same items using different methods.
summary.MethComp Fit a model for method comparison studies using WinBUGS
tab.repl Table of replicates by each method
to.long Functions to convert between long and wide representations of data.
to.wide Functions to convert between long and wide representations of data.
trace.MethComp Functions to graphically assess the convergence of the MCMC-simulation in a MethComp object