# Functions for analysis of agreement in method comparison studies.

## Documentation for package ‘MethComp’ version 1.25

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

## Help Pages

AB.plot | Bland-Altman plot of differences versus averages. Deprecated, formerly known as BA.plot, likely to disappear from the package.
abconv | Derive linear conversion coefficients from a set of indeterminate coefficients
AltReg | Estimate in a method comparison model with replicates
Ancona | Data from a rating experiment of recorgnizing point counts.
BA.est | Bias and variance components for a Bland-Altman plot.
BA.plot | Bland-Altman plot of differences versus averages.
bias.BA.est | Bias and variance components for a Bland-Altman plot.
BlandAltman | Bland-Altman plot of differences versus averages. Deprecated, formerly known as BA.plot, likely to disappear from the package.
bothlines | Add regression lines to a plot
cardiac | Measurement of cardiac output by two different methods.
CardOutput | Measurements of Cardiac output.
check.MCmcmc | Functions to graphically assess the convergence of the MCMC-simulation in a MCmcmc object
check.trans | Functions to handle transformations of measuremnt results.
choose.trans | Functions to handle transformations of measuremnt results.
corr.measures | Correlation measures for method comparison studies. Please don't use them!
DA.reg | Make a regression of differences on averages
DA2y | Make a regression of differences on averages
Deming | Regression with errors in both variables (Deming regression)
ends | Correlation measures for method comparison studies. Please don't use them!
Enzyme | Enzyme activity data
fat | Measurements of subcutaneous and visceral fat
glucose | Glucose measurements by different methods
has.repl | Manipulate the replicate numbering within (item,method)
hba.MC | A MCmcmc object from the hba1c data
hba1c | Measurements of HbA1c from Steno Diabetes Center
lines.MethComp | Summarize conversion equations and prediction intervals between methods.
make.repl | Manipulate the replicate numbering within (item,method)
max.Meth | Create a Meth object representing a method comparison study
mcmc.MCmcmc | Fit a model for method comparison studies using WinBUGS
MCmcmc | Fit a model for method comparison studies using WinBUGS
mean.Meth | Create a Meth object representing a method comparison study
median.Meth | Create a Meth object representing a method comparison study
Meth | Create a Meth object representing a method comparison study
Meth.sim | Simulate a dataframe containing replicate measurements on the same items using different methods.
MethComp | Summarize conversion equations and prediction intervals between methods.
middle | Correlation measures for method comparison studies. Please don't use them!
milk | Measurement of fat content of human milk by two different methods.
min.Meth | Create a Meth object representing a method comparison study
ox | Measurement of oxygen saturation in blood
ox.MC | A MCmcmc object from the oximetry data.
pairs.MCmcmc | Functions to graphically assess the convergence of the MCMC-simulation in a MCmcmc object
PBreg | Passing-Bablok regression
PEFR | Peak Expiratory Flow Rate (PEFR) measurements with Wright peak flow and mini Wright peak flow meter.
perm.repl | Manipulate the replicate numbering within (item,method)
plot.MCmcmc | Plot estimated conversion lines and formulae.
plot.Meth | Create a Meth object representing a method comparison study
plot.MethComp | Summarize conversion equations and prediction intervals between methods.
plot.PBreg | Passing-Bablok regression - plot method
plot.VarComp | Plot the a posteriori densities for variance components
plvol | Measurements of plasma volume measured by two different methods.
points.MethComp | Summarize conversion equations and prediction intervals between methods.
post.MCmcmc | Functions to graphically assess the convergence of the MCMC-simulation in a MCmcmc object
predict.PBreg | Passing-Bablok regression - predict method
print.MCmcmc | Fit a model for method comparison studies using WinBUGS
print.MethComp | Summarize conversion equations and prediction intervals between methods.
print.PBreg | Passing-Bablok regression
rainman | Perception of points in a swarm
sample.Meth | Create a Meth object representing a method comparison study
sbp | Systolic blood pressure measured by three different methods.
sbp.MC | A MCmcmc object from the sbp data
scint | Relative renal function by Scintigraphy
sort.Meth | Create a Meth object representing a method comparison study
subset.MCmcmc | Fit a model for method comparison studies using WinBUGS
subset.Meth | Create a Meth object representing a method comparison study
summary.MCmcmc | Fit a model for method comparison studies using WinBUGS
summary.Meth | Create a Meth object representing a method comparison study
TDI | Compute Lin's Total deviation index
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.MCmcmc | Functions to graphically assess the convergence of the MCMC-simulation in a MCmcmc object
transform.Meth | Create a Meth object representing a method comparison study
VC.est | Bias and variance components for a Bland-Altman plot.
VitCap | Merits of two instruments designed to measure certain aspects of human lung function (Vital Capacity)
y2DA | Make a regression of differences on averages