Functions for analysis of agreement in method comparison studies.


[Up] [Top]

Documentation for package ‘MethComp’ version 1.17

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
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