corrExp                 Exponential correlation matrix
corrUnif                Uniform correlation matrix
dataOrder               Order a data frame by subject and ordered time
                        variable
expectSampsize          Expected sample size for a gsearly model
fixedSampsize           Fixed model sample size for a gsearly model
gsearly-package         Group sequential designs with early outcomes
gsearlyFit              Fit a generalized least squares model
gsearlyModel            Model based estimates of sample size and power
                        for group sequential designs with early
                        outcomes
gsearlySimulate         Simulates data for a previously fitted gsearly
                        model
gsearlyUser             User input estimates of sample size and power
                        for group sequential designs with early
                        outcomes
modelParameters         Estimates model parameters from raw data
plot.gsearly            Plot a gsearly model
plotBoundary            A boundary plot for a gsearly model
plotInform              An information plot for a gsearly model
plotPower               A power plot for a gsearly model
plotRecruit             A recruitment plot for a gsearly model
print.gsearly           Print a gsearly model
print.summary.gsearly   Print a gsearly model summary
qol                     Quality of life index for patients with knee
                        pain
roundInterims           Round a gsearly design interim sample size to
                        integer values
simdataExtract          Extract simulated data for a single trial
summary.gsearly         Summarise a gsearly model
tfuStandard             Standardize follow-up times
