An S4 class generic function that displays certain object.
# S4 method for rateReg
show(object)# S4 method for summaryRateReg
show(object)
# S4 method for sampleMcf
show(object)
# S4 method for rateRegMcf
show(object)
An object used to dispatch a method.
For rateReg-class object,
      it prints out brief summary of the fitted model.
For summaryRateReg-class object,
      it prints out summary of the fitted model.
For sampleMcf-class object,
      it prints out the function call, formula and
      the sample MCF data frame.
For rateRegMcf-class object,
      it prints formula, new data, confidence level,
      and the estimated MCF data frame.
rateReg for model fitting;
summary,rateReg-method for summary of a fitted model;
mcf for estimation of MCF.