Add likelihood ratio test and other methods, fixes

The likelihood ratio test method is lrtest, in addition,
methods for update and residuals were added.

1 files changed, 5 insertions, 4 deletions

diff --git a/man/logLik.mkinfit.Rd b/man/logLik.mkinfit.Rd
index bb2c2957..502fb4d7 100644
--- a/man/logLik.mkinfit.Rd
+++ b/man/logLik.mkinfit.Rd
@@ -17,10 +17,11 @@ An object of class \code{\link{logLik}} with the number of estimated
   as attribute.
 }
 \description{
-This function simply calculates the product of the likelihood densities
-calculated using \code{\link{dnorm}}, i.e. assuming normal distribution,
-with of the mean predicted by the degradation model, and the standard
-deviation predicted by the error model.
+This function returns the product of the likelihood densities of each
+observed value, as calculated as part of the fitting procedure using
+\code{\link{dnorm}}, i.e. assuming normal distribution, and with the means
+predicted by the degradation model, and the standard deviations predicted by
+the error model.
 }
 \details{
 The total number of estimated parameters returned with the value of the