KHQ 0.2.0

Adding a new Comulative Frequency Analysis function (KHQ5DFreq) for the health profiles.

Adding 'mean.na' option to KHQScore function to handle missing data.

Adding the option to show the vector with the weights of each KHQ5D score in the KHQ5D function.

KHQ 0.1.0

• Methods to calculate scores for each dimension of the KHQ; converts KHQ item scores to KHQ5D scores; and also calculates the utility index of the KHQ5D (first CRAN release).

• KHQ5D value set for UK.