Lambda is known as the willingness to pay. That is the ceiling cost-effectiveness ratio or the maximum acceptable cost of a unit of effectiveness. It must be coherent with the criteria of effectiveness used in the analysis (year of life, QALY, life saved, or a criteria related to morbidity).
: Lambda is a monetary value. For example, the value of lambda is usually between 20 000 and 40 000 pounds/QALY in UK.
create_object_lambda returns an object of class Lambda
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## Create an object lambda object_lambda <- create_object_lambda (20000) ## retrieve the lambda value from the object object_lambda$get_lambda()