Estimation of the expected number of deaths.
Estimation of the expected number of deaths in a screening program using the method proposed by Sasieni (2003).
est.expDeath(contribution, incid, cox, fuzz, covnames)
An object of contributions produced by the function
A matrix containing: the incidences, the value of the covariates and the person-years at risk, in that order. It can be obtained with the function
An oject of class
Numerical precision is problematic when it comes to test equality between objects. The option
An alphanumeric vector containing the names of the covariates used to estimate the survival in the cohort of non-participants, that is, the names of the covariates used to obtain the
Returns the expected number of deaths
A complete example of usage is provided in the help page of the
Denis Talbot, Thierry Duchesne, Jacques Brisson, Nathalie Vandal.
Sasieni P. (2003) On the expected number of cancer deaths during follow-up of an initially cancer-free cohort. Epidemiology, 14, 108-110.
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#This example uses pre-built objects and shows the simple usage #of the est.expDeath function when those objects already exists. #For an example of how to built those object, refer to the #help page of the screening dataset. data(req.objects); cox.data = req.objects$cox.data; #Remove "#" to run example : #est.expDeath(req.objects$contribution,req.objects$incid,req.objects$cox,fuzz = 0.01, #req.objects$covnames); # 33.44264
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