Hello everyone,

I have a quick question but I am stuck with it and I do not know how to solve it.

Imagine I need the distribution function of a Weibull(1,1) at t=3, then I will write pweibull(3,1,1).

I want to keep the shape and scale parameters in a list (or a vector or whatever). Then I have
parameters<-list(shape=1,scale=1) 
but when I write pweibull(3,parameters) I get the following error:
Error in pweibull(q, shape, scale, lower.tail, log.p) : 
  Non-numeric argument to mathematical function

I have to write pweibull(3,parameters[[1]],parameters[[2]]) but I am very interested in being able to write pweibull(3,parameters).

Does anyone know how to solve it?

Thank you very much,

Oleguer Plana
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