Look at ?cumsum
andydol...@gmail.com
2009/4/28 Rachel Taylor <rachel...@hotmail.com>
>
> Hi,
>
> I am trying to create a function for a goodness-of-fit test for the Pareto
> Distribution for some loss data that I have.
> So far I have the following:
>
> function(X=OTOL)
> {
> n <- length(X)-1 #calculated the number of values (extra as 0 included)
> i <- 2:640 #values of i
> j <- 1:639 #values of i-1
> Y <- (n-j+1)*((X[i])-(X[j])) #First part of GoF model
> Y
> }
>
> Where OTOL is the ordered loss data (decreasing), and Y is a vector of
> length 639
>
> What I need to do next is create another vector TY (of the same length)
> that is the the sum of part of the Y vector.
> So TY[1]=Y[1]
> TY[2]=Y[1]+Y[2]
> TY[3]=Y[1]+Y[2]+Y[3]
> and so on.
>
> I have tried to do a sum(Y[j]) but it just comes out with a single value.
>
> Any help is greatly appreciated, thank you.
>
> Rachel
>
> ______________________________________________
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>
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