Hi (again), let's say I want to create a class Matrix that extends the class
matrix, but I can't get it to work. I define the class as
> setClass("Matrix", "matrix")
> getClass("Matrix")
No Slots, prototype of class "matrix"
Extends:
Class "matrix" directly.
Class "structure" by class "matrix".
Class "vector" by class "matrix".
Class "array" by class "matrix".
Creating a default Matrix object works fine:
> m1 <- new("Matrix")
But, when I try to set its value I get the following error:
> m3 <- new("Matrix", 1)
Error in asMethod(object, Class, value) : unused argument(s) ( ...)
or
> m2 <- new("Matrix", matrix(1))
Error in asMethod(object, Class, value) : unused argument(s) ( ...)
I also tried to declare a class MyInteger that extends the class integer,
but the same errors:
> setClass("MyInteger", representation("integer"))
> i1 <- new("MyInteger")
> i2 <- new("MyInteger", 3)
Error in asMethod(object, Class, value) : unused argument(s) ( ...)
> i3 <- new("MyInteger", as.integer(3))
Error in asMethod(object, Class, value) : unused argument(s) ( ...)
A bug or me?
Henrik Bengtsson
Dept. of Mathematical Statistics @ Centre for Mathematical Sciences
Lund Institute of Technology/Lund University, Sweden (+2h UTC)
Office: P316, +46 46 222 9611 (phone), +46 46 222 4623 (fax)
h b @ m a t h s . l t h . s e
http://www.maths.lth.se/matstat/staff/hb/
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