search for: prab

Hi all: For example I have: class Color < ActiveRecord::Base belongs_to :ball end class Ball < ActiveRecord::Base has_many :colors end What I want to do is to write a method that: 1. takes the result of Ball#colors, which is an array of Color objects 2. do something with the array 3. return the result but I want to name my method Ball#colors, i.e. I want to overload the generated

...I am trying to use package spdep for fitting an SAR model with errorsarlm. However, I am not sure how to make a valid nb object out of my neighborhood. As far as I have seen, there is no documentation for nb.object. I have done the following: class(pschmid$nb) <- "nb" # pschmid is a prab object as generated from function prabinit, package # prabclus, and the neighborhood looks as follows: > unclass(pschmid$nb) [[1]] [1] 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 [[2]] [1] 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 [[3]] [1] 1...

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