On Sun, 5 May 2002, graham lawrence wrote:
%This is my first attempt at writing a function. Would someone kindly
%explain its result, or non-result. Thanking you in advance.
%
the function uses a Call by value, ie n within your function is not
n outside your function
%restore<-function(){n<-Nx}
%>restore
%function(){n<-Nx}
%>n
%[1] 408
%>Nx
%[1] 10
%>restore()
%>n
%[1] 408
%
%and, by way of variation
%
%>restora<-function(n){n<-Nx}
%>n
%[1] 408
%>restora
%function(n){n<-Nx}
%>restora()
%>n
%[1] 408
%>restora(n)
%>n
%[1] 408
%
%graham lawrence
%
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Jens Nieschulze
Institute for Forest Biometrics &
Applied Computer Science
Buesgenweg 4
37077 Goettingen
GERMANY
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