[R] Example in " Applied Spatial Analysis with R" giving error

Ben Bolker bbolker at gmail.com
Sun Jan 2 03:25:16 CET 2011


markdx <mrkdennehy <at> gmail.com> writes:

> 
> 
> Example from page 29, Chapter 2.3 from "Applied Spatial Analysis with R"
> 
> I am new to R...just trying to replicate the example from the book.
> 
> > m <- matrix(c(0,0,1,1), ncol = 2, dimnames = list(NULL, + c ("min",
> > "max")))
> Error in +c("min", "max") : invalid argument to unary operator


  Omit the "+", which is a 'continuation character' indicating
that the command in the book was carried over onto a new line.
In general line breaks at 'sensible' places are fine:

m <- matrix(c(0,0,1,1), ncol = 2, dimnames = list(NULL,
   c ("min", "max")))



More information about the R-help mailing list