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