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Hallo Michael, check ?matrix and compare to as.matrix. as.matrix does not provide a ncol argument. To get a 2 by 2 matrix use matrix(a, ncol=2) Regards Adrian Am 15.04.2011 11:42, schrieb Michael Bach...
Hi Dave, your problem is that you are working with a S3 class, what is mainly a list with naming convention. Hence it is possible to change just one entry of the list, but it is nearly never recommendable. So...
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