On 12/08/2018 22:20, Ian F wrote:
Does digit.curves require data in long on wide format? when i try to use
it i get the error
" Error in digit.curves(2880, Rafalt1, nPoints = 30, closed=TRUE):
Input must be a p-x-k matrix of curve coordinates"
what is a p-x-k matrix. I have searched it on the internet and have come
up with nothing.I have tried both long and wide format and have had the
same result. any help is much appreciated.
I'm not going to go into the details of the specific function call. But
p by x by k is normally called a (3D) array in R. It's like a "stack of
matrices" on a third dimension.
If you do a google search for "3D arrays R" (without quote), you'll find
plenty of stuff to understand how it works, such as
I hope this helps.
Institute of Biology
Ecole Normale Superieure - Paris
MORPHMET may be accessed via its webpage at http://www.morphometrics.org
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