Dear all
I'm using betadisper () to evaluate if geographical and historical
heterogeneity differ statistically between two archipelagos. I have not
problems in obtaining the results for the geographical hypothesis (computing
the Euclidean distance between UTM centroids of each island), but for the
historical hypothesis the following message appears:
Error en vectors[, want, drop = FALSE] %*% diag(sqrt(abs(eig))) :
argumentos no compatibles
I calculate the historical triangular matrix computing the Euclidean distance
between the oldest geological age of each island (all of them are from volcanic
origin). I've also tried calculating just the difference in mya between all
pairwise comparisons of islands, which gives basically the same results (but
with different scaling).
Can anybody help me with this problem?
Thank you in advance
Silvia
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