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I keep getting an error in CCA that says "At least one active row or one active column of the input table has a null marginal sum. The computations need to be stopped. Please modify the data selection so that all active rows and columns have a strictly positive marginal sum."I do not understand what this means or why I am getting it. any help appreciated
This error occurs when you have at least one row or one column in your sites / species table containing only zeroes. Those sites or species should be removed prior to launching the CCA.
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