I'm helping out a colleague with a secr analysis and cannot determine the cause of the following error reported for calculating fitted real parameters when printing a secr.fit object for a model with structural parameters modeled as functions of covariates. In our case, the only parameter modeled with covariates is density. Can you tell me possible sources of the error?
Thanks!
Jared
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Fitted (real) parameters evaluated at base levels of covariates
Error in object$details$scalesigma & scaled :
operations are possible only for numeric, logical or complex types