John Vincent Gatto

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Questions related from John Vincent Gatto

Is anyone familiar with salmon carcass mark-recapture studies?

I have a dataset for a mark-recapture study involving salmon carcasses. This data includes the dates the carcass was marked and the dates that the carcass was recaptured. I am trying to estimate...

14 December 2023 4,358 1 View

How do I compute a state space model in the r package dlm where each time step has a separate, known variance?

I am generating state space models for fish populations in the Florida Everglades. We have a unique sample design that I am trying to incorporate into these models. Each site has 3 plots with 7...

07 October 2022 5,221 0 View

How do you perform a random walk state-space model in PROC MIXED?

I am running a series of state-space density-independent and -dependent population models in PROC MIXED. I have reviewed the literature and found out how to do the gompertz and exponential growth...

09 September 2022 4,162 0 View

Should I use bray-curtis or euclidean distance when examining spatial patterns of species diversity metrics (Shannon, Simpson, etc)?

I am investigating differences in diversity metrics across a large spatial scale. I would like to use a Mantel test to see if these metrics are more similar between upstream versus downstream...

11 May 2022 7,941 5 View