A beta distribution.
When I make the change that you suggest, the error I get is
The error when converting the test value to that variable type:
Wrong number of dimensions: expected 0, got 1 with shape (7,).
This shows up when constructing ‘obs’, but seems to be coming from the drift term.
Do I need to transpose my data? But it is in an array. And I don’t want a separate Beta for every sample.