Matrix of I+2 rows and T+1 columns with observed
bird counts. I is the numbers of sites, to which one adds the virtual
sites 'death' and 'flight' and T is the horizon of the migration
structure.
hidden_count
Matrix of I+2 rows and T+1 columns with
simulated bird counts. As computed by function get_count
use_log
Boolean that states if the log probability should
be returned.
Value
the probability (or log-probability) of the observed data given
simulated counts.