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    Stan Math Library
    5.1.0
    
   Automatic Differentiation 
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Wrapper function around the laplace_marginal function for a negative binomial likelihood.
Uses the 2nd parameterization. Returns the marginal density p(y|phi) by marginalizing out the latent gaussian variable, with a Laplace approximation. See the laplace_marginal function for more details.
| Eta | The type of parameter arguments for the likelihood function. | 
| ThetaVec | A type inheriting from Eigen::EigenBase with dynamic sized rows and 1 column.  | 
| Mean | type of the mean of the latent normal distribution | 
| CovarFun | A functor with an operator()(CovarArgsElements..., {TrainTupleElements...| PredTupleElements...}) method. The operator() method should accept as arguments the inner elements of CovarArgs. The return type of the operator() method should be a type inheriting from Eigen::EigenBase with dynamic sized rows and columns.  | 
| CovarArgs | A tuple of types to passed as the first arguments of CovarFun::operator()  | 
| [in] | y | observed counts. | 
| [in] | y_index | group to which each observation belongs. Each group is parameterized by one element of theta. | 
| [in] | eta | non-marginalized model parameters for the likelihood. | 
| [in] | mean | the mean of the latent normal variable | 
| [in] | covariance_function | a function which returns the prior covariance. | 
| [in] | covar_args | arguments for the covariance function. | 
| [in] | theta_0 | the initial guess for the Laplace approximation. | 
| [in] | tolerance | controls the convergence criterion when finding the mode in the Laplace approximation. | 
| [in] | max_num_steps | maximum number of steps before the Newton solver breaks and returns an error. | 
| [in] | hessian_block_size | Block size of Hessian of log likelihood w.r.t latent Gaussian variable theta. | 
| [in] | solver | Type of Newton solver. Each corresponds to a distinct choice of B matrix (i.e. application SWM formula): 1. computes square-root of negative Hessian. 2. computes square-root of covariance matrix. 3. computes no square-root and uses LU decomposition. | 
| [in] | max_steps_line_search | Number of steps after which the algorithm gives up on doing a line search. If 0, no linesearch. | 
| [in,out] | msgs | stream for messages from likelihood and covariance | 
Definition at line 77 of file laplace_marginal_neg_binomial_2_log_lpmf.hpp.