class_docstr: Stores data associated with and proxies calls to a Stan model.
  
  Returned by ``build``. Users will not instantiate this class directly.
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docstr: Draw samples from the model using ``stan::services::sample::fixed_param``.
  
  Parameters in ``kwargs`` will be passed to the (Python wrapper of)
  ``stan::services::sample::fixed_param``. Parameter names are
  identical to those used in CmdStan.  See the CmdStan documentation for
  parameter descriptions and default values.
  
  There is one exception:  `num_chains`. `num_chains` is a
  PyStan-specific keyword argument. It indicates the number of
  independent processes to use when drawing samples.
  
  Returns:
      Fit: instance of Fit allowing access to draws.
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code: def fixed_param(self, *, num_chains=4, **kwargs) -> stan.fit.Fit:
      """Draw samples from the model using ``stan::services::sample::fixed_param``.
  
      Parameters in ``kwargs`` will be passed to the (Python wrapper of)
      ``stan::services::sample::fixed_param``. Parameter names are
      identical to those used in CmdStan.  See the CmdStan documentation for
      parameter descriptions and default values.
  
      There is one exception:  `num_chains`. `num_chains` is a
      PyStan-specific keyword argument. It indicates the number of
      independent processes to use when drawing samples.
  
      Returns:
          Fit: instance of Fit allowing access to draws.
  
      """
      function = "stan::services::sample::fixed_param"
      return self._create_fit(
          function=function, num_chains=num_chains, **kwargs
      )
  
imports: import asyncio
  import dataclasses
  import json
  import re
  import time
  from typing import Dict, List, Optional, Sequence, Tuple, Union, cast
  import httpstan.models
  import httpstan.schemas
  import httpstan.services.arguments
  import httpstan.utils
  import numpy
  import simdjson
  from clikit.io import ConsoleIO
  import stan.common
  import stan.fit
  import stan.plugins
label_desc: Use image node_id 4 for calling the Model obj's underlying member method code with example usage: obj.fixed_param() and returns: self