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: Reads constrained parameter values from their specified context and returns a
     sequence of unconstrained parameter values.
  
  Arguments:
      constrained_parameters: Constrained parameter values and their specified context
  
  Returns:
      A sequence of unconstrained parameters.
  
  Note:
      The unconstrained parameters are passed to the `transform_inits` method of the
      `model_base` instance. See `model_base.hpp` in the Stan C++ library for details.
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code: def unconstrain_pars(
      self, constrained_parameters: Sequence[float]
  ) -> Sequence[float]:
      """Reads constrained parameter values from their specified context and returns a
         sequence of unconstrained parameter values.
  
      Arguments:
          constrained_parameters: Constrained parameter values and their specified context
  
      Returns:
          A sequence of unconstrained parameters.
  
      Note:
          The unconstrained parameters are passed to the `transform_inits` method of the
          `model_base` instance. See `model_base.hpp` in the Stan C++ library for details.
      """
      payload = {
          "data": self.data,
          "constrained_parameters": constrained_parameters,
      }
  
      async def go():
          async with stan.common.HttpstanClient() as client:
              resp = await client.post(
                  f"/{self.model_name}/transform_inits", json=payload
              )
              if resp.status != 200:
                  raise RuntimeError(resp.json())
              return resp.json()["params_r_unconstrained"]
  
      return asyncio.run(go())
  
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 7 for calling the Model obj's underlying member method code with example usage: obj.unconstrain_pars(constrained_parameters) and returns: asyncio, resp