code: def save_data(data, filename, *, group="posterior", coords=None, dims=None):
      
      warnings.warn(
          "The 'save_data' function is deprecated as of 0.3.2, use 'to_netcdf' instead",
          DeprecationWarning,
      )
      return to_netcdf(data=data, filename=filename, group=group, coords=coords, dims=dims)
docs: Save dataset as a netcdf file.
  
      WARNING: Only idempotent in case `data` is InferenceData
  
      Parameters
      ----------
      data : InferenceData, or any object accepted by `convert_to_inference_data`
          Object to be saved
      filename : str
          name or path of the file to load trace
      group : str (optional)
          In case `data` is not InferenceData, this is the group it will be saved to
      coords : dict (optional)
          See `convert_to_inference_data`
      dims : dict (optional)
          See `convert_to_inference_data`
  
      Returns
      -------
      str
          filename saved to
  
      Note
      ----
      This function is deprecated and will be removed in 0.4.
      Use `to_netcdf` instead.