class_docstr: Class for basic Analyze format image
class_docstr_tok: ["Class","for","basic","Analyze","format","image"]
code: def set_data_dtype(self, dtype):
      self._header.set_data_dtype(dtype)
  
imports: from __future__ import annotations
  import numpy
  from .arrayproxy import ArrayProxy
  from .arraywriters import ArrayWriter, WriterError, get_slope_inter, make_array_writer
  from .batteryrunners import Report
  from .fileholders import copy_file_map
  from .spatialimages import HeaderDataError, HeaderTypeError, SpatialHeader, SpatialImage
  from .volumeutils import apply_read_scaling, array_from_file, make_dt_codes, native_code, seek_tell, shape_zoom_affine, swapped_code
  from .wrapstruct import LabeledWrapStruct
label_desc: Use image node_id 3 for calling the AnalyzeImage obj's underlying member method code with example usage: obj.set_data_dtype(dtype) without return types