class_docstr: A base class for metrics.
docstr: Return the key for use in metric result dictionaries.
docstr_tok: ["Return","the","key","for","use","in","metric","result","dictionaries","."]
code: def key(self) -> str:
      """Return the key for use in metric result dictionaries."""
      return camel_to_snake(self.__class__.__name__)
  
imports: from dataclasses import dataclass
  from typing import ClassVar, Collection, Optional
  import numpy
  from docdata import get_docdata
  from scipy import stats
  from ..utils import ExtraReprMixin, camel_to_snake
label_desc: Use image node_id 3 for calling the Metric obj's underlying member method code with example usage: obj.key() and returns: camel_to_snake