class_docstr: Base class for regression evaluation methods.
  
  Args:
      config: a :class:`RegressionEvaluationConfig`
class_docstr_tok: ["Base","class","for","regression","evaluation","methods",".","Args",":","config",":","a",":","class",":","`","RegressionEvaluationConfig","`"]
docstr: Evaluates the regression predictions in the given samples with
  respect to the specified ground truth values.
  
  Args:
      samples: a :class:`fiftyone.core.collections.SampleCollection`
      eval_key (None): an evaluation key for this evaluation
      missing (None): a missing value. Any None-valued regressions are
          given this value for results purposes
  
  Returns:
      a :class:`RegressionResults` instance
docstr_tok: ["Evaluates","the","regression","predictions","in","the","given","samples","with","respect","to","the","specified","ground","truth","values",".","Args",":","samples",":","a",":","class",":","`","fiftyone.core.collections.SampleCollection","`","eval_key","(","None",")",":","an","evaluation","key","for","this","evaluation","missing","(","None",")",":","a","missing","value",".","Any","None-valued","regressions","are","given","this","value","for","results","purposes","Returns",":","a",":","class",":","`","RegressionResults","`","instance"]
code: def evaluate_samples(self, samples, eval_key=None, missing=None):
      """Evaluates the regression predictions in the given samples with
      respect to the specified ground truth values.
  
      Args:
          samples: a :class:`fiftyone.core.collections.SampleCollection`
          eval_key (None): an evaluation key for this evaluation
          missing (None): a missing value. Any None-valued regressions are
              given this value for results purposes
  
      Returns:
          a :class:`RegressionResults` instance
      """
      pass
  
imports: from copy import deepcopy
  import inspect
  import itertools
  import logging
  import numbers
  import numpy
  import sklearn.metrics
  from tabulate import tabulate
  import eta.core.utils
  import fiftyone
  import fiftyone.core.evaluation
  import fiftyone.core.fields
  import fiftyone.core.labels
  import fiftyone.core.plots
  import fiftyone.core.utils
  import fiftyone.core.validation
label_desc: Use image node_id 2 for calling the RegressionEvaluation obj's underlying member method code with example usage: obj.evaluate_samples(samples, eval_key, missing) without return types