class_docstr: This class allows the user to filter multi-column data sets by specifying
  multiple criteria
  
  Wraps methods from DataFilterParameter: setFields, generateMask,
  filterData, and describe.
class_docstr_tok: ["This","class","allows","the","user","to","filter","multi-column","data","sets","by","specifying","multiple","criteria","Wraps","methods","from","DataFilterParameter",":","setFields",",","generateMask",",","filterData",",","and","describe","."]
code: def __init__(self):
      ptree.ParameterTree.__init__(self, showHeader=False)
      self.params = DataFilterParameter()
  
      self.setParameters(self.params)
      self.params.sigFilterChanged.connect(self.sigFilterChanged)
  
      self.setFields = self.params.setFields
      self.generateMask = self.params.generateMask
      self.filterData = self.params.filterData
      self.describe = self.params.describe
  
imports: from collections import OrderedDict
  import numpy
  from ..None import functions
  from ..None import parametertree
  from ..Qt import QtCore
label_desc: Use image node_id 1 to create a new DataFilterWidget object from inherited base classes: ptree with example: obj = DataFilterWidget()