class_docstr: A parameter group that specifies a set of filters to apply to tabular data.
      
class_docstr_tok: ["A","parameter","group","that","specifies","a","set","of","filters","to","apply","to","tabular","data","."]
code: def addNew(self, name):
      mode = self.fields[name].get("mode", "range")
      if mode == "range":
          child = self.addChild(
              RangeFilterItem(name, self.fields[name])
          )
      elif mode == "enum":
          child = self.addChild(EnumFilterItem(name, self.fields[name]))
      else:
          raise ValueError("field mode must be 'range' or 'enum'")
      return child
  
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 3 for calling the DataFilterParameter obj's underlying member method code with example usage: obj.addNew(name) and returns: child