class_docstr: Donchian Channel
  
  https://www.investopedia.com/terms/d/donchianchannels.asp
  
  Args:
      high(pandas.Series): dataset 'High' column.
      low(pandas.Series): dataset 'Low' column.
      close(pandas.Series): dataset 'Close' column.
      window(int): n period.
      fillna(bool): if True, fill nan values.
class_docstr_tok: ["Donchian","Channel","https",":","\/\/www.investopedia.com\/terms\/d\/donchianchannels.asp","Args",":","high","(","pandas.Series",")",":","dataset","'High","'","column",".","low","(","pandas.Series",")",":","dataset","'Low","'","column",".","close","(","pandas.Series",")",":","dataset","'Close","'","column",".","window","(","int",")",":","n","period",".","fillna","(","bool",")",":","if","True",",","fill","nan","values","."]
docstr: Donchian Channel Middle Band
  
  Returns:
      pandas.Series: New feature generated.
docstr_tok: ["Donchian","Channel","Middle","Band","Returns",":","pandas.Series",":","New","feature","generated","."]
code: def donchian_channel_mband(self) -> pd.Series:
      """Donchian Channel Middle Band
  
      Returns:
          pandas.Series: New feature generated.
      """
      mband = ((self._hband - self._lband) / 2.0) + self._lband
      mband = self._check_fillna(mband, value=-1)
      if self._offset != 0:
          mband = mband.shift(self._offset)
      return pd.Series(mband, name="dcmband")
  
imports: import numpy
  import pandas
  from ta.utils import IndicatorMixin
label_desc: Use image node_id 5 for calling the DonchianChannel obj's underlying member method code with example usage: obj.donchian_channel_mband() and returns: pd