code: def analyze(self, historical_data, period_count=15):
      """Performs a SMA analysis on the historical data
  
      Args:
          historical_data (list): A matrix of historical OHCLV data.
          period_count (int, optional): Defaults to 15. The number of data points to gather.
  
      Returns:
          pandas.DataFrame: A dataframe containing the indicators and hot/cold values.
      """
  
      ohlcv_values = self.convert_to_dataframe(historical_data)
      return ohlcv_values
  
label_desc: Use image node_id 1 for calling the OHLCV obj's underlying member method code with example usage: obj.analyze(historical_data, period_count) and returns: ohlcv_values