code: def unscale_timeseries_numpy(data, scaler, scaler_index):
      return UNSCALE_HELPER_MAP[type(scaler)](
          data, scaler, scaler_index
      )
  
file_path: BigDL/python/chronos/src/bigdl/chronos/data/utils/scale.py
imports: import numpy
  import pandas
  from sklearn.preprocessing import StandardScaler, MaxAbsScaler, MinMaxScaler, RobustScaler
label_desc: Use image node_id 5 for calling a global function with example usage: unscale_timeseries_numpy(data, scaler, scaler_index) and returns: UNSCALE_HELPER_MAP