code: def transform(self, X):
      if isinstance(
          X, (pd.Series, pd.DataFrame, dd.Series, dd.DataFrame)
      ):
          return X.fillna(self.statistics_)
  
      elif isinstance(X, da.Array):
          return da.where(da.isnull(X), self.statistics_, X)
      else:
          return super(SimpleImputer, self).transform(X)
  
file_path: dask-ml/dask_ml/impute.py
imports: import dask
  import dask.array
  import dask.dataframe
  import numpy
  import pandas
  import sklearn.impute
  from .utils import check_array
label_desc: Use image node_id 5 for calling the SimpleImputer obj's underlying member method code with example usage: obj.transform(X) and returns: X, da, super