def read_dataframe(self, tidx=None):
'''
Read data frame from dataset.
:param tidx: (*int*) Time index. Default is ``None``.
:returns: (*DataFrame*) The DataFrame.
'''
if tidx is None:
df = self.dataset.getDataInfo().readDataFrame()
else:
df = self.dataset.getDataInfo().readDataFrame(tidx)
return DataFrame(dataframe=df)
def read_dataframe(self):
'''
Read data frame from dataset.
'''
df = self.dataset.getDataInfo().readDataFrame()
return DataFrame(dataframe=df)