def __init__(self, essaytype = "<STR_LIT:train>"):
if(essaytype != "<STR_LIT:train>" and essaytype != "<STR_LIT:test>"):<EOL><INDENT>essaytype = "<STR_LIT:train>"<EOL><DEDENT>self._type = essaytype<EOL>self._target=[]<EOL>self._textual_features=[]<EOL>self._numeric_features=[]<EOL>self._essay_sets=[]<EOL>
Initialize variables and check essay set type