def folding_in(data, model):
td, idf, vocab = data
d = td[:, -1]
lsa = LSA(model)
print lsa.folding_in(d).shape
def folding_in(data, model):
td, idf, vocab = data
d = td[:,-1]
lsa = LSA(model)
print lsa.folding_in(d).shape
