Re: [Numpy-discussion] For loop tips

[Alan G I. <ai...@am...>]

You can get some speed up for numeric data:
def list2index2(L):
  aL =3D asarray(L)
  eL =3D empty_like(L)
  for v,k in enumerate(set(L)):
  =09eL[aL =3D=3D k] =3D v
  return numpy.asmatrix(eL).T

fwiw,
Alan Isaac