[Numpy-discussion] Numpy Array of dtype=object with strings and floats question
Darryl Wallace
darryl.wallace@prosensus...
Fri Nov 6 14:56:57 CST 2009
What I'm doing is importing some data from excel and sometimes there are
strings in the worksheet. Often times a user will use an empty cell or a
string to represent data that is missing.
e.g.
from numpy import *
mixedArray=array([1, 2, '', 3, 4, 'String'], dtype=object)
Two questions:
1) Is there a quick way to find the elements in the array that are the
strings without iterating over each element in the array?
or
2) Could I quickly turn it into a masked array of type float where all
string elements are set as missing points?
I've been struggling with this for a while and can't come across a method
that will all me to do it without iterating over each element.
Any help or pointers in the right direction would be greatly appreciated.
Thanks,
Darryl
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