Sorry, I got it wrong and ignored the StringIO part.
Lluis
Lluís writes:
> Damien Moore writes:
[...]
>> import numpy, StringIO
>> s=StringIO.StringIO('q1,2\nq3,4')
>> a=numpy.genfromtxt(s,delimiter=',',converters={0:lambda s:float(s[1:])})
>> s=StringIO.StringIO('q1,2\nq3,4')
>> b=numpy.genfromtxt(s,delimiter=',')
>> a.shape
>> (2,)
>> b.shape
>> (2,2)
>>>>> a
>> array([(1.0, 2.0), (3.0, 4.0)],
>> dtype=[('f0', '|O4'), ('f1', '<f8')])
>>>>> b
>> array([[ NaN, 2.],
>> [ NaN, 4.]])
> I think this is what you want:
>>>> cat /tmp/test.csv
> 1, 2
> 3, 4
>>>> numpy.genfromtxt("/tmp/test.csv", delimiter=",", dtype=float)
> array([[ 1., 2.],
> [ 3., 4.]])
> Lluis
--
"And it's much the same thing with knowledge, for whenever you learn
something new, the whole world becomes that much richer."
-- The Princess of Pure Reason, as told by Norton Juster in The Phantom
Tollbooth
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