[Numpy-discussion] loadtxt example problem ?
Mon May 4 15:10:25 CDT 2009
On Mon, May 4, 2009 at 3:06 PM, bruno Piguet <email@example.com> wrote:
> I'm new to numpy, and considering using loadtxt() to read a data file.
> As a starter, I tried the example of the doc page (
> http://docs.scipy.org/doc/numpy/reference/generated/numpy.loadtxt.html) :
> >>> from StringIO import StringIO # StringIO behaves like a file object
> >>> c = StringIO("0 1\n2 3")
> >>> np.loadtxt(c)
> I didn't get the expectd answer, but :
> Traceback (moste recent call last):
> File"(stdin)", line 1, in <module>
> File "C:\Python25\lib\sire-packages\numpy\core\numeric.py", line 725, in loadtxt
> X = array(X, dtype)
> ValueError: setting an array element with a sequence.
> I'm using verison 1.0.4 of numpy).
> I got the same problem on a Ms-Windows and a Linux Machine.
> I could run the example by adding a \n at the end of c :
> c = StringIO("0 1\n2 3\n")
> Is it the normal and expected behaviour ?
It's a bug that's been fixed. Numpy 1.0.4 is quite a bit out of date, so
I'd recommend updating to the latest (1.3).
Graduate Research Assistant
School of Meteorology
University of Oklahoma
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