[scikit-learn] Fwd: ValueError

Wed Jun 1 14:08:20 EDT 2016

I also copy pasted blindly. Actually I see that both numpy and scipy have
older versions
and not the new ones that I want. Let me look into the thread and do more
debugging.

Thanks,
Ruchika
----------------------------------------
Dr Ruchika Nayyar,
Post Doctoral Fellow for ATLAS Collaboration
University of Arizona
Arizona, USA.
--------------------------------------------

On Wed, Jun 1, 2016 at 11:00 AM, Sebastian Raschka <
mail at sebastianraschka.com> wrote:

> Sorry,
>
> $ python -c 'import numpy; print(scipy.__version__)’
>
> was a type, it should be
>
> $ python -c 'import scipy; print(scipy.__version__)’
>
> However, I’d recommend looking at the Issue 6706 as Nelson Liu suggested
> for further debugging (
> https://github.com/scikit-learn/scikit-learn/issues/6706)!
>
> Like Maniteja suggested, it is likely due to “a mismatch between numpy
> installed and the one scikit-learn is compiled with"
>
> Best,
> Sebastian
>
> > On Jun 1, 2016, at 1:55 PM, Ruchika Nayyar <ruchika.work at gmail.com>
> wrote:
> >
> > Hello Sebastian
> >
> > Thanks for some insight.. So here are some of my responses
> >
> > 1) $ python -c 'import numpy; print(numpy.__version__)'
> > 1.8.0rc1
> >
> > 2)  python -c 'import numpy; print(scipy.__version__)'
> > Traceback (most recent call last):
> >   File "<string>", line 1, in <module>
> > NameError: name 'scipy' is not defined
> >
> >
> > And I installed everything using pip install numpy/scikit-learn
> > and so on.
> > But when I tried to do this
> > pip install --upgrade scipy
> > Requirement already up-to-date: scipy in
> /Library/Python/2.7/site-packages
> > Requirement already up-to-date: numpy>=1.6.2 in
> /Library/Python/2.7/site-packages (from scipy)
> >
> >
> > So not sure why it is not being defined.
> > Thanks,
> > Ruchika
> > ----------------------------------------
> > Dr Ruchika Nayyar,
> > Post Doctoral Fellow for ATLAS Collaboration
> > University of Arizona
> > Arizona, USA.
> > --------------------------------------------
> >
> > On Wed, Jun 1, 2016 at 10:46 AM, Sebastian Raschka <
> mail at sebastianraschka.com> wrote:
> > Hi Ruchika,
> >
> > could you maybe post the results from
> >
> > $ python -c 'import numpy; print(numpy.__version__)'
> > 1.11.0
> > $ python -c 'import numpy; print(scipy.__version__)'
> > 0.17.0
> >
> > just to make sure that these are indeed the latest versions? However, I
> suspect that this is more of a compile rather than a version issue since
> scikit should work fine on older versions of NumPy and SciPy — e.g., one of
> the CI tests is running with NUMPY_VERSION=“1.6.2” and
> SCIPY_VERSION="0.11.0"
> >
> > Does NumPy run correctly if you run some examples without scikit-learn?
> > E.g., you may want to run
> >
> > import numpy
> > numpy.test('full')
> >
> > import scipy
> > scipy.test('full’)
> >
> > to narrow down the problem further.
> >
> > And how did you compile & install scikit-learn?
> >
> > Best,
> > Sebastian
> >
> > > On Jun 1, 2016, at 1:24 PM, Ruchika Nayyar <ruchika.work at gmail.com>
> wrote:
> > >
> > >
> > > Thanks,
> > > Ruchika
> > > ----------------------------------------
> > > Dr Ruchika Nayyar,
> > > Post Doctoral Fellow for ATLAS Collaboration
> > > University of Arizona
> > > Arizona, USA.
> > > --------------------------------------------
> > >
> > > ---------- Forwarded message ----------
> > > From: <scikit-learn-owner at python.org>
> > > Date: Wed, Jun 1, 2016 at 10:23 AM
> > > Subject: ValueError
> > > To: ruchika.work at gmail.com
> > >
> > >
> > > This list allows posts by subscribers only. Please subscribe at
> > > https://mail.python.org/mailman/listinfo/scikit-learn to post to the
> > > list.
> > >
> > >
> > >
> > > ---------- Forwarded message ----------
> > > From: Ruchika Nayyar <ruchika.work at gmail.com>
> > > To: scikit-learn at python.org
> > > Cc:
> > > Date: Wed, 1 Jun 2016 10:23:14 -0700
> > > Subject: ValueError
> > > Hi
> > >
> > > I am new to scikit-learn and while writing a python script to do a
> simple BDT using scikit-learn. I see error when I do this:
> > >
> > > from sklearn import datasets
> > >
> > >
> > > Traceback (most recent call last):
> > >   File "bdt.py", line 12, in <module>
> > >     from sklearn import datasets
> > >   File "/Library/Python/2.7/site-packages/sklearn/__init__.py", line
> 57, in <module>
> > >     from .base import clone
> > >   File "/Library/Python/2.7/site-packages/sklearn/base.py", line 11,
> in <module>
> > >     from .utils.fixes import signature
> > >   File "/Library/Python/2.7/site-packages/sklearn/utils/__init__.py",
> line 10, in <module>
> > >     from .murmurhash import murmurhash3_32
> > >   File "numpy.pxd", line 155, in init sklearn.utils.murmurhash
> (sklearn/utils/murmurhash.c:5029)
> > > ValueError: numpy.dtype has the wrong size, try recompiling
> > >
> > >
> > > I have already tried to uninstall numpy/scipy and pandas. They all are
> the latest and compatible version but something is not right. Can you tell
> me what I am doing wrong?
> > >
> > > Thanks,
> > > Ruchika
> > > ----------------------------------------
> > > Dr Ruchika Nayyar,
> > > Post Doctoral Fellow for ATLAS Collaboration
> > > University of Arizona
> > > Arizona, USA.
> > > --------------------------------------------
> > >
> > >
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