Using the same feature set? How well do other estimators work? (Linear regression, gradient boosting, etc...)
On Tue, May 31, 2016 at 11:10 AM, muhammad waseem <[email protected]> wrote: > This problem has been solved in the literature before, I can post papers. > > On Tue, May 31, 2016 at 7:07 PM, Jacob Schreiber <[email protected]> > wrote: > >> Do you have any other baselines which you can compare to? It might be >> helpful in seeing if this is a problem which can be learned. >> >> On Tue, May 31, 2016 at 10:47 AM, muhammad waseem < >> [email protected]> wrote: >> >>> Thanks for your reply. I have day, month, hour, temp, relative humidity, >>> Wind speed as my input variables. I can't think of any other dependant >>> variables. It is quite strange to me that I don't get results after using >>> these input variables. >>> >>> On Tue, May 31, 2016 at 4:59 PM, Andrew Holmes < >>> [email protected]> wrote: >>> >>>> If the problem is that it’s confusing day and night, are you including >>>> time of day as a parameter? >>>> >>>> Best wishes >>>> Andrew >>>> >>>> @andrewholmes82 <http://twitter.com/andrewholmes82> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> On 31 May 2016, at 16:55, muhammad waseem <[email protected]> >>>> wrote: >>>> >>>> Hi All, >>>> I am trying to train an ANN but until now it is not learning the lower >>>> values of the training sample. I have tried using different python >>>> libraries to train ANN. The aim is to predict solar radiation from other >>>> weather parameters (regression problem). I think the ANN is confusing lower >>>> values (winter/cloudy days) with the night-time values (probably). I have >>>> tried the following but none of them worked; >>>> >>>> 1. Scaling data between different values e.g. [0,1],[-1,1] >>>> 2. Standardising data to have zero mean and unit variance >>>> 3. Shuffling the data >>>> 4. Increasing the training samples (from 3 years to 10 years) >>>> 5. Using different train functions >>>> 6. Trying different transfer functions >>>> 7. Using few input variables >>>> 8. Varying hidden layers and hidden layers' neurons >>>> >>>> Any idea what could be wrong or any directions to try? >>>> >>>> Thanks >>>> Kindest Regards >>>> Waseem >>>> _______________________________________________ >>>> scikit-learn mailing list >>>> [email protected] >>>> https://mail.python.org/mailman/listinfo/scikit-learn >>>> >>>> >>>> >>>> _______________________________________________ >>>> scikit-learn mailing list >>>> [email protected] >>>> https://mail.python.org/mailman/listinfo/scikit-learn >>>> >>>> >>> >>> _______________________________________________ >>> scikit-learn mailing list >>> [email protected] >>> https://mail.python.org/mailman/listinfo/scikit-learn >>> >>> >> >> _______________________________________________ >> scikit-learn mailing list >> [email protected] >> https://mail.python.org/mailman/listinfo/scikit-learn >> >> > > _______________________________________________ > scikit-learn mailing list > [email protected] > https://mail.python.org/mailman/listinfo/scikit-learn > >
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