What about adding a simple binary night / day flag? While it's less information than hour, it will provide a distinct cutoff for the network to use.
Andrew <~~~~~~~~~~~~~~~~~~~~~~~~~~~> J. Andrew Howe, PhD Editor-in-Chief, European Journal of Mathematical Sciences Executive Editor, European Journal of Pure and Applied Mathematics www.andrewhowe.com http://www.linkedin.com/in/ahowe42 https://www.researchgate.net/profile/John_Howe12/ I live to learn, so I can learn to live. - me <~~~~~~~~~~~~~~~~~~~~~~~~~~~> On Tue, May 31, 2016 at 8:47 PM, muhammad waseem <m.waseem.ah...@gmail.com> 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 <andrewholme...@icloud.com> > 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 <m.waseem.ah...@gmail.com> >> 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 >> scikit-learn@python.org >> https://mail.python.org/mailman/listinfo/scikit-learn >> >> >> >> _______________________________________________ >> scikit-learn mailing list >> scikit-learn@python.org >> https://mail.python.org/mailman/listinfo/scikit-learn >> >> > > _______________________________________________ > scikit-learn mailing list > scikit-learn@python.org > https://mail.python.org/mailman/listinfo/scikit-learn > >
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