This problem has been solved in the literature before, I can post papers. On Tue, May 31, 2016 at 7:07 PM, Jacob Schreiber <jmschreibe...@gmail.com> 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 < > 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 >> >> > > _______________________________________________ > scikit-learn mailing list > scikit-learn@python.org > https://mail.python.org/mailman/listinfo/scikit-learn > >
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