Hi Phil, I don't think this is the correct list for this. You question has nothing to do with R specifically which is the purpose here. I suggest you pursue other help lists related to neural networks to try and find someone to assist you.
Regards, Charles On Sat, Apr 16, 2016 at 2:08 AM, Philip Rhoades <p...@pricom.com.au> wrote: > People, > > I thought I needed to have some familiarity with NNs for some of my > current (non-profit, brain-related) projects so I started looking at > various programming environments including R and I got this working: > > http://gekkoquant.com/2012/05/26/neural-networks-with-r-simple-example > > however I needed pictures to help understand what was going on and then I > found this: > > > https://jamesmccaffrey.files.wordpress.com/2012/11/backpropagationcalculations.jpg > > which I thought was almost intelligible so I had an idea which I thought > would help the learning process: > > - Create a very simple NN implemented as a spreadsheet where each sheet > would correspond to an iteration > > I started doing this on LibreOffice: > > - I think am already starting to get a better idea of how NNs work just > from the stuff I have done on the spreadsheet already > > - I have now transferred my LibreOffice SpreadSheet (SS) to a shared > Google Docs Calc file and can share it for editing with others > > > https://docs.google.com/spreadsheets/d/1eSCgGU5qeI3_PmQhwZn4RH0NznUekVP5BP7w4MpKSUc/pub?output=pdf > > - I think I have the SS calculations correct so far except for the stuff > in the dashed purple box in the diagram > > - I am not sure how to implement the purple box . . so I thought I would > ask for help on this mailing list > > If someone can help me with the last bit of the SS, from there I think I > can then repeat the FR and BP sheets and see how the Diffs evolve . . > > Is anyone interested in helping to get this last bit of the spreadsheet > working so I can move on to doing actual work with the R packages with > better understanding? > > Thanks, > > Phil. > -- > Philip Rhoades > > PO Box 896 > Cowra NSW 2794 > Australia > E-mail: p...@pricom.com.au > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
