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I want to use a neural net to give predictions, but I am not sure where to start. I do know that I don't want to use the high-level Predict function.

So what I have is a series of optical spectroscopies, which each corresponds to a single number from 0 to 1.

For example, in the plot attached, curves with different colors correspond to different numbers. Say, yellow curves correspond to 0.4 and red curves correspond to 0.8. I want to train the neural net so that when I input new curve data (meaning a list of numbers), it outputs a number between 0 to 1.

In short, what I want is: Input(a list of numbers) ---> Neural Net ---> Output(a single number between 0 to 1)

What kind of neural net should I use? Any examples? I didn't find any on the Neural Net Repository.

enter image description here

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  • $\begingroup$ It seems you'd have to train your network yourself...that a specific list of data corresponds to a specific number between 0 and 1...though my guess is that you'll need a lot of already defined curves since your lines only really seem to have a small area that are different than each other. $\endgroup$
    – DrMrstheMonarch
    Commented Sep 22, 2019 at 23:33
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    $\begingroup$ It would be easier to help if you could share your data. $\endgroup$
    – C. E. ♦
    Commented Sep 23, 2019 at 4:33

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I wrote a blog post in the past that should help you get started with this. The documentation also has two pages that might be of interest to you:

https://reference.wolfram.com/language/tutorial/NeuralNetworksRegression.html#280210622 https://reference.wolfram.com/language/tutorial/NeuralNetworksRegressionWithUncertainty.html

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  • $\begingroup$ Thank you for sharing this and for writing that blog post (which I've read before and appreciated at the time.) Consider posting this as a comment though, since link-only answers are discouraged. $\endgroup$
    – C. E. ♦
    Commented Sep 23, 2019 at 15:43
  • $\begingroup$ @Sjoerd Smit Your blog is very helpful, I already solved the problem following your solution. Thanks $\endgroup$
    – baker
    Commented Sep 24, 2019 at 2:28

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