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I'm having a problem using the neural network toolbox in matlab. I was wondering if anyone could shed some light.

I have two files training.csv and testing.csv, which hold the training and testing data, respectively. Using the neural network toolbox gui, I am able to upload the inputs (the training data), but no matter what it will not let me upload any target data.

Why? How do I fix this? I don't know if I'm doing something wrong, or if Matlab is going crazy.

edit 1: There is no error message. It simply ignores whatever I have clicked on, so everything looks the same before I tried to upload any data for the target data. And at the bottom, it just keeps telling me to select targets and then click Next.

edit 2: all my data is numerical, though the first column is used to give a positive (1) or negative (-1) classification to the example.

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What is the error message? – Franck Dernoncourt May 28 at 3:24
@FranckDernoncourt see edit 1 – user678392 May 28 at 3:43
Do you use nftool? Can you post your CSV? – Franck Dernoncourt May 28 at 3:51

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