What is data in regression plot in neural network?
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I have trained a neural network to recognize three different signs (stop sign, no-left sign and no-entry sign). I have taken 50 images for each class. Every picture has size of 25x25 matrix,so my input is 625x150 matrix and target - 1x150 matrix. After training for 1000 epochs, the network shows the following regression plot. But I do not understand what actually does the circle shaped data mean? And is it supposed to be concentrated as shown in the diagram?
ALBERT ALEXANDER STONIER on 4 Oct 2016
The circled shaped in the input data which you have used for the training of neural network.
Greg Heath on 5 Oct 2016
The circles are your OUTPUT data. HOWEVR, You have 3 classes of target the plots only show outputs of 0 and 1.
Where are the points for the third class?
The standard approach is to have 3 dimensional (0,1) unit vectors for targets. That is, columns of eye(3).
Hope this helps.