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I have a couple of points, who are the input for linear regression. LR outputs the parameters w and b, so that the ideal line is

y = wx+b.

I would like to depict that line in D2D1 with the following command:

pRenderTarget->DrawLine(D2D1::Point2F(startX, startY), D2D1::Point2F(endX, endY), pBrush);

The problem is that i cannot figure out what the points startX, startY, endX, endY have to be. I tried with

startX = minX, startY = w * startX + b, endX = maxX, endY = w * endX + b

where minX and minY are the minimum X and Y values in the dataset, but it gives a horizontal slope.

current output

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  • I tried to do something like this with R2D2 once but I couldn't understand the beep codes. Commented Jun 18, 2024 at 20:51
  • why you deleted stackoverflow.com/questions/79667723/… without saying us the reason, or the solution of your problem if you found (I am 99% sure to flush out before to close the file was missing) ? This is not a gentle behavior with people using time trying to help you ... Commented Jun 16 at 14:40
  • Sorry, that was because the problem was idiotic (not the correct path) and I didn't want to disturb anymore. Commented Jun 17 at 14:38
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