Statistics: linear regression on the HP-10B
The tutor shows how to get a best-fit line with the HP-10B. Imagine the following data: x y 3 10.1 4 14.7 9 32.5 12 47.1 To get a best-fit line for it of form y=mx+b, here are the steps: …
Tag: best-fit line
Linear algebra: best fit line: method of least squares by hand
The tutor shows a nice trick to obtain a least squares line using matrix algebra. In my Nov 25 post I mentioned how, with Excel or LibreOffice Calc, to get a best-fit line for x y 0 3 2 5 …
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