Linear Regression Tutorial

Some good tutorial about the linear regression.

we have two sets of data x and y, the relationship is linear.This relationship is known as having a linear correlation and follows the equation of a straight line.
y = mx+b
Below is an example of a sample data set and the plot of a "best-fit" straight line through the data.

Here comes the simple method to find out the parameters a and b.


http://phoenix.phys.clemson.edu/tutorials/regression/index.html