The following is a small noisy data set. Perform a linear regression analysis of this data set, i.e., find the best fitting straight line going through the data set.
The following are noisy data sets. Find the functional forms which fit them best. Check the standard deviation in each case.
The following is a noisy data set exhibiting a break at x=7. Fit the data via straight lines in the separate regions x <7 and x>7.
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