Question
how does one make a residual plot please?
Answers
drwls
See http://students.depaul.edu/~mapel1/page8.htm
First you need to make a analytic-function best fit to your data points using some sort of least-squares analysis. Then plot the difference bewteen observed y and function-predicted y as a function of the independent variable x, for all of your data ponts.
First you need to make a analytic-function best fit to your data points using some sort of least-squares analysis. Then plot the difference bewteen observed y and function-predicted y as a function of the independent variable x, for all of your data ponts.