Displaying 1 result from an estimated 1 matches for "quadraticregress".
2009 Nov 08
2
linear trend line and a quadratic trend line.
...I(income^2) into the equation.
I know I can make two models and compare them using anova, but for pedagogical resons I wold
like to visualise it. I know the trick from my past as an SPSS user, but I would like to do
this in R as well. Se it in SPSS
http://www.childrens-mercy.org/stats/weblog2006/QuadraticRegression.asp
Thanks in adcance
Eric