When adding a trend line to a scatterplot (e.g. abline (90,4,col="red"), I
believe the "90" is the intercept and "4" is the slope.  How do I determine
the intercept and slope for the abline command?

 

Kristopher R. Deininger
Management Strategy & Entrepreneurship
PhD Student 2012

Robert H. Smith School of Business
University of Maryland
3330L Van Munching Hall
College Park, MD 20742-1815

301-405-0878 OFFICE
806-441-6697 MOBILE
301-314-9120 FAX

 <mailto:kdeininger@rhsmith.umd.edu> kdeininger@rhsmith.umd.edu
 <http://www.rhsmith.umd.edu/> http://www.rhsmith.umd.edu

 


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