search for: hempresence

Displaying 1 result from an estimated 1 matches for "hempresence".

2005 Jul 19
2
Regression lines for differently-sized groups on the same plot
...of the curve so that I get a solid line rather than small dots and dashes where actual data exist. Thanks so much for your help! Laura Marx Michigan State University, Dept. of Forestry #Note: hemdata has all the rows that are not hemlock species replaced with #"NA"s. hemhem=glm(hempresence~logarea, family=binomial(logit), data=hemdata) hemyb=glm(hempresence~logarea, family=binomial(logit), data=birchdata) hemsm=glm(hempresence~logarea, family=binomial(logit), data=mapledata) attach(logreg) #logreg is the full dataset plot(logarea, hempresence, xlab = "Surface area of log (m2)&...