How can I add a least squares line to each panel in coplot? Thank you very much. Peter B. -- Peter B. Mandeville mandevip at deimos.tc.uaslp.mx Jefe del Depto. de Inform?tica y Bioestad?stica rpe1531 at pasteur.fmed.uaslp.mx Facultad de Medicine Tel: 48 26-23-45 ext. 232 Universidad Aut?noma de San Luis Potos? Fax: 48 28-23-52 Av. V. Carranza 2405 Col. Los Filtros Apartado Postal 145 San Luis Potos?, S.L.P. 78210 M?xico -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._
"Peter B. Mandeville" wrote:> > How can I add a least squares line to each panel in coplot? > > Thank you very much.Let's extend the last example from the help to coplot(): data(state) attach(data.frame(state.x77)) coplot(Life.Exp ~ Income | Illiteracy * state.region, number = 3, panel = function(x, y, ...) {points(x, y, ...); abline(lm(y~x))}) detach() So just change the function for the argument 'panel'. Uwe Ligges -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._