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Hi! I have fitted two glms assuming a poisson distribution which are: fit1 <- glm(Aids ~ Year, data=aids, family=poisson()) fit2 <- glm(Aids ~ Year+I(Year^2), data=aids, family=poisson()) I am trying to work out how to represent the fitted regression curves of fit1 and fit2 on the one graph. I have tried: graphics.off() plot(Aids ~ Year, data = aids) line(glm(Aids ~ Year,

...0 405 0.69772 0.7268 Regards, Emily Emily Deomano Biometrician BSES Limited Postal Address: PO Box 86 Street Address: 50 Meiers Road Indooroopilly QLD 4068 Australia Ph: +61 (0) 7 3331 3306 Mobile: +61 (0) 408 656 452 Fax: +61 (0) 7 38710383 Email: edeomano@bses.org.au<blocked::mailto:jstringer@bses.org.au> Web: www.bses.org.au<http://www.bses.org.au> BSES Limited Disclaimer -------------------------------------------------------------------------------- This email and any files transmitted with it are confide...{{dropped:15}}