Call: glm(formula = cautions ~ drivers + trklen + laps, family = poisson("log")) Deviance Residuals: Min 1Q Median 3Q Max -2.8821 -0.7317 -0.1092 0.7086 2.3338 Coefficients: Estimate Std. Error z value Pr(>|z|) (Intercept) -0.7962699 0.4116942 -1.934 0.05310 . drivers 0.0365253 0.0124932 2.924 0.00346 ** trklen 0.1144986 0.1684236 0.680 0.49662 laps 0.0025963 0.0007893 3.289 0.00100 ** --- Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1 (Dispersion parameter for poisson family taken to be 1) Null deviance: 215.49 on 150 degrees of freedom Residual deviance: 171.22 on 147 degrees of freedom AIC: 671.11 Number of Fisher Scoring iterations: 4 > > anova(race.mod, test="Chisq") Analysis of Deviance Table Model: poisson, link: log Response: cautions Terms added sequentially (first to last) Df Deviance Resid. Df Resid. Dev P(>|Chi|) NULL 150 215.49 drivers 1 5.1673 149 210.32 0.023016 * trklen 1 28.1912 148 182.13 1.099e-07 *** laps 1 10.9167 147 171.22 0.000953 *** --- Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1 >