Call: lm(formula = lnD ~ lnfO2 + Cr_no + T_i * P_Pa, data = ddf_all_ss) Residuals: Min 1Q Median 3Q Max -1.5137 -0.3745 -0.1125 0.3611 2.2989 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) -8.595e+00 1.212e+00 -7.092 9.06e-10 *** lnfO2 9.158e-03 5.767e-02 0.159 0.874 Cr_no 3.611e+00 2.668e-01 13.537 < 2e-16 *** T_i -5.283e+04 2.649e+03 -19.943 < 2e-16 *** P_Pa 6.034e-10 7.525e-10 0.802 0.425 T_i:P_Pa -9.586e-07 1.351e-06 -0.710 0.480 --- Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1 Residual standard error: 0.6518 on 69 degrees of freedom (4 observations deleted due to missingness) Multiple R-squared: 0.9827, Adjusted R-squared: 0.9815 F-statistic: 786 on 5 and 69 DF, p-value: < 2.2e-16