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2013 Jan 12
2
Interpreting coefficients in linear models with interaction terms
...here there are thee different tests and Sex is (obviously) binary. My results are: Residuals: Min 1Q Median 3Q Max -86.90 -26.28 -7.68 22.52 123.74 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 29.430 6.248 4.710 4.80e-06 *** TestNumber2 56.231 8.837 6.364 1.47e-09 *** TestNumber3 75.972 10.061 7.551 1.82e-12 *** SexM 7.101 9.845 0.721 0.472 TestNumber2:SexM -16.483 13.854 -1.190 0.236 TestNumber3:SexM -24.571 15.343 -1.601 0.111 --- Signif. codes: 0...