export(interactionMeans, testFactors, testInteractions)
import(car)
S3method(testFactors, lm)
S3method(testFactors, mlm)
S3method(testFactors, glm)
S3method(print, testFactors)
S3method(summary, testFactors)
S3method(summary, testFactors.lm)
S3method(summary, testFactors.mlm)
S3method(print, summary.testFactors)
S3method(plot, interactionMeans)
