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lm is the name of the linear model (i.e. multiple regression) function in the statistics package R. For linear models in general use the `linear-model` tag instead.

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Interpreting R lm() output with factor as variable

I'd like to use an LM to show this. … > summary(lm(value~trial*treatment, data = testdf)) Call: lm(formula = value ~ trial * treatment, data = testdf) Residuals: Min 1Q Median 3Q Max -1.7489 -0.7443 -0.0995 0.6794 2.4066 …
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