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10.1 Kitchen sink model We can extend the lm (y~x) function to construct a more complicated “formula” for the multi-dimensional model: lm (y ~ x1 + x2 + ... + xn ). This tells R to find the best model ...

Of course, we need more information about the regression to make any reliable conclusions. Does the model satisfy the assumptions of linear regression? Does the model fit the data (high R 2)? The the ...