Interpreting Regression Results

There are four major sections to the results panel for the linear fit. We've already seen the equation of the line of best fit and discussed its meaning. In this part of the chapter, we'll discuss the three other sections in order.

Figure 13.6. Regression Results

Summary of Fit

Under the heading Summary of Fit, we find five statistics that describe the fit between the data and the model.

  • RSquare and RSquare Adj both summarize the strength of the linear relationship between the two continuous variables. The RSquare statistics range between 0.0 and 1.0, where 1.0 is a perfect linear fit. Just as in Chapter 4

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