Fitting a multiple linear regression

Fit a multiple linear regression model to describe the relationship between many quantitative predictor variables and a response variable.

1. Select a cell in the dataset.
2. On the Analyse-it ribbon tab, in the Statistical Analyses group, click Fit Model, and then click Multiple Regression.
   The analysis task pane opens.
3. In the Y drop-down list, select the response variable.
4. In the Available variables list, select the predictor variables:
   • To select a single variable, click the variable.
   • To select multiple variables, click the first variable then hold down the CTRL key and click each additional variable.
   • To select a range of variables, click the first variable then hold down the SHIFT key and click the last variable in the range.
5. Click Add Predictor.
6. Repeat steps 4 through 5 for each additional set of variables.
7. Optional: To assign a weight to each row for the analysis, in the Weight drop-down list, select the weight variable.
8. Click Calculate.