Improving Correlation Estimates: Splitting the File

  1. To split the data file according to Vehicle type, from the menus choose:

    Data > Split File...

    Figure 1. Split File dialog box
    The Split File main dialog box. The file is to be split on Vehicle type.
  2. Select Compare groups.
  3. Select Vehicle type as the variable on which groups should be based.
  4. Click OK.
  5. To analyze the split file, recall the Bivariate Correlations dialog box.
  6. Click OK.

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