2. Click on the Data menu and select Variable View (tab in lower left screen) and enter the I1 on the first row for the first variable. Click the column Type of Variable and it should come up Numeric or drag down to Numeric for type of variable. Then go to the next row and repeat these steps for I2, then repeat for I3 and I4. Then click Data View in lower left tab and fill in the data as displayed in above table, so that your screen looks like this: