III. b. Field Calculator Option
             Estimated time:
             3 minutes
Calculating the 8 hour average ozone level in the new field just created. The Field Calculator allows you to calculate values within a data layer, possibly combining data from other layers or from multiple areas within the same layer.
In this exercise, you will:
  • Use the Field Calculator Option


                                                   Start VideoDemo

Text Version:

    1. In the Attribute Table Right Click in the 8hr title -> Field Calculator -> Yes

    2. In the text box set the Field equal to ([HR8] + [HR9] + [HR10] + [HR11]+[HR12]+[HR13]+[HR14]+ [HR15])/8 -> Ok -> Close

    3. Note: The new Field will be on the far right of the attribute table