Creating and Using a Summary Field

Description

The Summary Genie assists you in creating calculated fields that summarize various aspects of a field over a group of records or over the whole table. The Summary Genie will summarize over the child records for a given parent record if you select a field or expression based on a child record. It will summarize over the whole table if you select a field or expression based on a parent record. The following functions are supported:

Summary Functions 

  • Total 

    Total of a group of number values.

  • Average 

    Average of a group of number values.

  • Count 

    Count of records for a group of records.

  • Minimum value 

    Minimum character or number value for a group of records.

  • Maximum value 

    Maximum character or number value for a group of records.

Other functions 

  • Count duplicates 

    A summary function that returns the number of Duplicate records for the expression evaluated for a group of records.

  • First in group 

    A summary function that returns the First value of the expression evaluated for a group of records.

  • Last in group 

    A summary function that returns the Last value of the expression evaluated for a group of records.

  • Standard deviation 

    Returns the Standard Deviation of the field's expression evaluated for a group of records.

  • Standard deviation for population 

    Returns the Population Standard Deviation of the field's expression evaluated for a group of records.

  • Variance 

    Returns the Variance of the field's expression evaluated for a group of records.

  • Variance for population 

    Returns the Population Variance of the field's expression evaluated for a group of records.

 

  1. Click the following to display a list of table fields.

    images/Drag_and_Drop_List_button.gif
  2. Click the Genie button so that it is depressed.

    images/Genie_button.gif
  3. Drag a field with a number value, such Invoice_Items->Extension onto the form.

  4. Click the Total of the field option button when the Summary Field Genie appears.

  5. Click Finish.

    images/AL_summary_field_genie_2.gif

See Also