Avg (Tag-based PE function)

Return the average of all the arguments.

Syntax

Avg (x1,[...])

Arguments

x1, [...]

May be numbers, times, or periods but all must be the same data type.

Returns

The average of the arguments. The result is the same data type as the operands.

Exceptions

Arguments whose run-time values are character strings or digital states are not included in the average. If all values are character strings or digital states, Avg returns an error value.

Example

Avg(TagVal('tag1', '*'),TagVal('tag2', '*'),1,2)

• The average of the value of tag1 at the current time ('*'), tag2 at the current time ('*'), and the values 1 and 2.

  Avg('*', 't', '14-Dec-97', '14 8:00')

• The average of four different time values.

  Avg('tag1', 'tag2')

• The average of the current values of tag1 and tag2.