Documentation/How Tos/Calc: DAVERAGE function

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DAVERAGE

Returns the average of values in a column of a Calc 'database' table, in rows which meet specified criteria.


Syntax:

DAVERAGE(database_table; field; criteria_table)

where

database_table is a range defining the data to be processed.
field is the column to examine. It may be a column number (1 is the first column of the database table, 2 is the second ...) or a column header (enclosed in quotation marks ””) or a cell referring to a column header.
criteria_table is a range containing criteria, which are used to select which rows of the database_table to examine.


The Database functions overview fully describes the use of these parameters.


Example:

In this spreadsheet:

  A B C D E
1 Name Grade Age Distance to School Weight
2 Andy 3 9 150 40
3 Betty 4 10 1000 42
4 Charles 3 10 300 51
5 Daniel 5 11 1200 48
6 Eva 2 8 650 33
7 Frank 2 7 300 42
8 Greta 1 7 200 36
9 Harry 3 9 1200 44
10 Irene 2 8 1000 42
11          
12          
13 Name Grade Age Distance to School Weight
14   2      


DAVERAGE(A1:E10; "Distance to School"; A13:E14)

returns the average distance to school that children in the second grade have to travel (650).

DAVERAGE(A1:E10; 4; A13:E14)

returns the same result.

DAVERAGE(A1:E10; D1; A13:E14)

also returns the same result.

Issues:

The OOo2.3 Help implies that 0 as a field will include the entire database table. This seems to be wrong - only the average of a single column can be found.




See Also
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