Difference between revisions of "Documentation/How Tos/Calc: DMAX function"
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Revision as of 10:05, 2 March 2009
DMAX
Returns the largest value in a column of a Calc 'database' table, in rows which meet specified criteria.
Syntax:
DMAX(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 |
DMAX(A1:E10; "Distance to School"; A13:E14)
- returns the maximum distance to school that any child in the second grade has to travel (1000, for Irene).
DMAX(A1:E10; 4; A13:E14)
- returns the same result.
DMAX(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 maximum in a single column can be found.