DAVERAGE returns the average of the values of all cells (fields) in all rows (database records) that match the specified search criteria.
DAVERAGE(Database; DatabaseField; SearchCriteria)
Returns a real value by calculating average of the all cells in the Database that qualify the SearchCriteria in the given DatabaseField.
Database is the cell range defining the database.
DatabaseField specifies the column where the function operates on after the search criteria of the first parameter is applied and the data rows are selected. It is not related to the search criteria itself. For the DatabaseField parameter you can enter a reference to a header cell or a number to specify the column within the Database area, starting with 1. To reference a column by means of the literal column header name, place quotation marks around the header name.
SearchCriteria is the cell range containing search criteria. If you write several criteria in one row they are connected by AND. If you write the criteria in different rows they are connected by OR. Empty cells in the search criteria range will be ignored.
Choose Tools > Options > LibreOffice Calc > Calculate to define how LibreOffice Calc acts when searching for identical entries.
See also the Wiki page about Conditional Counting and Summation.
For the DatabaseField parameter you can enter a reference to a header cell or a number to specify the column within the Database area, starting with 1. To reference a column by means of the literal column header name, place quotation marks around the header name.
The Database category may be confused with a database integrated in LibreOffice. However, there is no connection between a database in LibreOffice and the Database category in LibreOffice Calc.
The search supports wildcards or regular expressions. With regular expressions enabled, you can enter "all.*", for example to find the first location of "all" followed by any characters. If you want to search for a text that is also a regular expression, you must either precede every character with a "\" character, or enclose the text into \Q...\E. You can switch the automatic evaluation of wildcards or regular expression on and off in Tools > Options > LibreOffice Calc > Calculate.
The following data will be used in some of the function description examples:
The range A1:E10 lists the children invited to Joe's birthday party. The following information is given for each entry: column A shows the name, B the grade, then age in years, distance to school in meters and weight in kilograms.
|1||Name||Grade||Age||Distance to School||Weight|
|13||Name||Grade||Age||Distance to School||Weight|
|=DAVERAGE(A1:E10;D1;A13:E14)||average distance to school where distance to school is greater than 600||1010|
|=DAVERAGE(A1:E10;"Weight";A13:E14)||average weight of students for whom distance to school is greater than 600||41.8|
In row 14, under Age, try entering 7, 8, 9, and so on, one after the other. The average weight, distance to school of all children of that particular age having distance to school greater than 600 appears for the same formulas as above.
Related LibreOffice functions:
Equivalent Excel functions: