Difference between revisions of "Documentation/How Tos/Calc: SUMIF function"
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Revision as of 08:13, 3 May 2010
SUMIF
Conditionally sums the contents of cells in a range.
Syntax:
SUMIF(test_range; condition; sum_range)
- This function identifies those cells in the range test_range that meet the condition, and sums the corresponding cells in the range sum_range. If sum_range is omitted the cells in test_range are summed.
- condition may be:
- a number, such as 34.5
- an expression, such as 2/3 or SQRT(B5)
- a text string
- SUMIF looks for cells in test_range that are equal to condition, unless condition is a text string that starts with a comparator:
- >, <, >=, <=, =, <>
- In this case SUMIF compares those cells in test_range with the remainder of the text string (interpreted as a number if possible or text otherwise).
- For example the condition “>4.5” tests if the content of each cell is greater than the number 4.5, and the condition “<dog” tests if the content of each cell would come alphabetically before the text dog.
- It can be very important to check the settings on the Tools menu – Options - OpenOffice.org Calc - Calculate dialog:
- If the checkbox is ticked for search criteria = and <> must apply to whole cells, then the condition “red” will match only red; if unticked it will match red, Fred, red herring.
- If the checkbox is ticked for Enable regular expressions in formulas, the condition will match using regular expressions - so for example "r.d" will match red, rod, rid, and "red.*" will match red, redraw, redden.
- The checkbox for Case sensitive has no effect (no attention is paid to case). See the examples for how to achieve a case sensitive match.
- Blank (empty) cells in test_range are ignored (they never satisfy the condition).
- condition can only specify one single condition. See Conditional Counting and Summation for ways to specify multiple conditions.
Example:
SUMIF(A1:A9;"<0")
- returns the sum of the negative numbers in A1:A9.
SUMIF(A1:A9; F1)
- where F1 contains the text >=0 (without double quotes) returns the sum of the positive numbers in A1:A9.
SUMIF(B2:B4; "<"&F2; C2:C4)
- where F2 contains 10 and cells B2, B3, B4 contain 7, 9, 11, returns the sum of C2 and C3, because cells B2 and B3 are less than 10.
SUMIF(D1:D9; "apples"; E1:E9)
- where cells in D1:D9 contain either apples or pears and cells in E1:E9 contain the corresponding quantities of each fruit, returns the total quantity of apples.
Advanced topic:
SUMPRODUCT(D1:D9="Apples"; E1:E9).
- returns the sum of entries in E1:E9 whose corresponding entry in D1:D9 matches Apples, with case sensitivity (entries of apples and APPLES would not match). See Conditional Counting and Summation for details.