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I've got a list of entries in a range in LO Calc. The max size of the range is 1 X 9, but may include blanks and/or duplicates. How can I extract a list of unique values automatically, so that my user doesn't have to use the filter function?

  • Does this q/a solve your issue? – tohuwawohu Dec 4 '14 at 18:38
  • @tohuwawohu - that would be a logical approach but the question asks about a way to do it without using a filter. – fixer1234 Dec 24 '14 at 7:33
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I'm not sure if your 1×9 is one row × nine columns or vice versa. I chose the latter but it should not be very difficult to transpose this array formula solution.

        Unique Count in Calc

The array formula in C2 is,

=SUM(IF(ISERROR(($A$2:$A$10<>"")/COUNTIF($A$2:$A$10; $A$2:$A$10&"")); 0; ($A$2:$A$10<>"")/COUNTIF($A$2:$A$10; $A$2:$A$10&"")))

Array formulas require Ctrl+Shift+Enter rather than simply Enter. If you plan to fill this right or down, you should adjust the absolute cell and cell range references to allow either a column or a row to 'float' in a relative manner. Once entered correctly, you can fill right or down as necessary.

EDIT¹:

OO Calc's SUMPRODUCT function can do this without Ctrl+Shift+Enter with this formula.

=SUMPRODUCT(($A$2:$A$10<>"")/COUNTIF($A$2:$A$10&""; $A$2:$A$10&""))

EDIT²:

The unique list can be gathered with a similar array formula.

        Unique list in OO CAlc

The array formula in D2 is,

=IF(ISNA(MATCH(0; IF($A$2:$A$10<>""; COUNTIF(D$1:D1; $A$2:$A$10&""); 1); 0)); ""; INDEX($A$2:$A$10; MATCH(0; IF($A$2:$A$10<>""; COUNTIF(D$1:D1; $A$2:$A$10&""); 1); 0)))

This requires Ctrl+Shift+Enter rather than simply Enter. Once entered correctly it can be filled down to gather all unique entries.

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