Re: [libreoffice-users] Calc: Searching for values in a certain range string

At 16:57 08/02/2014 +0200, Hylton Conacher wrote:
> What I seek is to be able to have a sheet of Lottery results 
> downloaded from the Internet and pasted into a Calc sheet. On 
> another Calc sheet I will have a listing of the 6 numbers held for 
> each specific draw date. Each populated cell of my ticket sheet will 
> indicate if the number in that cell is the same as a number in a 
> range of cells from the results sheet, on a particular date. As an example:
>
> Assume the draw results below dated drew the following numbers:
> 04/02/2014 16, 03, 19, 21, 23, 06
> 11/02/2014 17, 05, 02, 20, 22, 04
> 18/02/2014 09, 40, 05, 09, 42, 03
>
> Also assume that draw numbers I chose for a draw on a date were:
> 11/02/2014  02, 05, 18, 20, 22, 04
>
> If any number on my ticket matches a corresponding date value, I 
> want the cell to change background colour.

Suppose the results are on a Results sheet in columns A to G, 
starting in row 1.  Suppose also that the draw numbers are on a 
Tickets sheet in the same columns, again starting in row 1.

o Create a cell style with a suitable background colour.
o Select cell Tickets.B1.
o Go to Format | Conditional Formatting... .
o Tick Condition 1.
o Select "Formula is".
o For Cell Style, select your cell style with the coloured background.
o In the formula box, enter 
NOT(ISNA(MATCH(B1;OFFSET(Results.$B$1:$G$1;MATCH($A1;Results.$A$1:$A$99;0)-1;0);0))) 
.
o With Tickets.B1 still selected, click the Format Paintbrush button 
in the Standard toolbar.
o Drag the paintbrush icon from Tickets.B1 across to G1 and down as 
many rows as necessary.

How does it work?  The inner MATCH() function searches the date 
column of the Results sheet and returns the row number of the 
matching date.  The OFFSET() function then creates a reference to the 
range of results (Bn:Gn) for that date.  The outer MATCH() function 
then searches that range of results for the individual ticket number, 
returning a column number (which we don't use) if it is found or the 
error value #N/A if it is not.  The ISNA() function tests for #N/A, 
so returns TRUE if the ticket number was not found, and the NOT() 
function inverts this, thus returning TRUE for ticket numbers that are matched.

Note that you may need to force recalculation of cells before you see 
new colouring if you modify the data.

I trust this helps.

Brian Barker


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