Re: [libreoffice-users] VLOOKUP for Numbers

On 2013-03-27 20:47, Brian Barker wrote:
> At 07:15 26/03/2013 -0700, Jason C. Wells wrote:
> > That works well.  I'll check it against real data today.  The details 
> > of the numerical comparison are hidden from me with that equation ...
>
> I'm sure you'll be able to analyse the formula =VLOOKUP(A1;C$1:D$9;2) 
> - but here goes.
>
> The array C1 to D9 contains your limiting values for the classes and 
> the corresponding values you need to retrieve.  This is indicated as a 
> single parameter in the function reference as C1:D9.  When we fill the 
> resulting formula down column B, this array reference would be 
> automatically modified to reference different rows; since you don't 
> want this, you need to lock the row numbers, which you do by preceding 
> them with the $ character. This gives C$1:D$9 as the second parameter.
>
> The VLOOKUP() reference takes the value of its first parameter (A1, 
> A2, and so on) and searches for it in the first column (C) of the 
> above array.  The third parameter, 2, indicates that the value you 
> want to retrieve is from the second column of the array - column D.  
> The absence of the optional fourth parameter indicates that column C 
> is sorted in numerical order and makes the function select the value 
> next below when there is no exact match.
Thanks Brian. I have use VLOOKUP but until your example had not realised 
the implications and usefulness of "select the value next below when 
there is no exact match"
Steve

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