Google-sheets – How to sum a range based on a condition

You can use the SUMIF function to calculate the total sum for each person.

If you enter the following formula in a cell you like, it will give you the total amount spent by "Me":

=SUMIF(A2:A6,"=Me",B2:B6)

where A2:A6 is the Range, "=Me" is the Criteria, and B2:B6 is the Sum_Range.

The function VLOOKUP is only usable within a spreadsheet. This means that you use sheets !! Therefore I created a sample, based on sheets.

If you want to use spreadsheets however, then study the IMPORT function or Google Apps Script.

Remarks to the example:

1. I've created a table like the wiki page you included, with the calculated total. You can hide this sheet and lock it for updates, for anyone but you.
2. Pay attention to sheet 2, cell A11.
3. I've hidden rows 1 to 10 to make the autocomplete function to work.
4. See B1 in sheet 2, how it's done.

File I prepared with working example

Adding a sample of you own, helps a great deal to better understand what you mean !!

UPDATE: I've added edit rights to the example file I created, so you can play with it. Changed the names as well, each now being different (makes the auto-complete function work)