How to check for duplicate values within a column
Hello all,
I am working on a spreadsheet and I need to figure out how to define a unique string. In my sheet, column 1 is a list of classes offered at a school. So column 1 contains strings. There are several offerings of some classes and so the names of those classes show up more than once in the name column. I am trying to count the number of unique names of classes. So I need a way to filter out the doubles. Assume that I have the following table. How can I determine how many unique names are listed here? Table 1. Names Ages --------------------- Joe 12 Sally 13 Jim 12 Joe 11 Bob 16 Alex 14 Andy 14 Jude 5 Alex 8 Thanks for the help. Andrew |
How to check for duplicate values within a column
On 24 sep, 15:32, Andrew wrote:
Hello all, I am working on a spreadsheet and I need to figure out how to define a unique string. In my sheet, column 1 is a list of classes offered at a school. So column 1 contains strings. There are several offerings of some classes and so the names of those classes show up more than once in the name column. I am trying to count the number of unique names of classes. So I need a way to filter out the doubles. Assume that I have the following table. How can I determine how many unique names are listed here? Table 1. Names Ages --------------------- Joe 12 Sally 13 Jim 12 Joe 11 Bob 16 Alex 14 Andy 14 Jude 5 Alex 8 Thanks for the help. Andrew I'll assume "Joe" is in A3: In C4, type =IF(ISERROR(VLOOKUP(A4;A$3:A3;1;FALSE));"";"Double ") drag the formula down. On every second count of a double, collumn D should say "Double". |
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