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Counting/Restart Count based on another column [closed]

asked 2014-03-10 15:26:50 +0100

Bryan Neff gravatar image

updated 2014-03-10 15:45:13 +0100

Hey all! Another question trying to make my life a little easier when converting databases.

Column A is existing information - Column B is the information I need created via formula.

In Column A, I have a series of 1's, then a series of 2's, etc. The number of 1's, 2's, etc can vary on the DB.

I need a formula for column B to number these from 1-x where x is the last before the start of of 2 in A.

For example:












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Closed for the following reason the question is answered, right answer was accepted by Alex Kemp
close date 2016-02-20 07:10:33.939856

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answered 2014-03-10 18:42:22 +0100

BasicMacro gravatar image

updated 2014-03-10 18:44:31 +0100

This only works if the numbers in column A are sorted.

  • Put 1 in cell B1 as this cell will never change.
  • In B2 put this formula.


How it works,

IF A1 = A2 THEN add 1 to the previous value in column B, ELSE reset the counter to 1.

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That works! Thank you.

Bryan Neff gravatar imageBryan Neff ( 2014-03-10 19:13:32 +0100 )edit

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Asked: 2014-03-10 15:26:50 +0100

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Last updated: Mar 10 '14