macro or logic to remove duplicates by time/date

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Mehow

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Joined
Feb 23, 2018
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15
I’ve got a problem with removing duplicates from set of data

Column A is a client
Column B is a product
Column C is the date when it’s effective

What I want to do is few steps which I can’t figure out how tocombine:

  1. Sort by columnC – Newest to oldest
  2. Removeduplicate rows – here’s the tricky part
Column A & B aregoing to be duplicates – for example 10 products per client, so each clientwill have 10duplicates in column B

Below is what I want to happen (which I do manually now)
Some macro or logic to remove the duplicates based on the Newestdate – but to differentiate between column A&B

[TABLE="width: 464"]
<colgroup><col width="45" style="width: 34pt; mso-width-source: userset; mso-width-alt: 1645;"> <col width="127" style="width: 95pt; mso-width-source: userset; mso-width-alt: 4644;"> <col width="100" style="width: 75pt; mso-width-source: userset; mso-width-alt: 3657;"> <col width="75" style="width: 56pt; mso-width-source: userset; mso-width-alt: 2742;"> <col width="45" style="width: 34pt; mso-width-source: userset; mso-width-alt: 1645;"> <col width="127" style="width: 95pt; mso-width-source: userset; mso-width-alt: 4644;"> <col width="100" style="width: 75pt; mso-width-source: userset; mso-width-alt: 3657;"> <tbody>[TR]
[TD="width: 45, bgcolor: transparent"]client[/TD]
[TD="width: 127, bgcolor: transparent"]sku[/TD]
[TD="width: 100, bgcolor: transparent"]effective date[/TD]
[TD="width: 75, bgcolor: transparent"][/TD]
[TD="width: 45, bgcolor: transparent"]client[/TD]
[TD="width: 127, bgcolor: transparent"]sku[/TD]
[TD="width: 100, bgcolor: transparent"]effective date[/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]A[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]7/2/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"]A[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]7/2/2018[/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]A[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]4/2/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"]B[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]10/1/2018[/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]A[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]1/15/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"]C[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]11/1/2018[/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]A[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]9/25/2017[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"]D[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]10/1/2018[/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]A[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]1/3/2017[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"]E[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]10/1/2018[/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]B[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]10/1/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"]F[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]10/1/2018[/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]B[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]7/2/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"]A[/TD]
[TD="bgcolor: transparent"]CHAMM075XX04[/TD]
[TD="bgcolor: transparent"]7/2/2018[/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]B[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]4/2/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"]B[/TD]
[TD="bgcolor: transparent"]CHAMM075XX04[/TD]
[TD="bgcolor: transparent"]10/1/2018[/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]B[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]2/1/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"]C[/TD]
[TD="bgcolor: transparent"]CHAMM075XX04[/TD]
[TD="bgcolor: transparent"]11/1/2018[/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]B[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]9/25/2017[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"]G[/TD]
[TD="bgcolor: transparent"]CHAMM075XX04[/TD]
[TD="bgcolor: transparent"]10/1/2018[/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]B[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]6/1/2017[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]C[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]11/1/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]C[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]6/1/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]C[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]5/1/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]C[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]4/2/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]D[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]10/1/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]D[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]7/2/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]E[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]10/1/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]E[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]7/2/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]E[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]4/1/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]E[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]1/8/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]E[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]10/2/2017[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]E[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]10/1/2016[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]E[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]4/1/2016[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]F[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]10/1/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]F[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]7/2/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]F[/TD]
[TD="bgcolor: transparent"]CHAMM075X703[/TD]
[TD="bgcolor: transparent"]4/2/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]A[/TD]
[TD="bgcolor: transparent"]CHAMM075XX04[/TD]
[TD="bgcolor: transparent"]7/2/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]A[/TD]
[TD="bgcolor: transparent"]CHAMM075XX04[/TD]
[TD="bgcolor: transparent"]4/2/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]A[/TD]
[TD="bgcolor: transparent"]CHAMM075XX04[/TD]
[TD="bgcolor: transparent"]1/15/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]B[/TD]
[TD="bgcolor: transparent"]CHAMM075XX04[/TD]
[TD="bgcolor: transparent"]10/1/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]B[/TD]
[TD="bgcolor: transparent"]CHAMM075XX04[/TD]
[TD="bgcolor: transparent"]7/2/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]B[/TD]
[TD="bgcolor: transparent"]CHAMM075XX04[/TD]
[TD="bgcolor: transparent"]4/2/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]B[/TD]
[TD="bgcolor: transparent"]CHAMM075XX04[/TD]
[TD="bgcolor: transparent"]2/1/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]B[/TD]
[TD="bgcolor: transparent"]CHAMM075XX04[/TD]
[TD="bgcolor: transparent"]9/25/2017[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]B[/TD]
[TD="bgcolor: transparent"]CHAMM075XX04[/TD]
[TD="bgcolor: transparent"]6/1/2017[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]C[/TD]
[TD="bgcolor: transparent"]CHAMM075XX04[/TD]
[TD="bgcolor: transparent"]11/1/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]C[/TD]
[TD="bgcolor: transparent"]CHAMM075XX04[/TD]
[TD="bgcolor: transparent"]6/1/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]C[/TD]
[TD="bgcolor: transparent"]CHAMM075XX04[/TD]
[TD="bgcolor: transparent"]5/1/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]C[/TD]
[TD="bgcolor: transparent"]CHAMM075XX04[/TD]
[TD="bgcolor: transparent"]4/2/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]G[/TD]
[TD="bgcolor: transparent"]CHAMM075XX04[/TD]
[TD="bgcolor: transparent"]10/1/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
[TR]
[TD="bgcolor: transparent"]G[/TD]
[TD="bgcolor: transparent"]CHAMM075XX04[/TD]
[TD="bgcolor: transparent"]7/2/2018[/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[TD="bgcolor: transparent"][/TD]
[/TR]
</tbody>[/TABLE]


The data on the right Is filtered like it should.

any clues :)?
 

Excel Facts

Back into an answer in Excel
Use Data, What-If Analysis, Goal Seek to find the correct input cell value to reach a desired result
Sort by date Sort by votes
Once you have sorted the data, just use remove duplicates. Select all 3 columns, but only select columns a and b for the duplicate check. As the data is in the right order, the first (i.e. newest) will be retained. If you want the result to look like your example, then copy the source data into the result columns and do the remove duplicates there.
 
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