In Power Query, there are also commands for keeping duplicates for selected columns or for the entire table. This will show you all the data that has a duplicate value.
First you will need to add a helper column that combines the data from any columns which you want to base your duplicate definition on. The above formula will concatenate all three columns into a single column. It uses the ampersand operator to join each column. If you have a long list of columns to combine, you can use the above formula instead. This way you can simply reference all the columns as a single range. You will then need to add another column to count the duplicate values.
This will be used later to filter out rows of data that appear more than once. Copy the above formula down the column and it will count the number of times the current value appears in the list of values above. If the count is 2 or more then the value has already appeared in the data and it is a duplicate value which can be removed. Now you can filter on the Count column. Filtering on 1 will produce all the unique values and remove any duplicates. You can then select the visible cells from the resulting filter to copy and paste elsewhere.
Just like the formula method, you need to add a helper column that combines the data from columns. Input the formula shown below in the C3 cell. Then, select the C3 cell and drag to copy the formula till C The result will appear as True or False.
Here, Range is column A, and the topmost cell for criteria is A3. Input the formula shown below in the D3 cell. Select the D3 cell and drag to copy the formula till D The result will appear in the count, i. If you want to filter or remove excel duplicates after finding them, the above formula will create some confusion as it marks True to all the identical records. Go to the Data tab in the Excel Ribbon.
Click on the Filter feature. To remove excel duplicates, click on the filter drop-down icon in the column header. Details required :. Cancel Submit. DaveM Independent Advisor. Hi David I think I know the error here When you click Expand Selection, you must make sure that B is the only column ticked - untick the rest of the columns.
How satisfied are you with this reply? Thanks for your feedback, it helps us improve the site. This site in other languages x. You can select more than one column using the CTRL button and remove the duplicates accordingly.
To remove the duplicate records based on the entire table, click on the button present on the top left corner of the data preview. In this write-up, we learned various approaches to delete duplicate records. It is a very tedious task to remove duplicates in Excel, and we hope this article has helped you learn how to eliminate duplicates efficiently. Our experts will get back to you on the same, at the earliest. Data Science vs. Data Analytics vs.
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