Countif with duplicate data in another column
I need to count ethnicity from one column, but it could be a duplicate patient.
In this example I would need the formula to return 2 Orange instead of 3 orange, because one of those is a duplicate record. I used this formula to get the individual number of patients =COUNT(IF(FREQUENCY('[HIV Report.xls]HIV Report'!$B:$B,'[HIV Report.xls]HIV
Report'!$B:$B)>0,1)) and it worked great.
How can I find unique patients when the duplicate criteria is in another column?
Solutions to the Problem Countif with duplicate data in another column
Manually editing the Windows registry to fix Error Countif with duplicate data in another column
Caution: Unless you an advanced PC user, we DO NOT recommend editing the Windows registry manually. Using Registry Editor incorrectly can cause serious problems that may require you to reinstall Windows. We do not guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.
- Click the Start button.
- Type "command" in the search box... DO NOT hit ENTER yet!
- While holding CTRL-Shift on your keyboard, hit ENTER.
- You will be prompted with a permission dialog box.
- Click Yes.
- A black box will open with a blinking cursor.
- Type "regedit" and hit ENTER.
- In the Registry Editor, select the Error 0x9C-related key (eg. Windows Operating System) you want to back up.
- From the File menu, choose Export.
- In the Save In list, select the folder where you want to save the Windows Operating System backup key.
- In the File Name box, type a name for your backup file, such as "Windows Operating System Backup".
- In the Export Range box, be sure that "Selected branch" is selected.
- Click Save.
- The file is then saved with a .reg file extension.
- You now have a backup of your MACHINE_CHECK_EXCEPTION-related registry entry.
Recommended Method to Repair the Problem: Countif with duplicate data in another column:
How to Fix Countif with duplicate data in another column with SmartPCFixer?
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