Friday, September 23, 2016

count number of specific values in colum B from select value in column A

count number of specific values in colum B from select value in column A

Small example of bigger spreadsheet - looking to get formula that counts only the amount of #1's & 2's for just item"A" in column A.
Have a summary grid of 15 different items so I want to be able to change item in select cell to produce desired result.
ITEM          number
a                  1   
a                  2
a                  1
a                  2
a                  1
b                  1
b                  2
b                  2
b                  2

Anwsers to the Problem count number of specific values in colum B from select value in column A

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for 1s and 2s only you can use
=sumproduct(($A$2:$A$100="a")*($B$2:$B$100=1))+sumproduct(($A$2:$A$100="a")*($B$2:$B$100=2))
where your data is in rows 2 to 100

Rgds Geoff

Manually editing the Windows registry to fix Error count number of specific values in colum B from select value in column A

Caution: Unless you an advanced computer 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.

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