Formula: count co occurrence of elements of 2 columns in one row.


New Member
Apr 1, 2019
Dear community,

I need a formula that would count how many times an element of one column co-occurs with another element in each row. The input is represented in Figure 1. The result (see Figure 2) could look as follows. The formula counts how many times H* co-occurs with n and p. In this case, it would be 1 for n and 2 for p. The same calculation would be performed with L+H*. I think that the countifformula can be applied here however, I do not know how to create a link between the two elements, n and p.

=COUNTIF(F2:F343; "H*"//how to link it with p/n?).

I am glad about every feedback and would be very grateful if you could help me. I work with a rather big data bank and. It is barely possible to count the elements manually and without making a mistake.

Figure 1:
pre-nuclear/ nuclearSymbol


Figure 2:



MrExcel MVP, Moderator
Jun 12, 2014
Office Version
Hi & welcome to MrExcel.
How about

<b>Excel 2013/2016</b><table cellpadding="2.5px" rules="all" style=";background-color: rgb(255,255,255);border: 1px solid;border-collapse: collapse; border-color: rgb(187,187,187)"><colgroup><col width="25px" style="background-color: rgb(218,231,245)" /><col /><col /><col /><col /><col /><col /></colgroup><thead><tr style=" background-color: rgb(218,231,245);text-align: center;color: rgb(22,17,32)"><th></th><th>A</th><th>B</th><th>C</th><th>D</th><th>E</th><th>F</th></tr></thead><tbody><tr ><td style="color: rgb(22,17,32);text-align: center;">1</td><td style="font-weight: bold;;">pre-nuclear/ nuclear</td><td style="font-weight: bold;;">Symbol</td><td style="text-align: right;;"></td><td style="font-weight: bold;;">Symbol</td><td style=";">n</td><td style=";">p</td></tr><tr ><td style="color: rgb(22,17,32);text-align: center;">2</td><td style=";">p</td><td style=";">H*</td><td style="text-align: right;;"></td><td style=";">H*</td><td style="text-align: right;;">1</td><td style="text-align: right;;">2</td></tr><tr ><td style="color: rgb(22,17,32);text-align: center;">3</td><td style=";">n</td><td style=";">L+H*</td><td style="text-align: right;;"></td><td style=";">L+H*</td><td style="text-align: right;;">1</td><td style="text-align: right;;">1</td></tr><tr ><td style="color: rgb(22,17,32);text-align: center;">4</td><td style=";">p</td><td style=";">H*</td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td></tr><tr ><td style="color: rgb(22,17,32);text-align: center;">5</td><td style=";">p</td><td style=";">L+H*</td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td></tr><tr ><td style="color: rgb(22,17,32);text-align: center;">6</td><td style=";">n</td><td style=";">H*</td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td><td style="text-align: right;;"></td></tr></tbody></table><p style="width:3.2em;font-weight:bold;margin:0;padding:0.2em 0.6em 0.2em 0.5em;border: 1px solid rgb(187,187,187);border-top:none;text-align: center;background-color: rgb(218,231,245);color: rgb(22,17,32)">Data</p><br /><br /><table width="85%" cellpadding="2.5px" rules="all" style=";border: 2px solid black;border-collapse:collapse;padding: 0.4em;background-color: rgb(255,255,255)" ><tr><td style="padding:6px" ><b>Worksheet Formulas</b><table cellpadding="2.5px" width="100%" rules="all" style="border: 1px solid;text-align:center;background-color: rgb(255,255,255);border-collapse: collapse; border-color: rgb(187,187,187)"><thead><tr style=" background-color: rgb(218,231,245);color: rgb(22,17,32)"><th width="10px">Cell</th><th style="text-align:left;padding-left:5px;">Formula</th></tr></thead><tbody><tr><th width="10px" style=" background-color: rgb(218,231,245);color: rgb(22,17,32)">E2</th><td style="text-align:left">=COUNTIFS(<font color="Blue">$B$2:$B$6,$D2,$A$2:$A$6,E$1</font>)</td></tr></tbody></table></td></tr></table><br />

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