Final answer:
To compare two columns in Excel and count matches, use an IF formula for row-by-row comparison, then use the COUNTIF function to tally the matches.
Step-by-step explanation:
To compare two columns in Excel and count matches, you can use a combination of the IF and COUNTIF functions. Create a new column to perform a comparison for each row. Use the formula =IF(A2=B2, 1, 0) if you're comparing cells A2 and B2. Drag this formula down to apply it to all rows. Then, use the COUNTIF function at the bottom to count all the '1's, which represent matches. The complete formula will look like =COUNTIF(C:C, 1) if C is your comparison column.
To compare two columns in Excel and count matches, you can use the COUNTIF function. This function counts the number of cells that meet a specified condition. In this case, the condition would be that the corresponding cells in the two columns are equal. Here's an example:
=COUNTIF(A1:A5, B1:B5)
This formula will compare the cells in columns A and B from row 1 to row 5, and count the number of matches.