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Most of the basic examples I presented earlier in this chapter use functions or formulas that perform conditional counting. The advanced counting formulas that I present here represent more complex examples for counting worksheet cells, based on various types of criteria.

Note

Some of these examples are array formulas.

#### Counting cells by using the COUNTIF function

Excel’s COUNTIF function is useful for single-criterion counting formulas. The COUNTIF function takes two arguments:

• range: The range that contains the values that determine whether to include a particular cell in the count

• criteria: The logical criteria that determine whether to include a particular cell in the count

Table 17-2 lists several examples of formulas that use the COUNTIF function. These formulas all work with a range named Data. As you can see, the criteria argument proves quite flexible. You can use constants, expressions, functions, cell references, and even wildcard characters (* and ?).

 =COUNTIF(Data,12) Returns the number of cells containing the value 12 =COUNTIF(Data,"<0") Returns the number of cells containing a negative value =COUNTIF(Data,"<>0") Returns the number of cells not equal to 0 =COUNTIF(Data,">5") Returns the number of cells greater than 5 =COUNTIF(Data,A1) Returns the number of cells equal to the contents of cell A1 =COUNTIF(Data,">"&A1) Returns the number of cells greater than the value in cell A1 =COUNTIF(Data,"*") ...

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