# 3.5.2.6 Countif

## Description

This function is used to count the number of values that satisfies a specified condition.

 double Countif(vector vd, string con$) ## Parameters vd is a vector in which you want to count the number. con$

is the condition you use to find a sub-range. Double quotation ("") must be added for the condition.

## Return

Return the count of values that satisfied the condition con\$.

## Example

newbook;
col(A) = data(1,32);
countif(col(A),"col(A) > 5 && col(A) < 10")=;//should return 4