Master Excel's Unique Value Counts: Advanced COUNTIF Techniques
Count Unique Values in a Range with COUNTIF and Beyond Counting unique values in Excel is a common task, but efficiency varies dramatically depending on your approach and data size. This guide explores several methods, comparing their strengths and weaknesses to help you choose the optimal technique. Do you find yourself consistently struggling with large datasets? Let's explore how to streamline your unique value counting process. The COUNTIF/SUMPRODUCT Method: A Classic Approach This method leverages the COUNTIF (counts occurrences of a specific value within a range) and SUMPRODUCT (performs array calculations) functions....