Google Sheets - Count Duplicate or Unique Values
Google スプレッドシート COUNTUNIQUE 関数 | 一意の値をカウント | Google スプレッドシート関数
Googleスプレッドシートで一意の値をカウントする方法【簡単な例】
How to Count the Number of Occurrences of a Value in a Column in Google Sheets
How to count unique values Excel
How to Count Unique Values in Google Sheets
Count Unique Values with Multiple Criteria Using FILTER and UNIQUE in Excel/Google Sheets
How to count unique values with criteria in Excel - Count unique items based on condition
Sum Values based on Other Cells | Google Sheets
Google Sheets - Sum or Count Values Based on Cell Color
Countifs Google Sheets with a Practical Example | Best Functions and Formulas