Hello there! 👋 I'm Luca, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI ...

The syntax for counting the number of unique values from a list of a column using the array formula is as follows: =SUM(IF(COUNTIF(<first cell from which you count the number of unique values>:<last ...

when col2 or both col1 and col2 are of type 'category' instead of default type 'object'. Operation in EXAMPLE 1 runs around ~25 seconds on my computer (similar for 2019 Macbook Pro with Intel ...

Pandas is a library written for the Python programming language for data manipulation and analysis. In particular, it offers data structures and operations for manipulating numerical tables and time ...

The needful can be achieved using the COUNTIF function. You could either count the frequency of duplicates in Excel or the order of their occurrence in Excel. Count the frequency of duplicate values ...

How to conditionally count the number of times any value occurs in Excel Your email has been sent Specifying the conditional count of a value sounds like a daunting task, but two Excel functions make ...