'Create an index column in Power BI

I want to create a index column in Power BI but that column must have a string and a number. For example: c1,c2,c3... and not just 1,2,3...

Does anyone know how to solve this problem?

Thank you



Solution 1:[1]

Add the index column in Power Query, then choose Add Column From Examples, and enter a few values for the new column. Power Query will figure out the calculated column formula for you. You can then remove the initial index column and rename the new index column.

Sources

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Source: Stack Overflow

Solution Source
Solution 1 David Browne - Microsoft