Web Reference: May 7, 2019 · To create a new column, use the square brackets [] with the new column name at the left side of the assignment. Sep 29, 2025 · In this article, we’ll explore different ways to create a new column in a Pandas DataFrame based on existing columns. This is a common task in data analysis when you need to transform or categorize your data. We can use case_when method to create a new column using a switch statement. First, assign a column with the default value ('Other' in the example in the OP), and then replace values in this new column using a list of (condition, replacement value) tuples.
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How to use SELECTCOLUMNS and ADDCOLUMNS to generate new tables in Power BI // Beginners Guide
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How to add a new Column or Data in Power BI Table which is created using Enter Data Option
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How To create New Column in Python Pandas DataFrame by Applying Condition on Numeric Column
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How to Create a New Column Based on Existing Columns in a DataFrame
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When to add a MEASURE and when to add a Column in DAX
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How to create custom columns | Getting started with Metabase
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Creating New Column in Power BI Table Based on Previous Row Value Condition
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Power BI: Create a Custom Column that Performs a Calculation

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