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Data Cleaning and Analysis Basics

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Python for Business Analysts: Office Automation and Data Science Basics · Data Cleaning and Analysis Basics

How to Create a Repeatable Data Cleaning Workflow in Python

Start with rules, not code A repeatable data cleaning workflow starts before you write a single line of Python. The mistake most analysts make is opening a CSV and immedi…

Python for Business Analysts: Office Automation and Data Science Basics · Data Cleaning and Analysis Basics

How to Filter, Sort, and Summarize Business Data With pandas

Start With a DataFrame That Looks Like Real Business Data If you want to filter sort summarize pandas data without getting lost, start with a table that looks like someth…

Python for Business Analysts: Office Automation and Data Science Basics · Data Cleaning and Analysis Basics

Why Dirty Data Ruins Dashboards and How to Fix It With Python

Dirty data problems don’t just look bad—they make dashboards lie Most dashboard failures don’t start in Tableau, Power BI, or Looker. They start upstream, in messy CSV fi…