Career & business
Data analysis methods: from business question to decision
Conversion falls while group rates stay unchanged. A shop example shows how to choose an analytical method and establish what remains unknown.
Tag
data analysis
KajoData articles about data analysis. Practical knowledge about data analysis, tools and careers.
Articles: 7
Career & business
The Backend of Analytics, Career Switching, and the Meaning of Working with Data
What is backend data analytics and why dashboards alone are not enough? A deep interview on BI, data engineering, AI, and career switching.
Career & business
Data Cleaning Is the Foundation of Data Analysis. Why Data Analysis Is Actually Hard
Data cleaning is the foundation of data analysis. Learn why cleaning data takes so much time and how poor data quality breaks analysis and reporting.
Career & business
Data analyst collaboration: 6 behaviours that make work harder
I look at observable behaviour rather than labels: what blocks a team, how to discuss it and how to check improvement. With examples of feedback, knowledge transfer and reviewing your own habits.
Career & business
How to Analyze Election Polls – Understanding Statistical Error and Why Polls Can Be Wrong
Learn how election polls really work. What does the margin of error mean, why can 1,000 people represent a whole country, and why polls sometimes get it wrong.
Career & business
AI and the Future of Data Analysis: Will AI Replace Data Analysts?
Explore the transformative potential of AI in the realm of data analysis. Discover whether AI will replace data analysts or if it will simply reshape the role.
Career & business
Beginner data analyst mistakes: how to recognise and correct them
Knowing a tool can feel like independent analysis. I show how to check your foundations, limit a project and explain a result whose limitations you understand.