Data Science & Analytics

Analysis, notebooks, visualization, pandas, statistics

283 bites

Test yourself: Top 30 Data Science & Analytics interview questions →Multiple choice, with the correct answer and why it is correct on every question. Free, no sign-in.

Everything in Data Science & Analytics, page 15

intermediate2 min read

The MECE Principle: No Overlaps, No Gaps

The MECE principle structures analysis with 'no overlaps, no gaps.' Use it to break down problems, segment users, or plan projects. The footgun is achieving one rule (exclusive categories) but not the other (covering all cases), leading to flawed conclusions.

easy2 min read

5 Whys: Find the Root Cause, Not the Symptom

The 5 Whys technique finds a problem's root cause by repeatedly asking "Why?" to trace a cause-and-effect chain. Use it in post-mortems to understand system failures. The footgun is blaming people instead of asking why the process allowed the error.

easy2 min read

Stakeholder Analysis: Mapping Influence and Interest

Stakeholder analysis maps your project's human landscape, plotting who is affected (interest) and who can affect its outcome (influence). It's used to anticipate needs and align on goals.

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