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Explore the data
Describe the data, explore it and report on its quality.
For Data scientist · Knowledge pack
What do you want to know from your data?
One line is enough. Step 1 asks the rest in your AI app, and nothing is done until you approve the brief it writes.
In the case folder's materials/: Your data exports (CSV or spreadsheets) and any metric definitions, or a connected warehouse.
The 3 steps
- 01
Agree the definitions and plan
Then you approve, before the next step starts.
- 02
Compute with code
- 03
Explain and write up
How it does this well
One analyst, every number from code. Not found and out of scope are valid answers here: it says so instead of guessing.
- How the field does this well
- Use the person's governed definitions; when a question falls outside them, say it is not defined rather than improvising a join.
- Compute every number with code that reruns from the raw files; never type a number.
- Write the plan first, run it step by step, and keep known data quality facts and statistical guardrails in one rules file.
- Check numbers deterministically: a judge accepts near misses that code rejects.
- Ground it first
Ask for, or look in materials/ for: the metric definitions (a semantic layer, a definitions doc or a dbt project) and the known data quality issues. If there is none, say plainly that the result rests on general defaults, and name them.
- What stays with the person
Choosing between competing definitions and deciding whether a result is decision grade. Prepare these; never decide them.
- The check that makes it trustworthy
Every reported number traces to a named definition and a script that reruns, and out of scope questions are answered as not defined here.
- The person's own data
If the person has connected BigQuery (managed remote), Snowflake, Databricks, Postgres, dbt, Amplitude, Mixpanel, PostHog, Google Analytics 4, Looker, Metabase, Hex, Tableau, Power BI, read their data through that connector instead of asking for exports, and say which source each number or fact came from. Without one, work from materials/.
Where things stay
- On your computer
- Your files in materials/, every result in outputs/, the work itself. It runs in your AI app, on the plan you already pay for.
- With Cheatcode
- The steps, the gates and how far each case has come, so a case survives closing the app. See your cases.