Exercise 1 — Build the feature table

Guided practice8 min
Time
30-40 min
You need
the kit, the venv active, python data/make_dataset.py done
Deliverable
the file data/features.csv, 14,400 rows and 18 columns

The lab kit of the course: https://github.com/hrhouma2/aiopsatlas-ml-data-diagnostics-labs-en

Goal

NorthPeak has two clean tables: one row per machine in machines.csv, one row per machine per day in readings.csv. A model needs one table. Today you build it. You join the two files, add the machine age, encode the type, and create four columns that compare each reading with the machine's own past. You save the result as data/features.csv. Every week from now on reads this file. Build it exactly as described, so your numbers match the course.

Preview — the rest of the lesson is for enrolled readers.

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This lesson is part of the “Week 4 — Data preparation and dataset separation” module

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