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Data Analysis for ML/AI

Data sources and formats

Where data comes from and the formats you'll meet: CSV, JSON, Parquet, SQL, APIs.

5 lessons Follow in order
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Lessons in sequence

Work through these in order—each lesson builds on the previous one.

  1. Lesson 1 of 5

    CSV and TSV — the universal table format

    Enroll to open · 10 min read

  2. Lesson 2 of 5

    JSON and JSON-lines

    Enroll to open · 10 min read

  3. Lesson 3 of 5

    Parquet and columnar formats

    Enroll to open · 11 min read

  4. Lesson 4 of 5

    Databases and SQL

    Enroll to open · 10 min read

  5. Lesson 5 of 5

    APIs and streaming sources

    Enroll to open · 10 min read

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