Free Online

Data Preparation Courses and Certifications

Master data cleaning, transformation, and ETL processes using Excel, Python, Alteryx, and Power BI to prepare datasets for analysis and machine learning. Build essential skills through hands-on courses on DataCamp, Coursera, and Udemy, from basic data wrangling to advanced preparation for AI applications.

1,176 courses
Showing 1,176 courses
Filter by
Filters
  1. Level
  2. Duration
  3. Language
    • Coursera
    • 1 day 6 hours 19 minutes
    • Self-Paced
    • Paid Course
    • Coursera
    • 4 weeks, 1 hour/week
    • Self-Paced
    • Paid Course
    • 3 courses
    • Coursera
    • 1 day 1 hour 5 minutes
    • Self-Paced
    • Paid Course
    • Coursera
    • 8 hours 45 minutes
    • Self-Paced
    • Paid Course
    • Coursera
    • 4 weeks, 10 hours/week
    • Self-Paced
    • Paid Course
    • 4 courses
    • Coursera
    • 8 hours 39 minutes
    • Self-Paced
    • Paid Course
    • Coursera
    • 5 hours 15 minutes
    • Self-Paced
    • Paid Course
    • Coursera
    • 5 hours 9 minutes
    • Self-Paced
    • Paid Course
    • Coursera
    • 8 hours 14 minutes
    • Self-Paced
    • Paid Course
    • Coursera
    • 2 hours 30 minutes
    • Self-Paced
    • Paid Course
    • Coursera
    • 4 hours 14 minutes
    • Self-Paced
    • Paid Course
    • Coursera
    • 2 hours 52 minutes
    • Self-Paced
    • Paid Course
    • Coursera
    • 5 weeks, 1 hour a week
    • Self-Paced
    • Paid Course

Never Stop Learning.

Get personalized course recommendations, track subjects and courses with reminders, and more.

Someone learning on their laptop while sitting on the floor.