Data Science for Beginners

Learn data science from zero with Python and pandas: ask a good question, clean messy data, find what's normal, spot real patterns and tell an honest data story.

by Teyro

50 lessons
5 units
9h 45m
Up to 850 XP

I wrote this one myself. Start now and I'll count your streak from lesson one.

What you'll learn

Write your first Python and load a dataset with pandas
Clean messy data: duplicates, blanks, typos and wrong types
Use means, medians, rates and groupby without being fooled
Filter, sort and compare groups fairly
Tell correlation from causation
Present a clear, honest data story

Course path

5 units · 50 lessons

One in three10 min · InteractiveFree+10 XP
Is it really 1 in 3?10 min · InteractiveFree+10 XP
Six drivers11 min · InteractiveFree+10 XP
Opening the file11 min · InteractiveFree+10 XP
Checkpoint: 400 rows12 min · InteractiveFree+20 XP
Thirteen columns11 min · InteractiveFree+10 XP
Count, don't guess11 min · InteractiveFree+10 XP
A better question12 min · InteractiveFree+10 XP
Numbers and words11 min · InteractiveFree+10 XP
Challenge: the question on the wall13 min · InteractiveFree+20 XP
Unit 1 chestFinish every lesson in this unit+50 XP

408, not 40011 min · Interactive
A health check11 min · Interactive
Saved twice11 min · Interactive
The six blanks12 min · Interactive
Checkpoint: 394 rows12 min · Interactive
Nairobi, NAIROBI, nairobi11 min · Interactive
161 km11 min · Interactive
The 99-day delivery12 min · Interactive
Never touch the original12 min · Interactive
Challenge: 393 clean rows14 min · Interactive
Unit 2 chestFinish every lesson in this unit+50 XP

Teyro Original · Chapter 1 free, then Teyro Pro

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