AI Ninja Program
Cyan eye
— Data & observation. See what the model sees.
Purple eye
— Intelligence & intuition. Think like a network.
Neural bridge
— Connecting data to decisions.
Hood & headband
— The ninja identity. Mastery through practice.
Orbiting nodes
— Data in motion. Always learning.
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What is Machine Learning?
What is Machine Learning?
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0 of 10 steps completed
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~100 min · Learn by doing, not reading
1
What is Machine Learning?
Data, features, and labels — the ML vocabulary
2
Pixels Are Numbers
Draw a digit, see what the model sees
3
Spot the Difference
Models see differences, not images
4
Dataset Shape
1,797 samples x 64 features
5
Useless Pixels
Zero-variance features
6
Class Balance
Not all classes are equal
7
Accuracy Trap
When 99% accuracy is a lie
99%
8
Average Digits
Prototype confusion
9
Pixel Importance
Which features matter?
10
Model's Eye View
Just numbers in a row
0 5 13 9 1
0 13 15 10 15
3 15 2 0 11
4 12 0 0 8