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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Logistic Regression
Binary classification and decision boundaries
0%
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0 of 4 steps completed
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~90 min · Build a phishing URL classifier
1
From Regression to Classification
The sigmoid function and why linear regression fails for yes/no
2
Feature Engineering URLs
Turn raw URLs into numbers a model can learn from
http
://
host
.com/
path
?q
len
dot
digit
3
Train and Evaluate
Scaling, fitting, confusion matrix, classification report
4
Threshold Tuning
predict_proba() and the precision-recall tradeoff