Prof by Lex AI Labs — home
Profby Lex AI
EARLY ACCESS

Shipping daily.

Last shippedMAY 20

New curriculum map — see how all 7 courses build on each other, search any lesson with /.

View what’s new→
COMING NEXT
  • Adaptive quizzes
  • Tutor v2.0
  • More company interview guides
  • Voting board for content
Request a feature or report a bug→
CurriculumPracticeFor OrganizationsPricing
Sign InStart Learning
← Practice

classical-ml

10 problems

  • AdaBoost fit (decision stumps)Medium
  • Bernoulli Naive Bayes classifierMedium
  • Best Gini-based split (decision tree)Medium
  • DBSCAN clusteringMedium
  • Decision tree learning (ID3)Hard
  • Divide dataset by feature thresholdEasy
  • K-means: one iterationMedium
  • k-NN classification (majority vote)Easy
  • Linear regression — normal equationMedium
  • Pegasos kernel SVMMedium