Computing & AI Class 7
Three Kinds of Guess, and Their Data
Guess a number, group without labels, and split data into train, check and test.
9 lessons · ~59 min total
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Lessons in this topic
- 0 Start here A roadmap: guessing numbers, grouping, datasets and the split. · 3 min You are here
- 1 Guessing a number from past data Regression learns from past numbers and guesses a new number. · 7 min
- 2 Making groups when nobody gave labels Clustering finds groups in things with no labels. What it compares decides the groups. · 7 min
- 3 Named group, number or found groups? Sort a job by what comes out: group, number or found groups. · 7 min
- 4 What a dataset holds Records, attributes, and the five kinds of dataset by what they hold. · 8 min
- 5 Structured, unstructured or both? Structured fits rows and columns. Unstructured does not. Hybrid has both. · 7 min
- 6 Train, check, test Split data into training, validation and test sets. · 8 min
- 7 The big picture Six ideas: regression, clustering, kinds of guess, datasets, structure, split. · 4 min
- 8 Track quiz A cheat-sheet table, then twelve questions on the six ideas. · 8 min
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