Track quiz
Before the questions, here is each idea in one line to keep.
| Idea | The line to keep |
|---|---|
| Guess a number | Regression learns from past numbers and guesses a new number. |
| Group with no labels | Clustering finds groups in things with no labels. What it compares decides the groups. |
| Three kinds of guess | Ask what comes out. A named group is classification. A number to guess, like a price, is regression. Groups found with no labels are clustering. |
| What a dataset holds | A dataset is a set of records. Each record is described by attributes. One way to name a dataset is by what it holds. |
| Structured or unstructured data | Structured data fits rows and columns. Unstructured data does not. A dataset with both is hybrid. |
| Train, check, test | Train on one part. Improve with a second. Test on a third it never saw. |
A program learns from past petrol bills. It guesses next month's bill in rupees. What is that?
A line drawn through the cycle dots misses some of them. What does that tell you?
A program groups 200 unmarked leaf photos by how alike they look. What did nobody give it?
Buttons are grouped by size. The same buttons are then grouped by holes. The groups change. Why?
A program learns from photos marked ripe or unripe. It marks a new photo. Which kind of guess is that?
A program says a match will be won or lost. A learner calls that regression. What is the fix?
Each row of a rain table is one day. What is one row called?
A lake's water level is measured every morning for a year. Which kind of dataset is it?
A folder holds 300 phone videos. Which kind of data is it?
A form has a drop-down list and a comment box. What is its data?
A dataset is split in three. Which part gives the last fair score?
A team tests its model on the photos it trained on. It scores full marks. What can you say?
You can now name what a model guesses. You can name what it learned from. Next comes Data Science, Vision and Language.