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Iris Dataset
hard

In the context of the Iris dataset, the feature that is most commonly used for distinguishing between the species based on petal measurements is the __________.

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Learning Path
Learning Path

Question & Answer
1
Understand Question
2
Review Options
3
Learn Explanation
4
Explore Topic

Choose AnswerChoose the Best Answer

A

Petal width

B

Sepal length

C

Sepal width

D

Petal length

Understanding the Answer

Let's break down why this is correct

Petal length changes a lot between the three species. Other options are incorrect because The width of the petals is not as different between species; The length of the sepals is fairly similar across species.

Key Concepts

Classification
Feature selection
Iris dataset
Topic

Iris Dataset

Difficulty

hard level question

Cognitive Level

understand

Deep Dive: Iris Dataset

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Definition
Definition

The Iris dataset is a well-known dataset introduced by Fisher in 1936, containing measurements of iris plants from three different species. It includes features like sepal length, sepal width, petal length, and petal width, making it a common choice for classification and clustering tasks.

Topic Definition

The Iris dataset is a well-known dataset introduced by Fisher in 1936, containing measurements of iris plants from three different species. It includes features like sepal length, sepal width, petal length, and petal width, making it a common choice for classification and clustering tasks.

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