Practice Detection Techniques - 2.6.1 | 2. Data Wrangling and Feature Engineering | Data Science Advance
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Detection Techniques

2.6.1 - Detection Techniques

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does a box plot allow you to visualize?

💡 Hint: Think about what features are depicted in the box plot.

Question 2 Easy

What is considered an outlier in the Z-score method?

💡 Hint: Recall the relation of Z-scores to the mean.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What do box plots effectively show?

Mean and mode
Distribution and outliers
Standard deviation

💡 Hint: Think of the key features of a box plot.

Question 2

True or False: A Z-score of 2 indicates an outlier.

True
False

💡 Hint: Recall the significance of Z-scores.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Using a provided dataset, create a function to detect outliers with Z-scores and IQR methods. Explain the findings.

💡 Hint: Utilize libraries like NumPy or Pandas for calculations.

Challenge 2 Hard

Analyze a dataset where some features have different distributions. Discuss how you would choose between Z-score and Isolation Forest methods.

💡 Hint: Think about the shortcomings of each method.

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Reference links

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