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Questions and Answers
What is the primary challenge in using a dendrogram to identify clusters?
What is the primary challenge in using a dendrogram to identify clusters?
- Handling missing values in the dataset
- Determining the correct distance metric
- Selecting the optimal number of clusters (correct)
- Dealing with high-dimensional data
Which type of data can be used with hierarchical clustering?
Which type of data can be used with hierarchical clustering?
- Only standardized data
- Only categorical data
- Only numerical data
- A mixed set of categorical and numerical data (correct)
Why is it important to standardize data before performing hierarchical clustering?
Why is it important to standardize data before performing hierarchical clustering?
- To improve the accuracy of the clustering algorithm
- To reduce the impact of outliers
- To reduce the dimensionality of the data
- To ensure that all variables are on the same scale (correct)
What is the primary goal of the case study on online perfume and cosmetic sales?
What is the primary goal of the case study on online perfume and cosmetic sales?
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How many customer segments were identified in the case study?
How many customer segments were identified in the case study?
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What is the annual revenue of the online perfume and cosmetic industry?
What is the annual revenue of the online perfume and cosmetic industry?
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What programming language was used to explore the data in the case study?
What programming language was used to explore the data in the case study?
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What is the primary benefit of using cluster analysis in the case study?
What is the primary benefit of using cluster analysis in the case study?
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What is the expected outcome of the market analysis in the case study?
What is the expected outcome of the market analysis in the case study?
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What is the role of the Chief Marketing Officer in the case study?
What is the role of the Chief Marketing Officer in the case study?
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