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WorksheetsData mining-Clustering-1
Total questions: 7
Worksheet time: 5mins
Cluster analysis is ...................
Unsupervised Learning
Supervised learning
Semi supervised learning
None of these
Of the following identify the problems that can be solved by cluster analysis
Outlier Detection
Community detection in social network
Sales forecasting
Customer segmentation
Of the following what are the distance based clustering algorithms?
K-Means
K-Medoids
Hierarchical
DBSCAN
K-Means clustering is ........................ type clustering algorithm?
Distance based
Partition based
Density based
Hierarchical
Of the following what are the Density based clustering algorithms?
DBSCAN
OPTICS
BIRCH
CURE
Weblog data is __________________
Time series data
Sequence data
Streaming data
Categorical data
Which of the following statements are true?
Time series data can be sequence data but sequence data need not be Time series data
A Good clustering method will have high intra-class similarity and low inter-class similarity
Similarity measure is critical for cluster analysis
Biological sequence is a Time series data
