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Association Rule Learning

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Generalized Sequential Pattern (GSP) Algorithm

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Key Characteristics: GSP is an algorithm for sequential pattern mining that handles time constraints, taxonomies (hierarchical relationships), and itemsets of various lengths. Example Use Case: Sequence analysis in retail, like identifying sequences of products purchased consecutively over periods of time.

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RuleGrowth Algorithm

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Key Characteristics: RuleGrowth is an algorithm designed for discovering sequential rules in sequences. This algorithm can identify rules with confidence and support above user-specified thresholds. Example Use Case: Detecting patterns in customer shopping sequences to optimize product placement.

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FP-Growth Algorithm

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Key Characteristics: The FP-Growth Algorithm is used for mining the complete set of frequent itemsets without candidate generation, using a compressed representation of the database called the FP-tree (Frequent Pattern Tree). Example Use Case: Analyzing website browsing patterns to improve webpage layout and user experience.

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Apriori Algorithm

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Key Characteristics: This is an influential algorithm for mining frequent itemsets for boolean association rules. It uses a breadth-first search strategy to count the support of itemsets and uses a candidate generation function which exploits the downward closure property of support. Example Use Case: Market Basket Analysis to identify customer purchase patterns by finding associations between different items purchased.

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Eclat Algorithm

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Key Characteristics: Eclat stands for Equivalence Class Clustering and bottom-up Lattice Traversal. It is a depth-first search algorithm that uses a vertical database format. Eclat counts common prefixes to improve efficiency over Apriori. Example Use Case: Identifying gene co-expression patterns in bioinformatics data.

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CMRules Algorithm

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Key Characteristics: CMRules is an algorithm for mining associative classification rules within a transactional database. It focuses on identifying class association rules (CARs) for classification purposes. Example Use Case: Customer segmentation for personalized marketing campaigns based on transaction data.

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