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What is the difference between sequential patterns and sequential rules?
Posted by:
Alicia
Date: October 11, 2019 10:49PM
Could you explain what is the difference between sequential patterns and sequential rules?
Re: What is the difference between sequential patterns and sequential rules?
Posted by:
webmasterphilfv
Date: October 16, 2019 07:00AM
Hi,
The key difference is that a sequential patterns is only evaluated using the support, while a sequential rule is also evaluated using a measure such as the confidence. This is because even if a sequential pattern appears many times, we dont have a measure of how correlated the items in the sequential patterns are. For a sequential rule X--Y, the confidence can be viewed as the conditional probability that X is followed by Y. My explanation is very brief. Hope that it helps.
Regards,
The key difference is that a sequential patterns is only evaluated using the support, while a sequential rule is also evaluated using a measure such as the confidence. This is because even if a sequential pattern appears many times, we dont have a measure of how correlated the items in the sequential patterns are. For a sequential rule X--Y, the confidence can be viewed as the conditional probability that X is followed by Y. My explanation is very brief. Hope that it helps.
Regards,