Top "Apriori" questions

Apriori is a seminal algorithm for frequent pattern mining and it can also refer to an association rule mining algorithm.

Load a dataset into R with data() using a variable instead of the dataset name

I am trying to load a dataset into R using the data() function. It works fine when I use the …

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r dataset apriori arules
How to find the minimum support in Apriori algorithm

When the percentage values of support and confidence is given how can I find the minimum support in Apriori algorithm. …

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data-mining apriori
How to calculate support/ confidence and lift for merged itemsets like {A}->{B,C}

I have a list of itemsets of {A_i}->{X}. Like: {A}->{X} {A}->{…

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database apriori
How to get items for both LHS and RHS for only specific columns in arules?

Within the apriori function, I want the outcome to only contain these two variables in the LHS HouseOwnerFlag=0 and HouseOwnerFlag=1. …

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r apriori arules
Writing rules generated by Apriori

I'm working with some large transactions data. I've been using read.transactions and apriori (parts of the arules package) to …

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r data-mining apriori arules
Supermarket dataset for Apriori algorithm

'I have to develop a software which is meant for Business Analyst of “Future Stores” Supermarket, the software performs the …

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dataset integration-testing data-mining apriori
Minimum confidence and minimum support for Apriori

What are appropriate values for minimum confidence and minimum support values for the Apriori algorithm? How could you tweak them? …

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algorithm parameters data-mining apriori
Sorting Association Rules in R

I'm trying to accomplish the goals stated below and have oodles of errors. I've spent a lot of time trying …

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r sorting indexing apriori arules
convert data frame in r to transactions or an itemMatrix?

I have a data that in data.frame format I want to convert it into transactions or an itemMatrix. Inspects …

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r dataframe apriori
Difference between Closed and open Sequential Pattern Mining Algorithms

I want to use some algorithms to mine my log data. I found a pattern mining framework on: http://www.…

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pattern-matching data-mining sequential apriori