What are the different pattern evaluation measures in data mining?
data,data-mining,market-basket-analysis
You can try Association Rules (apriori for example), Collaborative Filtering (item-based or user-based) or even Clustering. I don't know what you are trying to do, but if you have a data-set and you need to find the most frequent item-set you should try some of the above techniques. If you're...
Convert from Single/Stack to Basket
Picking up where @MrFlick left off, if you want to convert your rows to columns, you can do so, but you'll need to add a "time" variable to your data first. This is easily done with getanID from my "splitstackshape" package. From there, you can use your preferred method to...
Support results in association rules are less than 5%
sas,market-basket-analysis,enterprise-miner
Can you check the highest frequency count of any product in the productid column and get 5% value of that that frequency count. The number you get should be the threshold transaction count till which enterprise miner should be showing you the result. Support percentage is based on the maximum...
R - How do i prune all subsets of my super-rule in market basket analysis
r,data-mining,apriori,market-basket-analysis
I was able to solve my problem through this source code. Basically, what it does is sorts the entire rules using size of the source code and finds all the subsets of the rules for a particular target. Once we have a matrix with the subsets, i remove all the...