SQL databases play little role in data mining. (That is, unless you consider computing various business reports involving averages as “data mining”, IMHO these should at most be called “business analytics”). The reason is that the advanced statistics performed for data mining can’t be accelerated by the database indexes. And usually, they also take much … Read more
This does not sound like a clustering problem to me. Instead, you are looking for a decision tree, on the target variable “grade > 4”. 0 solved Best data mining algorithm for detect the profile of students with excellent grades
Weka API can be used with Java, check this In this website check Miscellaneous Code link on the left side of page. Not only this you can use Weka with other languages too. 1 solved ID3 visualization using WEKA API [closed]
Users do no want extra interactions. There is a reason why “one click shopping” is successful. https://en.wikipedia.org/wiki/1-Click Most likely, they will be annoyed and not come to your site anymore, and prefer an online retailer that doesn’t ask them this extra question. They may also just click random buttons to make the window go away, … Read more