401k stands for “retirement savings plan,” This article will explain how this type of retirement plan works. Its benefits are tax-deferred, and contributions are invested in stocks and mutual funds. In general, a 401k is a defined contribution plan. You ...

Clustering is the division of objects into subsets (clusters) according to a given criterion. Each cluster includes objects as similar to each other as possible. Imagine moving to a new house; to do so, you need to sort all your ...