数据挖掘的最常用工具。由于开源，可以使用自己的代码进行开发。-The most commonly used data mining tools. Because of open source, you can use to develop their own code.

"HR Payroll System Requirements RFI/RFP Checklist”. It covers nearly everything you need for gathering or specifying HR & Payroll system requirements, building an RFI or RFP for issue to software vendors, and for evaluating and comparing vendor respo