Data mining definition. Data mining, sometimes used synonymously with “knowledge discovery,” is the process of sifting large volumes of data for correlations, patterns, and trends.

The Cross-Industry Standard Process for Data Mining, better known as CRISP-DM, has been around for more than a decade, and it’s by far the most widely-used analytics process standard.It’s an ...

Data cleansing: Used in the data preparation phase, this is when raw data is put in a format suitable for analysis by eliminating data that is incorrect, incomplete, or irrelevant.

A new survey of data scientists found that they spend most of their time massaging rather than mining or modeling data. Still, most are happy with having the sexiest job of the 21 st century. The ...

Whether you call it data preparation, mining, extracting, cleaning, joining, blending, or masking, it’s all data transformation. Professionals can spend hours every week working with their data, ...