Clustering non-numeric -- or categorial -- data is surprisingly difficult, but it's explained here by resident data scientist Dr. James McCaffrey of Microsoft Research, who provides all the code you ...

Gathering and entering numbers on a computer is one of the most laborious aspects of data management. Ten-key data entry expedites this process, focusing only on the number keys, 0 through 9, which ...

Across modern data-intensive disciplines, the union of numerical computation, statistics, and machine learning has become ...

contains only numbers, and sometimes a decimal point and/or minus sign. When they are read into a SAS data set, numeric values are stored in the floating-point format native to the operating ...