The discrete nature of categorical data makes it a particular challenge for visualization. Methods that work very well for continuous data are often hardly usable with categorical dimensions. Only few ...

See the latest Altria Group Inc stock price (MO:XNYS), related news, valuation, dividends and more to help you make your investing decisions.

In this article, we present the results of a long-term analysis of Wireless Local Area Network (WLAN) frequency band and channel distribution development. To the best of our knowledge, no similar ...