data visualization

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  • Video

    A rare peek into power grid management with big data visualization, at California ISO

    Posted December 1, 2011 - 5:34 pm

    Cal-ISO facilitates the management of power lines throughout the state. It’s not the only company to do it, though managers say this facility is the most up-to-date. Its control room likes like something out of a movie, where specific desks are charged with big tasks -- like wholesale brokering of energy into California and management of emergency power line failures.

  • Tableau Software wants data junkies to do the 'viz'

    Posted February 11, 2010 - 9:54 pm

    Data visualization vendor Tableau Software Inc. hopes to keep the pedal to the metal with the launch of a free service that brings sophisticated dashboards and charts to amateur spreadsheet jocks.

  • Seeing is believing: Eight elegant ways to present data

    Posted November 16, 2009 - 10:17 am

    For everyone bored of those charts autogenerated by Excel: you can do better, if you dare!

  • Use data mining techniques to detect fraud

    Posted November 5, 2009 - 10:34 am

    The basic premise of Benford's Law is that certain leading digits in any random set of data will appear in a specific non-uniform manner or in a certain frequency -- anything that is outside that frequency indicates a non-compliant anomaly. There are some great tools out there that can let you apply Benford's Law to your data, including Microsoft Excel.

  • Data Analytics to Detect Fraud

    Posted September 18, 2009 - 3:31 pm

    Some say that detecting fraud is fraud is like finding needle in a haystack. Often times this is true, but more often you don’t even know what the needle looks like or what haystack to look in. To overcome these obstacles data mining techniques can be used. One of the ways that is very powerful is data visualization.

  • Visualize your data in whole new ways

    Posted September 30, 2008 - 11:30 am

    I spend an inordinate amount of time working in huge Excel spreadsheets that represent data about the worldwide PC monitor market. Excel's pivot tables and charts are useful, but sometimes I still struggle to find the trends buried in all those numbers. So I did what any geek would do: I looked for an app that could help me. I found Tableau Software.
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