News and Info

  • Data Exploration in R -- Part I

    Monday, May 22, 2017 - 17:42
    This blog is the first of a multi-part series to share a few exploratory techniques I've found useful in recent work. [more]
  • Map Analytics with Javascript and Pentaho

    Friday, May 19, 2017 - 15:15
    Developing custom dashboards with the latest Javascript charting libraries, including LeafletJS used by Tableau... [more]
  • Pentaho Custom Dashboard Development with Javascript

    Thursday, April 13, 2017 - 07:45
    Many of our customers are looking for a sound, cost-effective platform to provide rich, embedded visualizations in their web applications. [more]
  • Forecasting for prophet in R

    Wednesday, April 5, 2017 - 15:00
    I ran across an R forecasting package recently, prophet, I hadn't seen before. This isn't surprising given the flood of new libraries now emerging in the R ecosystem. [more]
  • Homicide and Violent Crime in Chicago – a First Look at the Data with R

    Thursday, March 2, 2017 - 08:30
    Several years ago, the City of Chicago committed to making its data accessible, establishing a portal. Early in 2016, I canvassed the site, looking for crime data. [more]
  • Politics, Luck, Bayes Theorem, and Base Rates

    Wednesday, March 1, 2017 - 13:15
    My wife gave me a stern warning before we headed out to a suburban neighbor's Super Bowl party: avoid “spirited” political discussion or else. Actually, I'd already self-forwarned, having remembered being in the center of a blue vs red imbroglio several years ago. And it's safe to say there was heightened sensitivity this year. After a pretty benign gathering for the first 90 minutes or so, I did get a bit animated when the discussion... [more]
  • Metadata Injection with Pentaho Data Integration

    Monday, January 23, 2017 - 18:00
    There is often a lot of confusion about the proper and best use of new technologies. Metadata Injection is no different. [more]
  • Containing Big Data: What Size is Your Suitcase?

    Thursday, January 12, 2017 - 10:15
    Every year it seems, we “discuss” the relative merits of his statistical software choice, SAS, versus mine, either R or Python. [more]
  • Frequencies in R - Part 2

    Wednesday, January 4, 2017 - 08:45
    In last month’s blog, I compared several functions that compute frequencies and crosstabs in R. In Part 2 this month, I’ll use the capabilities and functions of the data.table and dplyr packages. [more]
  • Inquidia’s Pentaho 7.0 Upgrade Service

    Wednesday, December 7, 2016 - 16:30
    Upgrade to Pentaho 7.0 with Inquidia's Expert Services [more]


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