Querying XML files with Tableau via Flexter

Uli Bethke Tableau, XML, XSD

Tutorial - Querying XML files with Tableau Tableau is a great visualisation tool that works with a large number of different file and data formats. One format that is not supported is data in XML files. There are some workarounds, e.g. using Excel to flatten the XML file. However, with deeply nested files or XMLs with a complex schema this ...

Big Data News - Where advanced “Machine Learning” meets “Fine Wine”

Uli Bethke Big Data, Data Science, Technology

A week in review - Tableau’s first M&A venture, Machine Learning meets Fine Wine and a Streaming World beyond Batch Processing This week has been another week of movements around the world with Tableau stepping into the M&A club with its first acquisition venture. We explore how a UCL academic and former wine trader developed machine learning algorithms to increase ...

In-memory analytics with Tableau, SparkSQL, and MapR

Uli Bethke Big Data, Hadoop, Hive, MapR, Spark, SparkSQL, Tableau

Last week Tableau released version 9.0 of their data visualisation tool. From a Big Data point of view the nicest new feature was support for querying cached (in-memory) SchemaRDDs (Data Frames as of Spark 1.3). In this tutorial I will show you how to connect to Spark 1.2.1 on the MapR 4.1 sandbox with Tableau 9.0. Pre-requisites: - Download the ...