Part 1: Indexed Collections Today, as part of our new Experts for Experts Series, we would like to present one of the many useful features of the Jackhammer Extension, bringing more convenience into handling collections with RapidMiner by indexing them.…
Category: Data Science
Announcing the new Solr Extension by Old World Computing
We are excited to announce that we have a new extension in development, which will implement an interface to Apache Solr into RapidMiner, utilizing the fast and efficient text analysis functions of Solr for your RapidMiner work. Apache Solr is…
Tutorial: Introduction to Caching Functions of the Jackhammer Extension by Old World Computing – 3
Part 3: Using Macros to Set Cache Dependencies Recap The first tutorial on using the caching functions of the Jackhammer Extension demonstrated the basic features of the Cache operator and how to integrate it into your processes. For this, we…
Tutorial: Introduction to Caching Functions of the Jackhammer Extension by Old World Computing – 2
Part 2: Setting Data Validity Periods and Manually Clearing Caches In our previous tutorial, we introduced the caching functions of the Jackhammer Extension and demonstrated how to integrate the Cache operator into your RapidMiner process. Today, we will discuss how…
Tutorial: Introduction to Caching Functions of the Jackhammer Extension by Old World Computing
Part 1: The Cache Operator Introduction Today, we would like to present a feature of the versatile Jackhammer Extension for RapidMiner and describe in more detail how to use the caching operators provided by the extension in order to speed…
Five Ways How to Not Do a Data Science Project
Yesterday, Sebastian held a talk at the Business Intelligence and Analytics meet up at RapidMiner in Dortmund. There, he took a slightly different approach to talking about data science projects: Instead of enthusiastically discussing merits and benefits of establishing data…
Tutorial: Using the Process Execution Performance Monitoring Feature of the Jackhammer Extension
Introduction Today, we would like to shortly present a small but very helpful feature of our Jackhammer Extension: process execution performance monitoring. Basically, it gives you a run time analysis broken down into how long each individual operator takes…
Release of the new WebAutomation Extension
The new WebAutomation Extension by Old World Computing is here! We are delighted to announce the release of our new WebAutomation Extension for RapidMiner. With this small yet powerful extension you will now be able to process JSON data and…
Extracting Arrays of Scalar Values with the WebAutomation Extension
In the previous posts, we first discussed the basic functions of the WebAutomation Extension and then demonstrated how to extract not only one, but multiple, relational, example sets from just one JSON string. As mentioned there, we have one more…
Extracting two or more relational example sets from one JSON
Now that we know how to generate one example set from a JSON string, we will turn to the truly exciting feature of the WebAutomation Extension: extracting relational information by creating two or more relational tables from the same JSON…