rapidminernotes.blogspot.com
RapidMiner Miscellany: January 2015
http://rapidminernotes.blogspot.com/2015_01_01_archive.html
Some notes to help explain a few miscellaneous features of the RapidMiner product. Now with added RapidAnalytics and a dash of R. Thursday, 8 January 2015. RapidMiner Server and Elasticsearch with Lucene. RapidMiner Server produces log files and sometimes when running processes, errors can be hard to find so I decided to import the server log files into Elasticsearch to see if the Lucene search engine capability that would result could speed me up a bit. Once in Elasticsearch, the events have become docu...
rapidminernotes.blogspot.com
RapidMiner Miscellany: August 2014
http://rapidminernotes.blogspot.com/2014_08_01_archive.html
Some notes to help explain a few miscellaneous features of the RapidMiner product. Now with added RapidAnalytics and a dash of R. Monday, 25 August 2014. Is a process to plot the Mandelbrot set. It's based on the one that was successful at the recent RapidMiner World conference. It makes pretty pictures like this. Various macros control the execution of the process. With the following settings,. A zoomed in view like this is produced - how cool. The process itself is in 2 main parts. At the end of the lo...
rapidminernotes.blogspot.com
RapidMiner Miscellany: February 2015
http://rapidminernotes.blogspot.com/2015_02_01_archive.html
Some notes to help explain a few miscellaneous features of the RapidMiner product. Now with added RapidAnalytics and a dash of R. Tuesday, 24 February 2015. Finding those useless attributes and making sure they are really useless. What happens if you remove some attributes and you want to know which ones? You might ask why and that's a good question. All I can say is that it turns out that there are situations where no one will believe you. The conversation goes like this. They don't add any value".
rapidminernotes.blogspot.com
RapidMiner Miscellany: July 2014
http://rapidminernotes.blogspot.com/2014_07_01_archive.html
Some notes to help explain a few miscellaneous features of the RapidMiner product. Now with added RapidAnalytics and a dash of R. Saturday, 5 July 2014. Copy your license before doing a RapidMiner Studio upgrade. Edit: just successfully downloaded 6.0.008 without a problem so I'll delete this in a while. Before you install the new version - 6.0.006, be sure to copy your license key. This is accessed by going to Help- Manage Licenses- Enter License. Copy the text there into a suitable safe place.
rapidminernotes.blogspot.com
RapidMiner Miscellany: April 2014
http://rapidminernotes.blogspot.com/2014_04_01_archive.html
Some notes to help explain a few miscellaneous features of the RapidMiner product. Now with added RapidAnalytics and a dash of R. Monday, 21 April 2014. How to read the contents of a file into a macro. I won't bore you with the "why", but suffice to say there are certain situations where it is useful to have the contents of a file contained in a macro. Obviously don't read a multi-Gb file into a macro, it might struggle. Subscribe to: Posts (Atom). Fully fledged Rapid-I Master.
rapidminernotes.blogspot.com
RapidMiner Miscellany: December 2013
http://rapidminernotes.blogspot.com/2013_12_01_archive.html
Some notes to help explain a few miscellaneous features of the RapidMiner product. Now with added RapidAnalytics and a dash of R. Sunday, 29 December 2013. Principal Component Analysis operator notes. As stated in the help. the operator uses the covariance matrix of the input attributes. Normalizing the attributes using the Normalize operator and Z-transformation method before the PCA operation has the effect that the correlation matrix is used in the PCA operator (As Wikipedia. Subscribe to: Posts (Atom).
rapidminernotes.blogspot.com
RapidMiner Miscellany: January 2014
http://rapidminernotes.blogspot.com/2014_01_01_archive.html
Some notes to help explain a few miscellaneous features of the RapidMiner product. Now with added RapidAnalytics and a dash of R. Friday, 3 January 2014. I stumbled upon an unadvertised feature in the generate attributes and generate macro operators in RapidMiner Studio 6. It's possible to use the square root of -1, denoted by the reserved symbol i, in the function expressions when creating attributes and macros. There are also some new functions:. CN = -3 2*i. This would be -3 2i. CN = -3 2*i. I'm not s...
rapidminernotes.blogspot.com
RapidMiner Miscellany: Which UK political party is happiest? Update
http://rapidminernotes.blogspot.com/2015/05/which-uk-political-party-is-happiest.html
Some notes to help explain a few miscellaneous features of the RapidMiner product. Now with added RapidAnalytics and a dash of R. Monday, 4 May 2015. Which UK political party is happiest? There is a general election this coming Thursday in the UK and I thought it would be most interesting to compare the manifesto sentiment of 6 of the parties involved. Firstly, I downloaded the manifestos and chopped them into sequential 50 word chunks and calculated an average sentiment of each chunk. We can calculate a...
rapidminernotes.blogspot.com
RapidMiner Miscellany: Finding those useless attributes and making sure they are really useless
http://rapidminernotes.blogspot.com/2015/02/finding-those-useless-attributes-and.html
Some notes to help explain a few miscellaneous features of the RapidMiner product. Now with added RapidAnalytics and a dash of R. Tuesday, 24 February 2015. Finding those useless attributes and making sure they are really useless. What happens if you remove some attributes and you want to know which ones? You might ask why and that's a good question. All I can say is that it turns out that there are situations where no one will believe you. The conversation goes like this. They don't add any value".
