Posts by Rodrigo Silva • 36 points
9 posts
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answer41
viewsA: Neural Networks - Weka - What is the Threshold parameter?
Used to terminate the validation test. The value determines how many times in a row the validation set error may worsen before the training is terminated.
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answer80
viewsA: What Types of Postgis Data Are These
POLYHEDRALSURFACE are nothing more than polyhedral surfaces, usually in three dimensions, which are composed of vertices, edges, facets and a relation of incidence on them. SELECT…
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answer2529
viewsA: Error installing packages in Rstudio
This error can be pro various factors like, anti virus or your firewall blocking the installation of packages. It may also be that R (or Rstudio with R) has been installed as an administrator on…
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answer45
viewsA: receive emails using R
You can try pulling messages from Gmail, for example (SSL) using Python and the package rJython. Jython is implemented in Python on the Java virtual machine, so using rJython is somewhat like using…
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answers4815
viewsA: how to install java JDK and JRE in windows 10?
Have you checked if there is no other version of JAVA already installed? There may be a version conflict, I suggest removing one of the versions and performing the configuration! New versions of jdk…
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answer34
viewsA: Set CLASSPATH to be accessible in Apache
The algorithm libSVM does not come natively in WEKA until version 3.8.2, you must add the package by the WEKA home screen, in the tab TOOLS -> Package manager
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answers289
viewsA: Weka not recognizing attribute in "date" format
It is in the format of milesseconds, if you click Edit you will probably see the correct date formatting, basically it is a float type, and this is because WEKA works with numerical values. To get…
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answer128
viewsA: Problem with a stopwords list in Weka
You are not declaring the txt file. In the stopwords field, which is Weka-3-8, you should put the path to the folder or directory where your txt file is.
wekaanswered Rodrigo Silva 36 -
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answers367
viewsA: Mining Text with Weka
From what I’ve seen, in your file you have two classes declared, Testing and Mining, but in @data you have just Teste, missing the Mining class! Either you include or delete the attribute classe…