Weka 64-bit (Waikato Environment for Knowledge Analysis) is a popular suite of machine learning software written in Java. Weka is a collection of machine learning algorithms for data mining tasks. The algorithms can either be applied directly to a dataset or called from your own Java code. Weka contains tools for data pre-processing, classification, regression, clustering, association rules, and visualization. It is also well-suited for developing new machine learning schemes. Weka 64-bit is open source software issued under the GNU General Public License. Note: Requires.
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Download Latest Version weka-3-8-2jre-x64.exe (265.4 MB) Get Updates. Home / weka-3-7-windows-x64. Name Modified Size Info Downloads / Week. Weka 3.9.0 (latest) Weka 3.8.1 Weka 3.6.14. Windows Defender to stop dishonest cleaning applications. Sign wizard 64 bit.
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There are two versions of Weka: Weka 3.8 is the latest stable version, and Weka 3.9 is the development version. For the bleeding edge, it is also possible to download nightly snapshots.
Stable versions receive only bug fixes, while the development version receives new features. Weka 3.8 and 3.9 feature a package management system that makes it easy for the Weka community to add new functionality to Weka. The package management system requires an internet connection in order to download and install packages. Note (1) for users upgrading from Weka 3.7 to Weka 3.8 or later: if the Weka 3.8 package manager does not start up, please delete the file installedPackageCache.ser in the packages folder that resides in the wekafiles folder in your user home. Note (2) for users upgrading from Weka 3.7 to Weka 3.8 or later: serialized models created in 3.7 are not compatible with 3.8.
We have a tool that can migrate some models to be compatible with 3.8.0. One exception is RandomForest, which can be migrated up to 3.7.13 but no further. Usage is as follows: java -cp: weka.core.ModelMigrator -i -o If your computer has a display that has a high pixel density, and you are using Windows, Weka's user interfaces may not be scaled appropriately and appear tiny. Installing Java 9 solves this problem. Alternatively, in the Program menu of Weka's GUIChooser, go into Settings, and select WindowsLookAndFeel from the 'Look and feel for UI dropdown' menu. This may be necessary because some Weka packages currently do not work as expected with Java 9 (e.g., RPlugin).
Snapshots Every night a snapshot of the Subversion repository is taken, compiled and put together in ZIP files. For those who want to have the latest bugfixes, they can download these snapshots.
Stable version Weka 3.8 is the latest stable version of Weka. This branch of Weka receives bug fixes only, although new features may become available in packages.