Weka download and installation

weka It's based on java Open source machine learning and data mining software for environment , Therefore, you must install on the computer first java

1. install java

https://www.java.com/zh_CN/

To configure java environment variable

Add environment variables ： name JAVA_HOME, The value is java The installation path . Such as C:\Program Files\Java\jdk_1.8.0_201

path add %JAVA_HOME%\bin

classpath add %JAVA_HOME%\bin\lib\dt.jar and %JAVA_HOME%\bin\lib\tools.jar

（ Environment variables need to be restarted to take effect ）

2. install weka

1） download weka Installation package

https://www.cs.waikato.ac.nz/ml/weka/downloading.html

2） Install by default