javascript - Java with RWeka packege -

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i have mac el capitan, 10.11.5, used rweka package, downloaded correctly , initialized error, when apply 

j48(species ~ ., data = iris)

i have error

error in .jnew("weka/core/attribute", attname[i], .jcast(levels, "java/util/list")) :    java.lang.unsupportedclassversionerror: weka/core/attribute : unsupported major.minor version 51.0

i used java version these details, 

52f85:~ kameljabreen$ java -version java version "1.7.0_79" java(tm) se runtime environment (build 1.7.0_79-b15) java hotspot(tm) 64-bit server vm (build 24.79-b02, mixed mode)

please me solve problems, problm since 1 month, read lot problem in web sites. did thing, installing java jdk version 1.8 .... ect. used java 1.7. please give me solutions. in advance

the rweka package depends on rjava package r-to-java communication, includes , uses own java 1.6 runtime. make things worse, behavior of rjava package platform dependent - uses "built-in" java on platforms (mac os?) , "system" java on others.


Comments

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