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我最近安裝了rSymPy以在R中執行一些符號計算。此步驟還安裝了一些依賴項(「rJava」,「rjson」和「rJython」)。安裝完成後,我裝圖書館跑一個非常簡單的命令,它給了我一個錯誤:使用rSymPy時出錯
> library("rSymPy")
Loading required package: rJython
Loading required package: rJava
Loading required package: rjson
> x <- Var("x")
Error in .jcheck() : No running JVM detected. Maybe .jinit() would help.
這裏是我的sessionInfo(),以防萬一你需要它:
> sessionInfo()
R version 3.2.2 (2015-08-14)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: CentOS release 6.7 (Final)
locale:
[1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C
[3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8
[5] LC_MONETARY=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8
[7] LC_PAPER=en_US.UTF-8 LC_NAME=C
[9] LC_ADDRESS=C LC_TELEPHONE=C
[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] rSymPy_0.2-1.1 rJython_0.0-4 rjson_0.2.15 rJava_0.9-8
loaded via a namespace (and not attached):
[1] tools_3.2.2 tcltk_3.2.2
我試圖安裝不同版本的必需軟件包,但我總是得到這個錯誤。我真的很感激任何幫助。
謝謝, Aashish
請參閱https://github.com/ggrothendieck/rsympy/issues/2 –