希望有人能帮忙解决这个问题。
R版本:2.14.1
rpy2版本:2.2.5
蟒蛇版本:2.7.3
一直在尝试在 python 脚本中使用 rpy2 加载 R venneuler 包,该包以 rJava 作为依赖项。 venneuler 和 rJava 都成功从 R 环境中加载。其他 R 库,例如“stats”、“car”等可以使用 rpy2 中的 importr 在 python 中加载。
Python代码:
>from rpy2 import robjects
>from rpy2.robjects.packages import importr
>venn=importr('venneuler')
这给出了以下错误:
Warning message:
In library(package, lib.loc = lib.loc, character.only = TRUE, logical.return = TRUE, :
there is no package called ‘venneuler’
Error in .Primitive("as.environment")("package:venneuler") :
no item called "package:venneuler" on the search list
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python2.7/dist-packages/rpy2/robjects/packages.py", line 117, in importr
env = _as_env(rinterface.StrSexpVector(['package:'+name, ]))
rpy2.rinterface.RRuntimeError: Error in .Primitive("as.environment")("package:venneuler") :
no item called "package:venneuler" on the search list
在排查问题的过程中,我尝试使用importr直接加载rJava:
>java=importr('rJava')
出现以下错误,
Error : .onLoad failed in loadNamespace() for 'rJava', details:
call: dyn.load(file, DLLpath = DLLpath, ...)
error: unable to load shared object '/home/adam/R/x86_64-pc-linux-gnu-library/2.14/rJava/libs/rJava.so':
libjvm.so: cannot open shared object file: No such file or directory
Error in .Primitive("as.environment")("package:rJava") :
no item called "package:rJava" on the search list
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python2.7/dist-packages/rpy2/robjects/packages.py", line 117, in importr
env = _as_env(rinterface.StrSexpVector(['package:'+name, ]))
rpy2.rinterface.RRuntimeError: Error in .Primitive("as.environment")("package:rJava") :
no item called "package:rJava" on the search list
当我检查“/home/adam/R/x86_64-pc-linux-gnu-library/2.14/rJava/libs/rJava.so”时,它存在并且似乎正确链接到java动态库(例如ldd rJava.so) 。
关于如何解决这个问题有什么想法吗?