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我想要用python做验证性因素分析，所以在jupyter里用rpy2调用R中的lavaan包，调用其他包时都是可以的，只有在调用lavaan时没办法运行，求助各位有什么解决办法吗？代码如下：

[code=python][/code]

[In]: from rpy2.robjects.packages import importr

lavaan = importr('lavaan')

[Out]: ---------------------------------------------------------------------------

RRuntimeError Traceback (most recent call last)

in

1 from rpy2.robjects.packages import importr

----> 2 lavaan = importr('lavaan')

C:\ProgramData\Anaconda3\lib\site-packages\rpy2\robjects\packages.py in importr(name, lib_loc, robject_translations, signature_translation, suppress_messages, on_conflict, symbol_r2python, symbol_check_after, data)

451 if _package_has_namespace(rname,

452 _system_file(package = rname)):

--> 453 env = _get_namespace(rname)

454 version = _get_namespace_version(rname)[0]

455 exported_names = set(_get_namespace_exports(rname))

RRuntimeError: