【问题标题】:rpy2 error loading R package "rugarch" in Pythonrpy2错误在Python中加载R包“rugarch”
【发布时间】:2018-01-14 16:12:34
【问题描述】:

我尝试使用 rpy2 加载库 rugarch 但遇到以下错误。这似乎与依赖multicool有关。在 R 中签入两个库都可以正确加载。有人可以帮忙调查一下吗?非常感谢!

from rpy2.robjects import r
r("""library(rugarch)""")

Traceback (most recent call last):

  File "<ipython-input-15-07367cb75221>", line 1, in <module>
    r("""library(rugarch)""")

  File "C:\ProgramData\Anaconda3\lib\site-packages\rpy2-2.9.0-py3.6-win-amd64.egg\rpy2\robjects\__init__.py", line 352, in __call__
    res = self.eval(p)

  File "C:\ProgramData\Anaconda3\lib\site-packages\rpy2-2.9.0-py3.6-win-amd64.egg\rpy2\robjects\functions.py", line 178, in __call__
    return super(SignatureTranslatedFunction, self).__call__(*args, **kwargs)

  File "C:\ProgramData\Anaconda3\lib\site-packages\rpy2-2.9.0-py3.6-win-amd64.egg\rpy2\robjects\functions.py", line 106, in __call__
    res = super(Function, self).__call__(*new_args, **new_kwargs)

RRuntimeError: Error: package or namespace load failed for 'rugarch' in .doLoadActions(where, attach):
 error in load action .__A__.1 for package multicool: loadModule(module = "Multicool", what = TRUE, env = ns, loadNow = TRUE): Unable to load module "Multicool": negative length vectors are not allowed

【问题讨论】:

    标签: r rpy2


    【解决方案1】:

    RR 和 Python(然后通过 rpy2 调用 R)几乎可以肯定在不同的环境中运行。结果Multicool可以加载到前者,但不能加载到后者。

    (注意:rpy2 在 Windows 上不被官方支持)

    【讨论】:

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