如何将保存为 RData 的字符向量从 R 导入到 python 列表？

Question

例如，如果我在 R 中保存了这个字符向量：

x <- c("Hello", "world!")
save (x, file = 'x.RData')

然后在python中加载rpy2如下：

from __future__ import print_function
from rpy2.robjects import pandas2ri,r
import rpy2.robjects as robjects

def main():
    r['load']('x.RData')
    variables = tuple(robjects.globalenv.keys())
    print('variables: {0}'.format(variables))
    x = robjects.globalenv['x']
    print('x: {0}'.format(x))
    print('type(x): {0}'.format(type(x)))


if __name__ == "__main__":
    main()

打印：

variables: ('x',)
x: [1] "Hello"  "world!"
type(x): <class 'rpy2.robjects.vectors.StrVector'>

如何将其导入 python 列表？

Answer 1

你可以简单地使用 list():

from __future__ import print_function
from rpy2.robjects import pandas2ri,r
import rpy2.robjects as robjects

def main():
    r['load']('x.RData')
    variables = tuple(robjects.globalenv.keys())
    print('variables: {0}'.format(variables))
    x = robjects.globalenv['x']
    print('x: {0}'.format(x))
    print('type(x): {0}'.format(type(x)))
    print('list(x): {0}'.format(list(x)))

if __name__ == "__main__":
    main()

如何将保存为 RData 的字符向量从 R 导入到 python 列表？

How can I import a character vector from R saved as RData to a python list?

python

r

rpy2