R等价于python"_"吗? [英] R equivalent of python "_"?

问题描述

Python的标识符_可用于存储最后评估的结果使其非常适合加速数据探索和自省.

Python has an identifier _ that allows for storing the result of the last evaluation which makes it great for speeding up data exploration and introspection.

In [1]: 43 * 2
Out[1]: 86

In [2]: _ + 1
Out[2]: 87

R中是否有类似的命令?

Is there a similar command in R?

推荐答案

这是一种可键入的内容，但.Last.value:

Tis a faff to type, but .Last.value:

> sqrt(2)
[1] 1.414214
> .Last.value
[1] 1.414214

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