August 2018
Intermediate to advanced
227 pages
4h 16m
Chinese
Content preview from 高效R语言编程
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46
｜
第
2
章
• GIT/SVN
项目设置允许
RStudio
为你的版本控制系统提供一个图形化界
面，详见第
9
章。
• R
版本设置允许
RStudio
指定
R
的版本和解释器，对某些项目来说，这种
版本可能更快。
• Restore .RData
：取消选中
Restore .RData
复选框将禁止加载先前创建的
R
对象。这不仅能使
R
启动更快也能减少由先前创建的对象导致的错误。所
以，我们建议你取消选中该复选框（默认是选中的）。
• Code-editing
（代码编辑）选项可以使
RStudio
适应你的编码风格，例如，
禁止括号输入自动完成，很多有经验的程序员可能觉得其很讨厌。
Vim
模
式使
RStudio
像（部分地）
Vim
模拟器一样工作。
• Diagnostic
（诊断）设置可通过添加额外的诊断或在诊断拖慢计算机时移
除诊断从而提高
RStudio
的效率。对于要在老旧、低配置的计算机上使用
RStudio
分析大数据集的程序员来说，该项设置应认真对待。
•
外观：如果你正在努力地查看源代码，修改默认字体大小可以减少眯眼看
屏幕的时间从而让你更高效。其他的外观设置跟美学联系较多，例如字体
类型和背景颜色是很重要的，因为舒适的编程环境可以提高生产率。可通
过“
Tools
”
→“
Global Options
”菜单来修改外观设置。
自动完成功能
R
提供一些基本的自动完成功能。输入函数名的开头，如 rn（rnorm() 的缩
写），然后按
Tab
键两次将显示以 rn 开头的所有的函数名，本例中，将显示
rnbinom 和 rnorm ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.