偶尔我想在R中的图表旁边绘制一个表格，例如，以显示图表本身的摘要统计数据。这非常简单。该函数tableGrob创建像一个数据帧的曲线图的表，安排ggplot2图形对象的网页上。
这是一个小例子：
会话信息
R version 3.2.1 (2015-06-18)
Platform: x86_64-apple-darwin13.4.0 (64-bit)
Running under: OS X 10.10.4 (Yosemite)
locale:
[1] en_GB.UTF-8/en_GB.UTF-8/en_GB.UTF-8/C/en_GB.UTF-8/en_GB.UTF-8
attached base packages:
[1] stats graphics grDevices utils datasets methods
[7] base
other attached packages:
[1] gridExtra_2.0.0 ggplot2_1.0.1
loaded via a namespace (and not attached):
[1] Rcpp_0.11.6 digest_0.6.8 MASS_7.3-42
[4] grid_3.2.1 plyr_1.8.3 gtable_0.1.2
[7] magrittr_1.5 scales_0.2.5 stringi_0.5-5
[10] reshape2_1.4.1 proto_0.3-10 labeling_0.3
[13] tools_3.2.1 stringr_1.0.0 munsell_0.4.2
[16] colorspace_1.2-6