Aaron Ou

P161: vp4, vp5 两行代码似有误

6

P161 第六行 `vp4

P153: element_rect(size = 2)这句似有问题

2

环境 - win 7 - R version 3.0.0 - ‘ggplot2’ version 0.9.3.1 ggplot2 中文译本P153以下代码运行时，无法出现plot外框线的效果： 第二行： `hgram + theme(plot.background = element_rect(size = 2))` 第四行：`hgram + theme(plot.background = element_rect())` 除非在element_rect里多写一句`colour = "black"`...

Can we have `endpoint_override` as an attribute if not yet?

23

### Create an attribute named `endpoint_override` in dbConnect Example: ```r library(RAthena) library(DBI) con