另外,也许task view也可以加在比较靠前的地方。
anyway, very good job!
anyway, very good job!
> 中文=rnorm(5)<br />
> ls()<br />
[1] "中文"<br />
> 中文<br />
[1] -0.07451817 -0.05194996 0.14037113 0.32339160 -0.42630423
<br />
grep("好",c("我是","好人"))<br />
grep("是",c("我是","好人"))<br />
match("我是",c("我是","好人"))<br />