w=read.table("D:/桌面/n.txt",header=TRUE)
v=w[,-c(1,4,5)]
v
ftable(v)
ftable(v,col.vars=c(1,3))
ftable(v,col.vars=c("性别","观点"))
ftable(v,row.vars=3,col.vars=2)
xtabs(~.,v)
xtabs(~性别+观点,v)
2.2.1
w=read.c...
| English Article | Word Count | Duration | Accuracy | Speed | Backspace | Error | Slogan |
|---|---|---|---|---|---|---|---|
| 《都是》 | 1559字 | 13.6分钟 | 100% | 52 CPM | 118 次 | 2 | 不及格，加强练习！ |
| The wrong word this time: )," | |||||||
|
Suggestion:
可能对按键不够熟悉，或者对输入法不够熟练所导致，不要急慢慢来，先打对把准确率提高，然后逐渐的加快速度，最后才能打准打快。
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| Inspirational quotes: 我从无满脸骄气，却总有一身傲骨。 ——李敖 | |||||||
| What do you think of this article? Give it a rating and let it serve as a guiding light for others | |||||||
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