R语言出错求解

Question

 

> i<-2

> while(i<=nrow(mouseWeight)){

Error: unexpected '>' in ">"

> mouseWeight[i-1,]<-mouseWeight[i-1,]-mouseWeight[i,]

>     i<-i+1

> }

Error: unexpected '}' in "}"

Error: unexpected '>' in ">"和Error: unexpected '}' in "}"是什么意思？

Answer 1

不会啦