[R] how to break the loop using sapply?

[Jeff Newmiller]

Don't use apply functions if you want to do what you describe. They don't work that way. Use a while control structure.

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Sent from my phone. Please excuse my brevity.

On October 9, 2014 10:24:49 PM PDT, PO SU <rhelpmaillist at 163.com> wrote:
>
>Dear expeRts,
>   i  use sapply for loop, and i want to break it when i needed, how to
>do that?  e.g.
>
>sapply( 1:10, function(i) {
>if(i==5) break and jump out of the function sapply
>} )
>
>I want to do it because i have to loop 1000000 times, but i don't know
>when it will break, that means, it may need break at i=5 or at i=50000,
>for the possible of the  last case, i don't use for loop, because it
>slow(is it right?).
>So,if you happen to know it ,may you help me?
>
>
>--
>
>PO SU
>mail: desolator88 at 163.com 
>Majored in Statistics from SJTU
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