

Berwin A Turlach <berwin@maths.uwa.edu.au> wrote:   G'day Yu,

On Sun, 13 Apr 2008 23:48:33 -0700 (PDT)
Yuan Jian wrote:

> what should I do when I want to get a sequence for operate && or ||?

Read `help("&&")' and then use & and |. :)

HTH.

Cheers,

Berwin

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