[R] checking the validity of the expressions

arunkumar1111 akpbond007 at gmail.com
Mon Jun 18 10:10:20 CEST 2012


hi

I have a data and have to convert it into the given expression

like

data=1000:2000 and expression is exp()

The code should be checking the validity of the expressions and give out the
result that it is valid expression or invalid expression.

can any one help

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Thanks in Advance
        Arun
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