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@casallas
Created July 23, 2014 05:14
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Check installed R packages
res <- apply(installed.packages(), 1, function(ip){require(package=ip["Package"], lib.loc=ip["LibPath"], character.only=T)})
res[res==F]
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casallas commented Nov 1, 2014

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There may be some trouble with this mehtod if you have too many packages

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