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5
Task/Scope-modifiers/R/scope-modifiers-2.r
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Task/Scope-modifiers/R/scope-modifiers-2.r
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@ -0,0 +1,5 @@
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d <- data.frame(a=c(2,4,6), b = c(5,7,9))
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attach(d)
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b - a #success
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detach(d)
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b - a #produces error
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