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Rev 40012 Rev 74460
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class = c("nfnGroupedData", "nfGroupedData", "groupedData", "data.frame"),
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class = c("nfnGroupedData", "nfGroupedData", "groupedData", "data.frame"),
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formula = weight ~ Time | Chick,
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formula = weight ~ Time | Chick,
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outer = ~ Diet,
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outer = ~ Diet,
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labels = list(x = "Time", y = "Body weight"),
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labels = list(x = "Time", y = "Body weight"),
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units = list(x = "(days)", y = "(gm)"))
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units = list(x = "(days)", y = "(gm)"))
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environment(attr(ChickWeight, "formula")) <- emptyenv()
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environment(attr(ChickWeight, "formula")) <- emptyenv()
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environment(attr(ChickWeight, "outer")) <- emptyenv()
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environment(attr(ChickWeight, "outer")) <- emptyenv()