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Rev 83699 Rev 84044
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packageDescription("stats")
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packageDescription("stats")
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packageDescription("stats", fields = c("Package", "Version"))
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packageDescription("stats", fields = c("Package", "Version"))
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packageDescription("stats", fields = "Version")
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packageDescription("stats", fields = "Version")
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packageDescription("stats", fields = "Version", drop = FALSE)
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packageDescription("stats", fields = "Version", drop = FALSE)
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if(packageVersion("MASS") < "7.3.29")
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  message("you need to update 'MASS'")
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}%dont
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}%dont
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if(requireNamespace("MASS") && packageVersion("MASS") < "7.3.29")
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  message("you need to update 'MASS'")
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pu <- packageDate("utils")
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pu <- packageDate("utils")
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\donttest{str(pu)}
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\donttest{str(pu)}
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stopifnot(identical(pu, packageDate(desc = packageDescription("utils"))),
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stopifnot(identical(pu, packageDate(desc = packageDescription("utils"))),
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          identical(pu, packageDate("stats"))) # as "utils" and "stats" are
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          identical(pu, packageDate("stats"))) # as "utils" and "stats" are
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                                   # both 'base R' and "Built" at same time
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                                   # both 'base R' and "Built" at same time