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Rev 90157 Rev 90172
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names(unclass(leapS)) ; is.list(leapS)
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names(unclass(leapS)) ; is.list(leapS)
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## str() on inner structure needs unclass(.):
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## str() on inner structure needs unclass(.):
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utils::str(unclass(leapS), vec.len = 7)
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utils::str(unclass(leapS), vec.len = 7)
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## show all components
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## show all components
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data.frame(unclass(leapS))
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data.frame(unclass(leapS))
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## Omitting "tzone" attrib, numeric matrix w/ 10 columns (27 x 10, currently) :
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## Omitting "zone" column ==> numeric matrix w/ 10 columns
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(leapm <- as.matrix(leapS))
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(leapm <- as.matrix(leapS))
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stopifnot(identical(ncol(leapm), 10L), is.numeric(leapm)) # was character in R <= 4.6.0
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stopifnot(identical(ncol(leapm), 10L), is.numeric(leapm)) # was character in R <= 4.6.0
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## Extracting *single* components of POSIXlt objects:
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## Extracting *single* components of POSIXlt objects:
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leapS[1 : 5, "year"]
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leapS[1 : 5, "year"]