Nothing
setClassUnion("atomic",c("raw","logical","integer","numeric","complex","character"))
setClassUnion("atomic or NULL",c("atomic","NULL"))
setClassUnion("atomic or factor",c("atomic","factor"))
setClassUnion("character or NULL",c("character","NULL"))
setClassUnion("character or integer",c("character","integer"))
# setClassUnion("index",c("logical","numeric","character"))
# setClassUnion("strict.index",c("logical","numeric"))
setClass("value.labels",
contains = "character",
representation(
values = "atomic"
)
)
setClass("value.filter",
representation(
filter="atomic or NULL"
)
)
setClass("valid.values",contains="value.filter")
setClass("valid.range",contains="value.filter")
setClass("missing.values",contains="value.filter",representation(range="atomic or NULL"))
setClassUnion("value.labels or NULL",c("value.labels","NULL"))
setClassUnion("value.filter or NULL",c("value.filter","NULL"))
setClass("annotation",contains="character")
setClass("item",
representation(
value.labels="value.labels or NULL",
value.filter="value.filter or NULL",
measurement="character or NULL",
annotation="annotation"
)
)
setClass("double",
contains="numeric",
prototype=double()
)
setClassUnion("numeric.item")
setClassUnion("item.vector","numeric.item")
setClass("integer.item",
contains=c("item","numeric.item","item.vector","integer")
)
setClass("double.item",
contains=c("item","numeric.item","item.vector","double","numeric")
)
setClass("character.item",
contains=c("item","item.vector","character")
)
setClass("named.list",
contains="list",
representation(
names = "character")
)
setClass("item.list",contains="named.list")
setClass("data.set",
contains=c("item.list","named.list","list"),
representation(
row_names = "character or integer",
document = "character"
)
)
setClass("importer",
contains=c("item.list","named.list","list"),
representation(
ptr="externalptr",
document = "character"
)
)
setClass("spss.fixed.importer",
contains="importer",
representation(
columns.file="character",
varlab.file="character or NULL",
codes.file="character or NULL",
missval.file="character or NULL",
data.spec="list"
)
)
setClass("spss.portable.importer",
contains="importer",
representation(
varlab.file="character or NULL",
codes.file="character or NULL",
missval.file="character or NULL",
data.spec="list"
)
)
setClass("spss.system.importer",
contains="importer",
representation(
varlab.file="character or NULL",
codes.file="character or NULL",
missval.file="character or NULL",
data.spec="list"
)
)
setClass("Stata.importer",
contains="importer",
representation(
data.spec = "list"
)
)
setClass("codebook",
contains="list"
)
setClass("codebookEntry",
representation(
spec = "character",
stats = "list",
annotation = "character or NULL"
)
)
setClass("datetime.item",
representation(tzone="character or NULL",origin="character or NULL"),
contains=c("item","numeric.item","item.vector","double","numeric")
)
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