Table Schema 'Frictionless Data'


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Documentation for package ‘tableschema.r’ version 1.1.2

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tableschema.r-package Table Schema Package
Constraints Constraints class
constraints.checkEnum Check Enum
constraints.checkMaximum Check if maximum constraint is met
constraints.checkMaxLength Check if maximum character length constraint is met
constraints.checkMinimum Check if minimum constraint is met
constraints.checkMinLength Check if minimum character length constraint is met
constraints.checkPattern Pattern matching
constraints.checkRequired Check if a field is required
constraints.checkUnique Check if a field is unique
DEFAULT_DECIMAL_CHAR default decimal char
DEFAULT_GROUP_CHAR default group char
durations Durations
FALSE_VALUES default false values
Field Field class
helpers.expandFieldDescriptor Expand Field Descriptor
helpers.expandSchemaDescriptor Expand Schema Descriptor
helpers.from.json.to.list Convert json to list
helpers.from.list.to.json Convert list to json
helpers.retrieveDescriptor Retrieve Descriptor
infer Infer source schema
is.binary Is binary
is.email Is email
is.uri Is uri
is.uuid Is uuid
is.valid Is valid
is_empty Is empty
is_integer Is integer
is_object Is object
Profile Profile class
Profile.load Instantiate 'Profile' class
Readable Readable class
ReadableArray ReadableArray class
ReadableConnection ReadableConnection class
Schema Schema class
Schema.load Instantiate 'Schema' class
Table Table Class
Table.load Instantiate 'Table' class
TableSchemaError TableSchemaError class
TRUE_VALUES default true values
Types Types class
types.castAny Cast any value
types.castArray Cast array
types.castBoolean Cast boolean
types.castDate Cast date
types.castDatetime Cast datetime
types.castDuration Cast duration of time
types.castGeojson Cast JSON object according to GeoJSON or TopoJSON spec
types.castGeopoint Cast geographic point
types.castInteger Cast integer
types.castList Cast list
types.castNumber Cast numbers of any kind including decimals
types.castObject Cast object
types.castString Cast string
types.castTime Cast time without a date
types.castYear Cast year
types.castYearmonth Cast a specific month in a specific year
validate validate descriptor
Writeable Writeable class
write_json Save json file