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These classes represent base types allowing them to be used within S7. There are three categories: base types, unions types, and key S3 classes.
Base types:
class_logical
class_integer
class_double
class_complex
class_character
class_raw
class_list
class_expression
class_function
class_environment (can only be used for properties)
class_environment
Union types:
class_numeric is a union of class_integer and class_double.
class_numeric
class_atomic is a union of class_logical, class_numeric, class_complex, class_character, and class_raw.
class_atomic
class_vector is a union of class_atomic, class_list, and class_expression.
class_vector
Key S3 classes:
class_data.frame
class_Date
class_factor
class_POSIXct
class_logicalclass_integerclass_doubleclass_complexclass_characterclass_rawclass_listclass_expressionclass_functionclass_environmentclass_numericclass_atomicclass_vectorclass_factorclass_Dateclass_POSIXctclass_data.frame
S7 classes wrapping around common base types and S3 classes.
class_integer class_numeric class_factor
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