Number System - Ordinal Number (Magnitude)


An ordinal number, or ordinal, is a natural number used for ordering.

Ordering with numbers is also called ordering by magnitude.

In set theory (Mathematics), an ordinal number, or just ordinal, is the order type of a well-ordered set. Ordinals are an extension of the natural numbers different from integers and from cardinals.

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Number System - Natural Numbers (cardinal and ordinal numbers) -

A natural number can be used for two purposes: to count (ie describe the size of a set) to order (ie or to describe the position of an element in a sequence). The natural numbers are those used...
Card Puncher Data Processing
R - Factor (Category, Enumerated Type)

The factor function is used to encode a vector as a factor (ie categorical data). When used with a numeric or a date, a binning function will return a factor. From numeric to a category (For instance,...

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