what is difference between simple and manifold classification of data

(B) Manifold or multiple classification : In this method data is classified using one or more qualities. First, the data is divided into two groups (classes) using one of the qualities. Then using the remaining qualities, the data is divided into different subgroups. For example, the population of a country is classified using three attributes: gender, literacy and business as,

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(A) Simple Classification : It is also known as classification according to Dichotomy. When data (facts) are divided into groups according to their qualities, the classification is called as 'Simple Classification'. Qualities are denoted by capital letters (A, B, C, D ......) while the absence of these qualities are denoted by lower case letters (a, b, c, d, .... etc.) For example ,

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