discuss the different methods of classification of data?
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Answers
Methods of classification of data :-
1)Geographical (or Spatial) classification- This classification of data is based on the geographical or locational differences of the data.
2)Chronological classification- When data are classified on the basis of time, it is known as chronological classification.
3)Qualitative classification-This classification is according to qualities or attributes of the data.For ex,data may be classified on the basis of occupation, religion of the population. It is of 2 types:-
♦Simple - It is according to dichotomy. This is because data are divided on the basis of existence or absence of a quality.
♦Manifold -When classification according to quality of data involves more than one characteristic ,it is called manifold classification or multiple classification.
4)Quantitative or numerical classification-Data are classified into classes or groups on the basis of their numerical values.In other words, each class of data is capable of quantitative expression or can be expressed in terms of some numerical figures like weight in kg ,and height in cm.
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Answer:
Explanation:
1)Geographical (or Spatial) classification- This classification of data is based on the geographical or locational differences of the data.
2)Chronological classification- When data are classified on the basis of time, it is known as chronological classification.
3)Qualitative classification-This classification is according to qualities or attributes of the data.For ex,data may be classified on the basis of occupation, religion of the population. It is of 2 types:-
♦Simple - It is according to dichotomy. This is because data are divided on the basis of existence or absence of a quality.
♦Manifold -When classification according to quality of data involves more than one characteristic ,it is called manifold classification or multiple classification.
4)Quantitative or numerical classification-Data are classified into classes or groups on the basis of their numerical values.In other words, each class of data is capable of quantitative expression or can be expressed in terms of some numerical figures like weight in kg ,and height in cm.
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