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About Prasanta Chandra Mahalanobis
Prasanta Chandra Mahalanobis (Bengali: প্রশান্ত চন্দ্র মহলানবিস) (June 29, 1893 – June 28, 1972) was a renowned Indian scientist and applied statistician. He was popularly address as P.C.Mahalanobis. He is best remembered for the Mahalanobis distance, a statistical measure. He made pioneering studies in anthropometry in India. He founded the Indian Statistical Institute, and contributed to the design of large-scale sample surveys for which he designed the method known as fractile graphical analysis. He was honoured with the Padma Vibhushan, the second highest civilian honour of the Government of India for his contribution to science and services to the country. He is regarded as the "Father of Statistical Science in India". Born and primarily educated at his native village in Munshiganj.
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“In India, there's lack of appreciation of the need to cross-examine data, the responsibility of a statistician.”
“India has a medieval and authoritarian structure of society and the tradition of science is not yet strong. The power of government officials is increasing as an inescapable result of the pervasive anthoritarian character of lndian society.”
“It would be, however, a fatal mistake to establish an expensive system of education on the model of the advanced countries which would have little relevance to local needs and would be beyond the means of the national economy. It is necessary to evolve a system, through experimentation and trial and success, which would be within the means of the national economy.”
“some evidence is available to indicate that, in India, an increase in the income of the poorer people leads to an increase in the size of the family; and also that this tapers off after a certain critical level of income is attained, and is followed by a reduction in the size of the family at higher levels of living When a sufficient number of people reach the critical income, there would be a gradual decrease in the average birth rate with further increase in income.”
“Population in India is widely differentiated in ethnic composition, geographical and climatic conditions, social and cultural stratification, as well as by differences in economic status. Differential fertility therefore assumes a far more complex picture in India than anywhere in the world. Ethnic. geographical. socio-cultural and economic dilferences give a four-fold patterning with many complicated interactions. It is essential therefore to study different population groups separately.”
“He sometimes spoke of "zero" as the symbol of the absolute (Nirguna Brahman) of the extreme monistic school of Hindu philosophy, that is, the reality to which no qualities can be attributed, which cannot be defined or described by words and which is completely beyond the reach of the human mind. According to Ramanujan the appropriate symbol was the number "zero" which is the absolute negation of all attributes.”
“The spirit and outlook of 'Sankhya' will be universal, but its form and content must necessarily be, to some extent, regional. We shall keep the special needs of India in view without, however, restricting the scope of the journal in any way. We shall naturally devote closer attention to the collection and analysis of data relating to India, but we shall try to study all Indian questions in relation to world problems.... The study of modern statistical methods in its infancy in our country, and we do not expect to be able to achieve immediate results. We shall be satisfied if we can help by our humble efforts to lay the foundations for future work.”
“In the absence of social awareness and appreciation of the scientific objectivity among sufficiently large number of civil servants or political leaders,the need of validity has not yet been accepted in the official statistical system in India. Ofcial statistics in India is treated as an integral part of the dministrative system which is regulated by the principle of authority. Approval of statistical estimates at a high level of authority is accepted as a bstitnte for validity in many ases there is continuing opposition to independent cross-hccks for the validity of the data. Officials have the feeling that two independent estimates, which might differ would be confusing and, in fact unthinkable; therefore independent cross-checks in statistics should be eliminated.”
“Without the progress of equality and improvement in the level of living at least beyond the poverty line, for one quarter of the population of the world who live in South Asia, there would be grave repercussions on the rest of the world. The problem of the underdeveloped country is, in one sense, of greater concern to the advanced countries because international rivalries and tensions arise from the desire to establish spheres of influence over underdeveloped areas. The very existence of underdeveloped regions would he therefore a continuing threat to world security, and world peace. A quick transformation of the underdeveloped countries into industrialized economies would reduce the sphere of conflicting interests; and hence decrease the tension between East and West.”
“The transformation of the advanced countries to their present stage has been brought about by the acceptance of a scientific and rational view of life and nature. The scientific view has already permeated in a large measure the administrative organizations of the advanced countries. The scientific revolution, the social revolution and the industrial revolution are three aspects of the modernization of every society; these three aspects may be distinguished but cannot be separated. The rate of economic growth in every country is determined both directly and indirectly by the rate of progress of science and technology; directly through the utilization of the results of research and development, and indirectly through institutional changes brought about by the increasing influence of the scientific out-look and tradition.”
“We believe that the idea underlying this integral concept of statistics finds adequate expression in the ancient Indian work Sankhya in |Sanskrit the usual meaning is ‘number‘, but the original root meaning was ‘determinate knowledge’ in the Atharva Veda a derivative from Sankhyata occurs both in the sense of ‘well-known‘ as well as ‘numbered’. The lexicons give both meanings. Amarakosa gives Sankhya – vicarana (deliberation, analysis) as well as ‘number’; also Sankhyavan – panditah (wise, learned).”
“Because demography is concerned with human affairs and human populatlons it is possible, in principle, to consider demography as a sub-field of many other subjects. It provided the scope of any particular subject-field like anthropology, genetics, ecology, economics, sociology, etc., and is defined in a sufficiently comprehensive manner. While not denying the possibility of considering demography as a sub-field of one or another subject, at least for certain special purposes, it is suggested that demography should be logically viewed as the totality of convergent and inter-related factors and topics which (although these could be, spearately, the concern of many difl'erent subjects like genetics and anthropology, sociology, education, psychology. economics, social and political affairs etc.) jointly, together with their mutual inter-actions, form the determinants as well as the consequences of growth (or decline), changes in composition, territorial movements, and social mobility of population in different geographical regions or in the world as a whole, at any given period of time, or over difl'erent periods of time. Such a view would supply an aggregative, inter-related, and mutually interacting system of all those factors which have any influence over, or are influenced by, demographic or population changes over space and time.”
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Prasanta Chandra Mahalanobis on Hindu–Arabic numeral system
“He sometimes spoke of "zero" as the symbol of the absolute (Nirguna Brahman) of the extreme monistic school of Hindu philosophy, that is, the reality to which no qualities can be attributed, which cannot be defined or described by words and which is completely beyond the reach of the human mind. According to Ramanujan the appropriate symbol was the number "zero" which is the absolute negation of all attributes.”
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Uma Dasgupta on Prasanta Chandra Mahalanobis 2 quotes
“[He} was one of Tagore's rare friends who did not place him simply on a high pedestal full of only aura and fame, but treated him as a lively intellectual and affectionate companion.”
Source on Prasanta Chandra Mahalanobis 4 quotes
“The 'Mahalanobis Era' in statistics which started in the early twenties has ended. Indeed it will be remembered for all time to come as the golden period of statistics in India, marked by intensive development of a new technology and its applications for the welfare of mankind.”
Jawaharlal Nehru on Prasanta Chandra Mahalanobis
“...l have been deeply struck by his broad and comprehensive approach to National Development and his astonishing energy. He is full of ideas and it is always a pleasure to discuss any subject with him.”
Sir Ronald Fisher on Prasanta Chandra Mahalanobis
“I need hardly say that I refer to the emergence of a statistically competent technique of Sample Survey, with which I believe Professor Mahalanobis name will always be associated.”
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“No technique of random sample has, so far as I can find, been developed in the United States or elsewhere, which can compare in accuracy or in economy with that described by Professor Mahalanobis.”
About Prasanta Chandra Mahalanobis
Prasanta Chandra Mahalanobis (Bengali: প্রশান্ত চন্দ্র মহলানবিস) (June 29, 1893 – June 28, 1972) was a renowned Indian scientist and applied statistician. He was popularly address as P.C.Mahalanobis. He is best remembered for the Mahalanobis distance, a statistical measure. He made pioneering studies in anthropometry in India. He founded the Indian Statistical Institute, and contributed to the design of large-scale sample surveys for which he designed the method known as fractile graphical analysis. He was honoured with the Padma Vibhushan, the second highest civilian honour of the Government of India for his contribution to science and services to the country. He is regarded as the "Father of Statistical Science in India". Born and primarily educated at his native village in Munshiganj.