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Paper代写:Prasanta Chandra Mahalanobis

2019-03-13 | 来源:51due教员组 | 类别:Paper代写范文

本篇paper代写- Prasanta Chandra Mahalanobis讨论了马哈拉诺比斯。作为印度统计领域学家,马哈拉诺比斯以其对大规模抽样调查的统计和开创性贡献而闻名世界。马哈拉诺比斯以创新的技术应用和先进的科学社会价值取向,为复杂技术环境的发展做出了巨大的贡献。由于他在学术上的杰出成就,特别是统计学的贡献,印度政府决定选择629日作为国家统计日,以纪念他的生日。本篇paper代写51due代写平台整理,供大家参考阅读。

Prasanta Chandra Mahalanobis was born on 29 June 1893 and died on 28 June 1972. As a father figure in Indian Statistics, Mahalanobis is well-known for his  statistic and pioneering contributions to large scale sample surveys. He is also remembered for his historic role in modernizing the Indian statistical system, applications including dams and five year economic plans and contributions to statistical systems of other countries as Chair of the UN Subcommission on Statistics.

In the nineteenth century, a social and cultural awakening shook the province of Bengal. Prasanta Chandra Mahalanobis’s grandfather set up an organization named the Sadharan Brahmo Samaj and his father was an active member of this organization. Coming from a family like this, Prasanta Chandra Mahalanobis could be called as a child of a renaissance. Prasanta Chandra finished his schooling in Calcutta in 1908. In 1912, he graduated with honors in Physics from Presidency College. In 1915, he went to England to finish Tripos in Mathematics and Physics from Kings College, Cambridge. Getting a first class in Physics, he was awarded a Senior Research Fellowship. But it was a pity that he did not complete his studies because of the war. Afterwards, he found a job as a teacher in Calcutta and did many interesting things during his leisure time.

His interest was wide. In Cambridge, his tutor, W.H.Macaulay aroused Mahalanobis’s interest in the journal Biometrika. Mahalanobis was so keen on the articles that he bought the whole set of volumes he could find and took it back to Calcutta. These books opened a new world for him and changed his life for ever. After he went back to Calcutta, one of his mentors, Acharya Brojendranath Seal who had an interest in statistics, asked for Mahalanobis’s help to analyze examination results of Calcutta university. It has an important impact on Mahalanobis’s life and work. Then, Mahalanobis met Nelson Annandale who was the Director of Zoological and Anthropological survey of India. Annandale required Mahalanobis to analyze the data of anthropometric measurements on Anglo-Indians of Calcutta. Afterwards, Sir Gilbert Walker asked Mahalanobis to conduct research on some meteorological problems. Owing to Mahalanobis’s important discovery on Meteorology, he was given a post as Meteorologist in the Alipore Observatory from 1922 to 1926.

The most important thing that Mahalanobis had done was to set up the Indian Statistical Institute with the help of other colleagues. Moreover, Mahalanobis invited Norbert Wiener (1894-1964) to work at the Indian Statistical Institute for seven months from late 1955. Through bringing international experts to his students and staff, Mahalanobis had achieved the creation of a world class institution within a decade of India’s independence. 

His most prominent contribution to India or even to the whole world was the introduction of Mahalanobis distance. It was a distance measure in statistics based on correlations between variables by which different patterns could be identified and analyzed. It gauged similarity of an unknown sample set to a known one. Mahalanobis distance had far-reaching repercussions in many scientific fields. For example, it could be used in an automatic on-line cutting tool condition monitoring process based on digital image processing. The other instance was to identify the human facial expressions based on the application of Mahalanobis distance.

With innovative application of technology and advanced approach to the social value of science, Mahalanobis had made great contributions to the development of the sophisticated technology environment. Thanks to his outstanding achievements in his academic career especially the progression of statistics, the government of India had decided to choose 29 June as National Statistical Day in the memory of his birthday.

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