P. C. Mahalanobis YouTube Lecture Handouts on National Statistical Days for Arunachal Pradesh PSC

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P. C. Mahalanobis - (Mahalanobis Distance, ISI, National Statistical Day) -29th June

  • Celebrating 125th birthday in 2018

  • Founder of ISI – Indian Statistical Institute

  • Member of 1st Planning Commission

  • His grandfather was involved in social reform movements by Brahmo Samaj & was influenced by Debendranath Tagore

  • His Teachers – J.C. Bose & P.C Ray

On 17 December 1931: Mahalanobis along with Pramatha Nath Banerji (Minto Professor of Economics), Nikhil Ranjan Sen (Khaira Professor of Applied Mathematics) and Sir R. N. Mukherji established Indian Statistical Institute (ISI)

ISI was registered on 28 April 1932 as a non-profit distributing learned society under the Societies Registration Act XXI of 1860

Gained major assistance through Pitamber Pant (secretary to JL Nehru)

Started journal Sankhya in line with Karl Pearson’s Biometrika

Mahalanobis Distance

  • It is used to find how much a point diverges from a distribution, based on measurements in multiple dimensions.

  • It corresponds to standard Euclidean distance in the transformed space.

  • It is unitless and scale-invariant

  • It takes into account the correlations of the data set

29Th June – National Statistical Day

Mahalanobis appears in the 2015 movie The Man Who Knew Infinity about the life of Srinivasa Ramanujan.

  • Honored with a Google doodle on his birthday on 29th June 2018.

  • Fellow of the Indian Academy of Sciences (FASc, 1935)

  • Fellow of the Indian National Science Academy (FNA, 1935)

  • Weldon Memorial Prize from the University of Oxford (1944)

  • Fellow of the Royal Society, London (1945)

  • President of Indian Science Congress (1950)

  • Honorary Fellow of King's College, Cambridge (1959)

  • Fellow of the American Statistical Association (1961)

  • Padma Vibhushan (1968)