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Visualizing Diversity of the City

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Is DIVERSITY necessary for human society?
My challenge is to numerize and visualize the DIVERSITY of the city.
I presented this story at KOBE × BARCELONA WORLD DATA VIZ CHALLENGE 2016 (http://kobe-barcelona.net/index_en.html).

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Visualizing Diversity of the City

  1. 1. Sayoko Shimoyama and Misa Nishimura VISUALIZING DIVERSITY OF THE CITY
  2. 2. DIVERSITY 多様性 DIVERSIDAD
  3. 3.  Variety and Variability of life on Earth DEFINITION OF “DIVERSITY ” IN BIOLOGY
  4. 4.  Keep ecosystem IMPORTANCE OF THE DIVERSITY
  5. 5.  resistant to invasion, deseases and environmental changes IMPORTANCE OF THE DIVERSITY
  6. 6. Is DIVERSITY Necessary for Human Society?
  7. 7. 1. Visualize and Numerize the DIVERSITY of the City  Using a biological formula to culculate “DIVERSITY INDEX”.  Statistics relate to human nature used to resemble the species. (e.g. nationality, industry types) 2. Verify the Effect of Diversity on the City  Compare with the trends of economic indicators of the city. (T.B.D.) CHALLENGE
  8. 8.  I’ll use the informations of races and occupations for visualizing DIVERSITY.  But I’m not a racist.  I don’t intend to determine the superiority or inferiority. ATTENTION
  9. 9.  Simpson’s Diversity Index  One of the most used index in Biological research  It measures the probability that two individuals randomly selected from a sample will belong to the same species. METHOD n = the total number of organisms of a particular species N = the total number of organisms of all species
  10. 10. 0 ≤ 1-λ ≤ 1 FEATURES OF THE SIMPSON’S DIVERSITY INDEX DIVERSITY HighLow A B C DE A B C D E A community dominated by one or two species is considered to be less diverse than one in which several different species have a similar abundance.
  11. 11. SUBJECT OF INVESTIGATION CITY POPULATION AREA (km2) Barcelona 1,604,555 101.4 Kobe 1,537,418 557.02 Yokohama 3,725,185 437.49
  12. 12. YOKOHAMA
  13. 13. YOKOHAMA Yokohama Station under construction fron 1915 called “Sagrada Família of Japan”
  14. 14. ① POPULATION OF THE PEOPLE FROM FOREIGN COUNTRIES
  15. 15. Population of...
  16. 16. POPULATION OF BARCELONA COUNTRY POPULATION Spain 1,371,436 Italy 25,707 Pakistan 19,414 China 17,487 France 13,281 Morocco 12,601 Bolivia 9,946 Ecuador 8,647 Philippines 8,491 Peru 8,486 0.296DIVERSITY INDEX
  17. 17. POPULATION OF KOBE COUNTRY POPULATION Japan 1,498,991 Korean 20,429 China 14,285 Vietnam 1,449 U.S.A. 1,305 India 1,071 Philippines 1,045 Brazil 558 U.K. 372 Thailand 307 0.056DIVERSITY INDEX
  18. 18. POPULATION OF YOKOHAMA COUNTRY POPULATION Japan 3,648,675 China 34,433 Korean 13,615 Philippines 7,021 Vietnam 4,204 Taiwan 2,465 Nepal 2,458 Brazil 2,399 U.S.A. 2,307 India 1,984 0.044DIVERSITY INDEX
  19. 19.  Barcelona has the highest diversity  Diversity in KOBE is higher than YOKOHAMA  Need to compare with more cities DIVERSITY IN NATIONALITY BARCELONA: 0.296 KOBE: 0.056 YOKOHAMA: 0.044
  20. 20. ② WORKERS BY INDUSTRIAL CATEGORY
  21. 21. WORKERS BY INDUSTRIAL CATEGORY IN KOBE CATEGORY POPULATION General eateries 49,025 Public health 43,662 Food and beverage retailing 42,300 Other business services industry 38,412 Social insurance, social welfare and nursing care business 32,806 Other retailers 30,111 School Education 26,349 Entertainment eateries 20,357 Road freight transportation industry 18,514 Local public service 17,459 0.971DIVERSITY INDEX
  22. 22. WORKERS BY INDUSTRIAL CATEGORY IN YOKOHAMA CATEGORY POPULATION restaurant 13,892 Real estate leasing and management industry 8,509 Other retailers 7,983 Laundry, barber, beauty and bath services 7,493 Food and beverage retailing 6,919 Public health 6,325 Job by Contractors 4,458 General Contractors 4,033 Equipment Contractors 3,856 Other education, learning support 3,734 0.958DIVERSITY INDEX
  23. 23. Classification method is different among the countries Need to make a correspondence table ISSUE: CATEGORY MATCHING ←Japan ↓Barcelona
  24. 24. 2. Survey more Data  need to use more parameter for DIVERSITY INDEX of the City 3. Verify the Effect of Diversity on the City  Compare with the trends of economic indicators of the city. (T.B.D.) NEXT CHALLENGE
  25. 25. all are different, and all are good
  26. 26.  Barcelona  Estudis de la realitat migratòria http://www.bcn.cat/estadistica/angles/dades/inf/pobest/pobest15/part1/t13.htm  Edat per grans grups d'edat de la població http://cloudbcnodata.cloudapp.net/DataBrowser/Data/OPENDATATPOBCP082015  Kobe  神戸の統計 - 毎月推計人口 http://www.city.kobe.lg.jp/information/data/statistics/toukei/jinkou/suikeijinkou.html  参考資料 - 神戸市 www.city.kobe.lg.jp/information/project/taikousannkousiryou.pdf  事業所・企業統計調査 http://www.city.kobe.lg.jp/information/data/statistics/toukei/jigyousho/index.html  Yokohama  横浜市区別外国人人口(平成28年5月末現在) http://www.city.yokohama.lg.jp/ex/stat/jinko/non-jp/new-j.html  横浜市統計ポータルサイト-人口ニュース http://www.city.yokohama.lg.jp/ex/stat/jinko/news-j.html  平成21年経済センサス-基礎調査 http://www.city.yokohama.lg.jp/ex/stat/census/kecen0907/ REFERENCE

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