Links
Some useful links, which I am sometimes referring to it.
Government's Data Catalogue: https://www.data.go.jp
Government's CIO portal: https://cio.go.jp/policy-opendata
Tokyo Metro Open Data Catalogue: https://portal.data.metro.tokyo.lg.jp
Public Transportation Open Data Center: https://www.odpt.org
gBizINFO: https://info.gbiz.go.jp/index.html
V-RESAS: https://v-resas.go.jp
e-Stat Dashboard: https://dashboard.e-stat.go.jp
e-Stat Database: https://www.e-stat.go.jp/api/sample2/tokeidb
API BANK: https://www.apibank.jp/ApiBank/main
API Gallery: https://api-gallery.com
LEI Search: https://search.gleif.org/#/search
JPX Data Catalogue: https://www.jpx.co.jp/english/markets/data-catalog/index.html
Open Corporates: https://opencorporates.com
Google Finance: Cryptocurrency: https://www.google.com/finance/markets/cryptocurrencies
Buffet Code: https://www.buffett-code.com
World Bank DIME Wiki: https://dimewiki.worldbank.org/Main_Page
CRAN Task View: Econometrics: https://cran.r-project.org/web/views/Econometrics.html
CRAN Task View: Empirical Finance: https://cran.r-project.org/web/views/Finance.html