| RFinanceYJ-package | Japanese finance market from Yahoo!-finance-Japan |
| quoteFundTsData | quote Japanese investment trust fund from Yahoo!-finance-Japan |
| quoteFXTsData | quote foreign exchange rate from Yahoo!-finance-Japan |
| quoteStockTsData | quote Japanese stock market from Yahoo!-finance-Japan |
| quoteStockXtsData | quote Japanese stock market from Yahoo!-finance-Japan |
| RFinanceYJ | Japanese finance market from Yahoo!-finance-Japan |
| toXts | convert to xts from DataFrame |