メモ library(RFinanceYJ) library(aplpack) library(RColorBrewer) SINCE <- '2012-01-01' DATE.END <- '2012-12-31' Yahoo <- quoteStockTsData('4689.T',since=SINCE, date.end=DATE.END) DeNA <- quoteStockTsData('2432.T',since=SINCE, date.end=DATE.…