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Using the attached R code (lel.R) get the daily equity prices data for the Japanese Nikkei 225 stock index for the period 2005/01/04-2021/12/31 from finance.yahoo.com

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Using the attached R code (lel.R) get the daily equity prices data for the Japanese Nikkei 225 stock index for the period 2005/01/04-2021/12/31 from finance.yahoo.com (use ticker /N225) and answer questions 1-3. Note that you need to make several changes in the code, such as replacing ^GSPC index with ^N225 and several other parameters in the code

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