统计作业代写
商科代写,金融经济统计代写-100%原创拿高分:包含了所有代写案例以及部分答案
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Financial代写 Considerthe daily returns of Caterpillar (CAT) stock from January 2, 2010 to Nov 16, Download the Caterpillar data using the ’quanmod’ package in R. Using daily closing price to construct simple returns so as to form log returns. Multiple the log returns by 100 to obtain the percentage returns. Let rt be the percentage log returns.