小编nab*_*san的帖子

这是我计算 10 只股票的股票波动率的代码：

   ##------------producing stock volatility plot---------##

p1 = ggplot(Closed_Price_Return, aes(Date, R.BPCL)) + geom_line(color = "blue") + 
     theme_bw()
p2 = ggplot(Closed_Price_Return, aes(Date, R.TCS)) + geom_line(color = "green") +
     theme_bw()
p3 = ggplot(Closed_Price_Return, aes(Date, R.CIPLA)) + geom_line(color = "red") +
     theme_bw()
p4 = ggplot(Closed_Price_Return, aes(Date, R.EICHER)) + geom_line(color = "pink") +
     theme_bw()
p5 = ggplot(Closed_Price_Return, aes(Date, R.INFY)) + geom_line(color = "yellow") +
     theme_bw()
p6 = ggplot(Closed_Price_Return, aes(Date, R.LT)) + geom_line(color = "purple") +
     theme_bw()
p7 = ggplot(Closed_Price_Return, aes(Date, R.MARUTI)) + geom_line(color …