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Pipes in R make my life incredibly easy, and I think my code easier to read. Note, there are a couple different flavors of pipes (see magrittr and pipeR). For now, I choose pipeR.library(quantmod)library(pipeR)library(ggplot2)getSymbols(“^GSPC”,from=”1900-01-01″,auto.assign=F) %>>% #get S&P 500 from Yahoo!Finance ( .[endpoints(.,”years”),4] ) %>>% #get end of year ROC( type=”discrete”, n=1
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