chart.CumReturns {PerformanceAnalytics}  R Documentation 
Chart that cumulates the periodic returns given and draws a line graph of the results as a "wealth index".
chart.CumReturns(R, wealth.index = FALSE, legend.loc = NULL, colorset =(1:12), begin = c("first","axis"), ...)
R 
an xts, vector, matrix, data frame, timeSeries or zoo object of asset returns 
wealth.index 
if wealth.index is TRUE , shows the "value of $1", starting the cumulation of returns at 1 rather than zero 
legend.loc 
places a legend into one of nine locations on the chart: bottomright, bottom, bottomleft, left, topleft, top, topright, right, or center. 
colorset 
color palette to use, set by default to rational choices 
begin 
Align shorter series to:

... 
any other passthru parameters 
Cumulates the return series and displays either as a wealth index or as cumulative returns.
A timeseries line chart of the cumulative return series.
Peter Carl
Bacon, Carl. Practical Portfolio Performance Measurement and Attribution. Wiley. 2004.
data(edhec) chart.CumReturns(edhec[,"Funds of Funds",drop=FALSE],main="Cumulative Returns") chart.CumReturns(edhec[,"Funds of Funds",drop=FALSE],wealth.index=TRUE, main="Value of \$1")