customizing format of yaxis annotation Performance Analytics

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Paul,

In the future, please post a reproducible example.
?chart.TimeSeries
data(managers)
chart.TimeSeries(managers[,1]) # Normal plot
chart.TimeSeries(managers[,1], yaxis=FALSE)
axis(2, at=pretty(managers[,1]), labels=sprintf("%s%%",
pretty(managers[,1]) * 100))

Is this what you're looking for?

pcc
Peter Carl
http://www.braverock.com/~peter

> I am trying to change the format of my yaxis annotation for
> chart.TimeSeries (really chart.CumReturns and chart.Drawdown) from numeric
> decimal to a percentage.
>
> Something like:
>
> axis(2, at=pretty(y), labels=sprintf("%s%%", pretty(y) * 100)
>
>
> I have been looking for a solution all afternoon with no success. I saw
> nothing in the PerformanceAnalytics documentation. I tried suppressing the
> y-axis (yaxt='n') in chart.TimeSeries and then add my own custom y-axis.
> For my final effort,I copied the code from chart.TimeSeries and created my
> own custom.chart.TimeSeries by tweaking the yaxis code to accomplish my
> goals.
>
> I would like to know if there is any elegant solution I am missing before
> I
> pursue a more brute force method.
>
> Thanks,
> Paul
> ----
> Paul Ramer, CAIA
> PJR Investment Strategies, ltd.
> paul.ramer at gmail.com
> (303) 359-4192
>
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>
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