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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Ross,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Is there a vignette yet for using these chart functions? If not, a couple of code examples?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Doug<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> gsoc-porta-bounces@lists.r-forge.r-project.org [mailto:gsoc-porta-bounces@lists.r-forge.r-project.org] <b>On Behalf Of </b>Ross Bennett<br><b>Sent:</b> Monday, August 19, 2013 10:17 PM<br><b>To:</b> PortfolioAnalytics<br><b>Subject:</b> Re: [GSoC-PortA] chart.* as generics<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Brian,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I have just a couple quick questions regarding chart.Weights and chart.RiskReward as generic functions and cleaning up the documentation as you did with the versioned functions.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>My plan is to use an alias for the chart.Weights.* functions for the different classes and then have a generic chart.Weights function with a call to UseMethod("chart.Weights"). The first argument is RP for chart.Weights.RP, DE for <a href="http://chart.Weights.DE">chart.Weights.DE</a>, and so on. Should the arguments of the chart.Weights.* functions be the same?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Should we have the @param and other tags only for one function? Would that go on the generic chart.Weights function?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>My approach would be the same for the chart.Scatter.* functions.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thanks,<o:p></o:p></p></div><div><p class=MsoNormal>Ross<o:p></o:p></p></div></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>On Sun, Aug 18, 2013 at 1:21 PM, Brian G. Peterson <<a href="mailto:brian@braverock.com" target="_blank">brian@braverock.com</a>> wrote:<o:p></o:p></p><p class=MsoNormal>Sounds good. - Brian<o:p></o:p></p><div><p class=MsoNormal><br><br>On 08/18/2013 03:06 PM, Ross Bennett wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><div><p class=MsoNormal>Brian,<br><br>Thanks for clarifying, I was worried that might be the case. I could add<br>a new function named chart.RiskReward and make that our generic function<br>and use an alias for the existing chart.Scatter.* functions. It could<br>look something like this:<br><br>chart.RiskReward.optimize.portfolio.ROI <- chart.Scatter.ROI<br>chart.RiskReward.optimize.portfolio.random <- chart.Scatter.RP<br><br>Would that be ok and worthwhile to do?<br><br>Ross<br><br><br><br>On Sun, Aug 18, 2013 at 12:05 PM, Brian G. Peterson <<a href="mailto:brian@braverock.com" target="_blank">brian@braverock.com</a><o:p></o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><mailto:<a href="mailto:brian@braverock.com" target="_blank">brian@braverock.com</a>>> wrote:<br><br> On 08/18/2013 01:35 PM, Ross Bennett wrote:<br><br><br> The PerformanceAnalytics packages already has a chart.Scatter<br> function.<br> Will we have any naming or masking issues if I make chart.Scatter a<br> function for the different optimize.portfolio.objects?<br><br><br> It's easy to make chart.Weights a generic, but it will be much<br> harder with chart.Scatter.*<o:p></o:p></p></div><p class=MsoNormal> Because PerformanceAnalytics is on CRAN and much more widely used,<o:p></o:p></p><div><p class=MsoNormal><br> we'd need to match the argument list, and create a<br> chart.Scatter.default in PerfA. I don't see any way to match the<br> argument list though.<br><br> --<br> Brian<o:p></o:p></p></div></blockquote><div><div><p class=MsoNormal>_______________________________________________<br>GSoC-PortA mailing list<br><a href="mailto:GSoC-PortA@lists.r-forge.r-project.org" target="_blank">GSoC-PortA@lists.r-forge.r-project.org</a><br><a href="http://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/gsoc-porta" target="_blank">http://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/gsoc-porta</a><o:p></o:p></p></div></div></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>