[Returnanalytics-commits] r3368 - pkg/PortfolioAnalytics/man
noreply at r-forge.r-project.org
noreply at r-forge.r-project.org
Tue Apr 15 03:49:35 CEST 2014
Author: rossbennett34
Date: 2014-04-15 03:49:25 +0200 (Tue, 15 Apr 2014)
New Revision: 3368
Modified:
pkg/PortfolioAnalytics/man/create.EfficientFrontier.Rd
pkg/PortfolioAnalytics/man/meanetl.efficient.frontier.Rd
pkg/PortfolioAnalytics/man/meanvar.efficient.frontier.Rd
Log:
Updating man files for efficient frontier
Modified: pkg/PortfolioAnalytics/man/create.EfficientFrontier.Rd
===================================================================
--- pkg/PortfolioAnalytics/man/create.EfficientFrontier.Rd 2014-04-15 00:11:31 UTC (rev 3367)
+++ pkg/PortfolioAnalytics/man/create.EfficientFrontier.Rd 2014-04-15 01:49:25 UTC (rev 3368)
@@ -49,13 +49,17 @@
"mean-sd", or "mean-StdDev":}{ This is a special case for
an efficient frontier that can be created by a QP solver.
The \code{portfolio} object should have two objectives:
- 1) mean and 2) var. The efficient frontier will be
+ 1) mean and 2) var. If the portfolio object does not
+ contain these objectives, they will be added using
+ default parameters. The efficient frontier will be
created via \code{\link{meanvar.efficient.frontier}}.}
\item{"mean-ETL", "mean-ES", "mean-CVaR", "mean-etl":}{
This is a special case for an efficient frontier that can
be created by an LP solver. The \code{portfolio} object
should have two objectives: 1) mean and 2) ETL/ES/CVaR.
- The efficient frontier will be created via
+ If the portfolio object does not contain these
+ objectives, they will be added using default parameters.
+ The efficient frontier is created via
\code{\link{meanetl.efficient.frontier}}.}
\item{"DEoptim":}{ This can handle more complex
constraints and objectives than the simple mean-var and
Modified: pkg/PortfolioAnalytics/man/meanetl.efficient.frontier.Rd
===================================================================
--- pkg/PortfolioAnalytics/man/meanetl.efficient.frontier.Rd 2014-04-15 00:11:31 UTC (rev 3367)
+++ pkg/PortfolioAnalytics/man/meanetl.efficient.frontier.Rd 2014-04-15 01:49:25 UTC (rev 3368)
@@ -23,11 +23,11 @@
}
\description{
This function generates the mean-ETL efficient frontier
- of a portfolio specifying constraints and objectives. To
- generate the mean-ETL efficient frontier, the portfolio
- must have two objectives 1) "mean" and 2) "ETL/ES/CVaR".
- If the only objective in the \code{portfolio} object is
- ETL/ES/CVaR, the we will add a mean objective.
+ of a portfolio specifying the constraints and objectives.
+ The \code{portfolio} object should have two objectives:
+ 1) mean and 2) ES (or ETL or cVaR). If the portfolio
+ object does not contain these objectives, they will be
+ added using default parameters.
}
\author{
Ross Bennett
Modified: pkg/PortfolioAnalytics/man/meanvar.efficient.frontier.Rd
===================================================================
--- pkg/PortfolioAnalytics/man/meanvar.efficient.frontier.Rd 2014-04-15 00:11:31 UTC (rev 3367)
+++ pkg/PortfolioAnalytics/man/meanvar.efficient.frontier.Rd 2014-04-15 01:49:25 UTC (rev 3368)
@@ -6,8 +6,8 @@
n.portfolios = 25, risk_aversion = NULL, ...)
}
\arguments{
- \item{portfolio}{a portfolio object with constraints and
- objectives created via \code{\link{portfolio.spec}}}
+ \item{portfolio}{a portfolio object with constraints
+ created via \code{\link{portfolio.spec}}}
\item{R}{an xts or matrix of asset returns}
@@ -29,10 +29,11 @@
}
\description{
This function generates the mean-variance efficient
- frontier of a portfolio specifying constraints and
- objectives. To generate the mean-var efficient frontier,
- the portfolio must have two objectives 1) "mean" and 2)
- "var".
+ frontier of a portfolio specifying the constraints and
+ objectives. The \code{portfolio} object should have two
+ objectives: 1) mean and 2) var (or sd or StdDev). If the
+ portfolio object does not contain these objectives, they
+ will be added using default parameters.
}
\author{
Ross Bennett
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