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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Library General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Library General Public License for more details.
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# You should have received a copy of the GNU Library General
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# Public License along with this library; if not, write to the
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# Free Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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# 1999 - Diethelm Wuertz, GPL
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# 2007 - Rmetrics Foundation, GPL
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# Diethelm Wuertz <wuertz@itp.phys.ethz.ch>
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# for code accessed (or partly included) from other sources:
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# see Rmetric's copyright and license files
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################################################################################
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# test.weightsPie.portfolio
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# test.weightsPie.frontier
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################################################################################
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test.weightsPie.portfolio <-
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data = as.timeSeries(data(smallcap.ts))
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data = data[, c("BKE", "GG", "GYMB", "KRON")]
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spec = portfolioSpec()
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constraints = "LongOnly"
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portfolio = tangencyPortfolio(data, spec, constraints)
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weightsPie(portfolio, col = seqPalette(4, "Blues"), box = FALSE)
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weightsPie(portfolio, labels = letters[1:4], init.angle = -17,
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col = qualiPalette(4, "Accent"), radius = 0.7, box = FALSE)
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mtext("Portfolio Weights", line = 1, adj = 0, font = 4)
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# ------------------------------------------------------------------------------
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test.weightsPie.frontier <-
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data = as.timeSeries(data(smallcap.ts))
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data = data[, c("BKE", "GG", "GYMB", "KRON")]
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spec = portfolioSpec()
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constraints = "LongOnly"
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frontier = portfolioFrontier(data, spec, constraints)
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for (pos in 10*(1:4)) {
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weightsPie(frontier, labels = FALSE, pos = pos,
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col = qualiPalette(4, "Pastel1"),
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box = FALSE, radius = 0.6, cex = 0.8, font = 4)
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Return = round(100*getTargetReturn(frontier)[pos,], 2)
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mtext(paste("Return", Return, "%"),
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side = 3, line = 0.5, adj= 0, font = 2)
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abline(h = 1.07, lwd = 2)
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################################################################################