swh:1:snp:d1587d616651317fdcebcbb237dce82c32266449
Tip revision: 944271d20ffa4fb36a171791c34afaae5325f74a authored by Rmetrics Core Team on 08 February 2010, 00:00:00 UTC
version 2110.79
version 2110.79
Tip revision: 944271d
gui-stableSlider.R
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Library General Public License for more details.
#
# You should have received a copy of the GNU Library General
# Public License along with this library; if not, write to the
# Free Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
# Copyrights (C)
# for this R-port:
# 1999 - 2008, Diethelm Wuertz, Rmetrics Foundation, GPL
# Diethelm Wuertz <wuertz@itp.phys.ethz.ch>
# www.rmetrics.org
# for the code accessed (or partly included) from other R-ports:
# see R's copyright and license files
# for the code accessed (or partly included) from contributed R-ports
# and other sources
# see Rmetrics's copyright file
################################################################################
# FUNCTION: STABLE SLIDERS:
# stableSlider Displays stable distribution function
################################################################################
stableSlider <-
function()
{
# A function implemented by Diethelm Wuertz
# Description:
# Displays the stable distribution
# FUNCTION:
# Internal Function:
refresh.code = function(...)
{
# Sliders:
N = .sliderMenu(no = 1)
alpha = .sliderMenu(no = 2)
beta = .sliderMenu(no = 3)
gamma = .sliderMenu(no = 4)
delta = .sliderMenu(no = 5)
pm = .sliderMenu(no = 6)
# Compute Data:
xmin = round(qstable(0.01, alpha, beta, gamma, delta, pm), digits = 2)
xmax = round(qstable(0.99, alpha, beta, gamma, delta, pm), digits = 2)
s = seq(xmin, xmax, length = N)
y1 = dstable(s, alpha, beta, gamma, delta, pm)
y2 = pstable(s, alpha, beta, gamma, delta, pm)
main1 = paste("Stable Density\n",
"alpha = ", as.character(alpha), " | ",
"beta = ", as.character(beta), " | ",
"gamma = ", as.character(gamma), " | ",
"delta = ", as.character(delta))
main2 = paste("Stable Probability\n",
"xmin 0.01% = ", as.character(xmin), " | ",
"xmax 0.99% = ", as.character(xmax), " | ",
"pm = ", as.character(pm))
# Frame:
par(mfrow = c(2, 1), cex = 0.7)
# Density:
plot(s, y1, type = "l", xlim = c(xmin, xmax), col = "steelblue")
abline (h = 0, lty = 3)
title(main = main1)
# Probability:
plot(s, y2, type = "l", xlim = c(xmin, xmax), ylim = c(0, 1),
col = "steelblue" )
abline(h = 0.0, lty = 3)
abline(h = 1.0, lty = 3)
abline(h = 0.5, lty = 3)
abline(v = delta, lty = 3, col = "red")
title(main = main2)
# Reset Frame:
par(mfrow = c(1, 1), cex = 0.7)
}
# Open Slider Menu:
.sliderMenu(refresh.code,
names = c( "N", "alpha", "beta", "gamma", "delta", "pm"),
minima = c( 10, 0.00, -1.00, 0.00, -5.0, 0),
maxima = c( 1000, 2.00, +1.00, 5.00, +5.0, 2),
resolutions = c( 50, 0.20, 0.20, 1.00, 1.0, 1),
starts = c( 50, 1.80, 0.00, 1.00, 0.0, 0))
}
################################################################################