# 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 # info@rmetrics.org # 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: SPECIFICATION: # 'garchSpec' S4: garchSpec Class representation # garchSpec S4: Creates a 'garchSpec' object from scratch # show.garchSpec S4: Print method for an object of class 'garchSpec' ################################################################################ test.garchSpec = function() { # ARCH(1) - use default omega and default alpha[1] garchSpec(model = list()) # ARCH(1) - use default omega and specify alpha garchSpec(model = list(alpha = 0.2)) # ARCH(1) - specify omega and alpha garchSpec(model = list(omega = 3.0e-6, alpha = 0.3)) # AR(1)-ARCH(1) - use default omega/alpha and specify alpha[1] garchSpec(model = list(ar = 0.5)) # AR([1,5])-ARCH(1) - use default omega, specify alpha and subset ar[.] garchSpec(model = list(ar = c(0.5,0,0,0,0.1), alpha = 0.25)) # ARMA(1,2)-ARCH(1) - use default omega/alpha and specify ar[1]/ma[2] garchSpec(model = list(ar = 0.5, ma = c(0.3, -0.3))) # ARMA(2,2)-ARCH(1) use default omega/alpha and specify ar[2]/ma[2] garchSpec(model = list(ar = c(0.5, -0.5), ma = c(0.3,-0.3))) # ARCH(2) - use default omega and specify alpha[2] garchSpec(model = list(alpha = c(0.12, 0.04))) # GARCH(1,1) - use just defaults garchSpec() # GARCH(1,1) - use default omega and specify alpha/beta garchSpec(model = list(alpha = 0.2, beta = 0.7)) # GARCH(1,1) - specify omega/alpha/beta garchSpec(model = list(omega = 1e-6, alpha = 0.1, beta = 0.8)) # GARCH(1,2) - use default omega and specify alpha[1]/beta[2] garchSpec(model = list(alpha = 0.1, beta = c(0.4, 0.4))) # GARCH(2,1) - use default omega and specify alpha[2]/beta[1] garchSpec(model = list(alpha = c(0.12, 0.04), beta = 0.08)) # rsnorm-ARCH(1) - use defaults with skew Normal garchSpec(model = list(dist = 2), cond.dist = "snorm") # rged-ARCH(1) using default omega and alpha[1] garchSpec(model = list(dist = 4), cond.dist = "ged") # rsged-ARCH(1) using default omega and alpha[1] garchSpec(model = list(dist = c(4, 2)), cond.dist = "sged") # rstd-ARCH(1) using default omega and alpha[1] garchSpec(model = list(dist = 4), cond.dist = "std") # rsstd-ARCH(1) using default omega and alpha[1] garchSpec(model = list(dist = c(4, 2)), cond.dist = "sstd") # TS-GARCH(1,1) garchSpec(model = list(delta = 1)) # AR(1)-t-APARCH(2, 1) garchSpec(model = list(mu = 1.0e-4, ar = 0.5, omega = 1.0e-6, alpha = c(0.10, 0.05), gamma = c(0, 0), beta = 0.8, delta = 1.8, dist = c(nu = 4, xi = 0.5)), cond.dist = "sstd") # Return Value: return() } ################################################################################