Nothing
setClass("MS_Simul",representation(
nr="numeric" ,
dep="matrix" ,
indep="matrix" ,
Coeff="list" ,
S="numeric" ,
trueStates="matrix" ,
k="numeric" ,
distrib="character" ))
print.MS_Simul<-function(MS_Simul_In)
{
nr =MS_Simul_In@nr
S =MS_Simul_In@S
n_S =sum(MS_Simul_In@S)
n_nS =length(S)-n_S
nIndep =ncol(MS_Simul_In@indep)
S_S =which(S==1)
S_nS =which(S==0)
Coeff =MS_Simul_In@Coeff
k =MS_Simul_In@k
distrib =MS_Simul_In@distrib
# Sending output to R
cat('\n\n***** Simulated Markov Switching Model *****\n\n')
cat('Number of simulated observations:',nr,'\n')
cat('Number of explanatory variables:',nIndep,'\n')
cat('Distribution Assumption:',distrib,'\n')
cat('\n***** True Parameters *****\n');
cat('\n---> Non Switching Parameters <---\n');
if (n_nS==0)
cat('\nThere was no Non Switching Parameters. Skipping this result')
else
{
for (i in 1:n_nS)
{
cat('\n Non Switching Parameter at Indep collumn', S_nS[i]);
cat('\n Value: ', Coeff$nS_param[i])
}
}
cat('\n\n---> Switching Parameters <---\n');
for (i in 1:k)
{
cat('\n State', i);
cat('\n Model Standard Deviation:', Coeff$sigma[i])
if (distrib=="t")
{
cat('\n Degrees of Freedom: ', Coeff$v[i])
}
}
for (i in 1:n_S)
{
cat('\n\n Switching Parameters for Indep collumn', S_S[i],'\n');
for (j in 1:k)
{
cat('\n State ', j);
cat('\n Value: ',Coeff$S_param[i,j])
}
}
cat('\n\n---> Transition Probabilities Matrix <---\n');
for (i in 1:k)
{
cat('\n ')
for (j in 1:k)
{
str<-sprintf('%4.2f ',Coeff$P[i,j])
cat(str)
}
}
cat('\n')
}
# Plotting function for MS_Simul S4 Object
plot.MS_Simul<-function(MS_Simul_In)
{
k<-MS_Simul_In@k
niceColors<-c("red","blue","green","black")
allColors<-colors()
for (i in 1:length(niceColors))
{
idx<-which(niceColors[i]==allColors)
allColors=allColors[-idx]
}
if (k>4)
myColors<-c(niceColors,sample(allColors,k-length(niceColors)))
else
myColors<-niceColors[1:k]
col<-myColors
par(mfrow=c(2,1))
plot(MS_Simul_In@dep,
xlab="Time",
ylab="Simulated Time Series",
type='l')
title("Simulated Time Series")
matplot(MS_Simul_In@trueStates,
xlab="Time" ,
ylab="True States" ,
type='l',
col=col)
title("True States")
myStr<-c("State 1")
for (i in 2:MS_Simul_In@k)
{
str<-sprintf("State %i",i)
myStr<-c(myStr,str)
}
legend('topright',myStr,col=col,lty=1)
}
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