producing a multi-figure plot, i am try to add beta_1, beta_2,.. beta_9 to
ylab using expression or substitution, but cannot work out like
for (i in 1:9){
plot(seq(1/m, 1-1/m, 1/m), beta.q[,i], type="l", col=1,
ylim=range(beta.q),
xlab="quantile", ylab=expresion(beta[i]))
}
any suggestions will be greatly appreciated.
DL
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