Hi, I am do some plotting and need to add title to each of the plots, Can
anyone help me on how to add the variables to the title?

here it is the program, the title i want should look like, j=1, j=2......,
but if i use title("j=",j), the j will go to the x axis. Can anyone help me
on this?
thanka s lot


for (j in 1:6) {

   y<-mx.j(x,j)


   sx<-mx.j(x,j)+sigma*ei
   plot(x,y, type="l",xlab="x", ylab="")

   title("j=",j)
}

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