plot(q1$close, type="l", main="line chart" , xlab ="closing price " ,ylab ="traded days")

Warning messages:
1: In plot.window(xlim, ylim, log = log, ...) :
  graphical parameter "type" is obsolete
2: In axis(if (horiz) 2 else 1, at = at.l, labels = names.arg, lty = axis.lty,  :
  graphical parameter "type" is obsolete
3: In title(main = main, sub = sub, xlab = xlab, ylab = ylab, ...) :
  graphical parameter "type" is obsolete
4: In axis(if (horiz) 1 else 2, cex.axis = cex.axis, ...) :
  graphical parameter "type" is obsolete