title: Draw a plot for a matrix in r
body: <p>I have a matrix with three variables Row = Time, column = Date and the third variable Money which its value is an intersection of rows and columns. e.g. For <code>Time = 5</code> and <code>Date = 10</code>, Money is 12 and for <code>Time = 6</code> and <code>Date = 15</code>, Money is 15. I would like to draw the value of Money for the intersection of <code>x_axis = Time</code> and <code>Y_axis = Date</code>. </p>
  
  <p>How to place Money in below?   </p>
  
  <pre><code>plot.new()  
  matplot(Time,Date, type = "p", lty = 1:5, lwd = 1, lend = par("lend"),col = 1,
          pch = 17 , xlab = "Time", ylab = "Date", xlim = range(0,40), ylim = range (0,120))  
  </code></pre>