title: y axis labeling in plotrix (gap.boxplot)
body: <p>I have two outliers I do not want to omit from a plot so I am using <code>gap.boxplot</code> in the plotrix package. The range is great enough that I made two breaks. The lower range should be 0-400, middle 2050-2150, and upper 4850-5000. I've made a plot I am happy with, but the tics on the y-axis are not displaying correctly.</p>
  
  <p>How can I change the tics so the correct ranges are displayed on the y-axis?</p>
  
  <pre><code>gap.boxplot(data$a ~ data$month,
  gap=list(top=c(2150,4850),bottom=c(400,2050))
  ytics = seq(0, 5000, by = 50), 
  axis.labels=T)
  
  
  zz = 
  s_id    month   a  
  1   jun 0  
  2   jun 1  
  3   jun 3  
  4   jul 28  
  5   jul 56  
  6   jul 43  
  7   jun 0  
  8   jun 4900  
  9   jun 8  
  10  jul 12  
  11  jul 56  
  12  jul 92  
  13  jul 4  
  14  jul 0  
  15  jul 0  
  16  jun 356  
  17  jun 0  
  18  jun 49  
  19  jun 2100  
  20  jun 0  
  21  jun 89
  </code></pre>
  
  <p>data = read.table(text=zz, header = TRUE)</p>