     .text("Hover over a column in the top panel and the corresponding histogram is shown below; " +
           "click for it to persist; click again to make it go away.")
 
-
 )
        .y((d) -> lowyScale(d))

  randomInd = indindex[Math.floor(Math.random()*data.ind.length)]
  console.log("randomInd: #{randomInd}")

  hist = lowsvg.append("path")
    .datum(data.counts[randomInd])

  # add legend
  text = "The top panel is like #{data.ind.length} boxplots:\n"
  text += "lines are drawn at the "
  for q,i in data.qu
    if i > 0
      text += ", "
