function findmaxinmultiset(ms)
  local max, winner
  for elem, count in pairs(ms) do
    if max == nil or count > max then
      max, winner = count, elem
    end
  end
  return winner
end

  map = {["#326"]={A={66,66},B={95,95},H={98,98},P={96,96},X={76,76}},["#327"]={A={82,82},B={82,82},H={95,95},P={54,54},X={88,88}},["#328"]={A={59,59},B={64,64},H={93,93},P={58,58},X={80,80}}}
  letters = {}

  for feature, submap in pairs(map) do
    f = otherresults[feature]
    if f == nil then error("Need recalc, waiting for "..feature) end
    _, _, value = string.find(f, ": ([0-9.]+)")
    if value ~= nil then
      value = tonumber(value)
      local mindist, closestletter
      for letter, range in pairs(submap) do
        local dist
        if value >= range[1] and value <= range[2] then
          dist = 0
        else
          dist = value < range[1] and range[1]-value or value-range[2]
        end
        if mindist == nil or dist < mindist then
          closestletter, mindist = letter, dist
        end
      end
      if closestletter ~= nil then
        letters[closestletter] = letters[closestletter] == nil and 1 or letters[closestletter]+1
      end
    end
  end
  
  winner = findmaxinmultiset(letters)
  if winner ~= nil then
    return "Probably: "..winner
  end

Began life as a copy of #1000071