module Benchmark::IPS::Stats::StatsMetric

def error_percentage
  100.0 * (error.to_f / central_tendency)
end

def overlaps?(baseline)
  baseline_low = baseline.central_tendency - baseline.error
  baseline_high = baseline.central_tendency + baseline.error
  my_high = central_tendency + error
  my_low  = central_tendency - error
  my_high > baseline_low && my_low < baseline_high
end