Method q1

pose_graph/include/utils/Accumulator.h:122–125

------------------------------------------------------------------------ */ First quartile.

  /* ------------------------------------------------------------------------ */
  // First quartile.
  inline SumType q1() const {
    CHECK_GT(samples_.size(), 0);
    return samples_.at(std::ceil(samples_.size() / 4) - 1);
  }

  /* ------------------------------------------------------------------------ */
  // Third quartile.