Histogram
constructor(id: Int = -1, element_id_fk: Int = -1, sim_run_id_fk: Int = -1, response_id_fk: Int = -1, response_name: String = "", bin_label: String = "", bin_num: Int = -1, bin_lower_limit: Double? = null, bin_upper_limit: Double? = null, bin_count: Double? = null, bin_cum_count: Double? = null, bin_proportion: Double? = null, bin_cum_proportion: Double? = null)