Free online tool for analyzing hot/cold numbers and omissions in Double Color Ball lottery, with frequency statistics based on user data. No installation required.
基于用户录入或导入的双色球开奖数据，统计红球与蓝球号码的出现频次、当前遗漏与最大遗漏，以冷热号看板形式展示。
双色球爱好者难以快速从历史开奖数据中获取号码的冷热状态和遗漏情况，手动统计费时且易错。
输入：用户录入或导入的双色球开奖数据（期号、中奖号码，可选日期）。输出：红球和蓝球的号码频次统计表，包含出现次数、当前遗漏和最大遗漏，并以冷热号颜色区分。
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双色球彩票爱好者、数据分析爱好者，以及希望基于历史数据了解号码冷热趋势的彩民。
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