铁路出行系列-铁路购票人的退票次数V2

该产品是针对铁路购票人的退票次数进行统计和分析的数据产品。用户可以通过输入身份证号来查询购票人的退票次数，并根据统计结果将退票次数分为低、中、高三个等级。数据输入时，身份证号加密方式明文默认，如果需要加密，可以填写固定值作为入参，并且输入的身份证号只允许为小写字母。产品的数据更新频率为每月一次，更新数据覆盖范围是全国铁路乘客，覆盖体量达到亿人。该产品可以为持牌公司的金融类业务提供核验服务。

This product is a data tool for statistics and analysis of the refund frequency of railway ticket purchasers. Users can query the refund frequency of the specified ticket purchaser by entering their ID card number, and classify the refund frequency into three levels: low, medium and high based on the statistical results. During data input, the default encryption mode for ID card numbers is plaintext; if encryption is required, a fixed value can be used as the input parameter, and only lowercase letters are allowed for the entered ID card numbers. The product updates its data on a monthly basis, with the updated data covering all railway passengers across the country, involving a scale of hundreds of millions of individuals. This product can provide verification services for financial businesses of licensed companies.

搜集汇总

背景与挑战

背景概述

该数据集提供全国铁路购票人的退票次数统计，支持通过身份证号查询并按频次分为低中高三个等级，数据每月更新，覆盖上亿乘客，适用于金融核验等业务场景。