渔船进出港管理数据

通过对渔船进出港口报备信息的数据分析，公司可以了解渔港的船舶流量、作业时间、进出港时间等分布情况，合理安排船只的进出港时间，避免拥堵，为优化资源配置提供决策支持。渔船进出港管理数据主要来源于渔船进出港报告系统，数据清洗：对收集到的数据进行清洗，去除重复、错误和无效的数据，确保分析结果的准确性和可靠性。数据处理：确保所有进出港记录的时间戳都是统一的格式，将时间戳从原始格式转换为适合进行数学运算的格式，除以15分钟的秒数，然后取整数部分，以整数部分为聚合的键，收集所有属于该时间段的进出港记录进行计数。包括进港船只数量、出港船只数量、总船只数量等，分析每个时间段的进出港情况，识别出高峰期、平峰期、低峰期（当该时间总船只数＞≥8为高峰期，8＞总船只数＞2为平峰期，总船只数≤2为低峰期），生成针对船只的调度指令。通过时间聚合算法得出该时间段内的进出港情况，为进出港口的船只提供合理的指令，高峰期指令：拥堵需等待，平峰期：有序通行，低峰期：通行。

By analyzing the data of fishing vessel port entry and exit declarations, the company can grasp the distribution of vessel traffic, operating hours, port entry and exit times and other indicators in fishing ports, reasonably arrange the port entry and exit schedules of vessels to avoid congestion, and provide decision support for optimizing resource allocation. The management data of fishing vessel port entry and exit mainly comes from the fishing vessel port entry and exit reporting system. Data cleaning: Clean the collected data, remove duplicate, erroneous and invalid data to ensure the accuracy and reliability of analysis results. Data processing: Ensure that all port entry and exit records have unified timestamp formats, convert the original timestamps into a format suitable for mathematical operations, divide by 900, the number of seconds in a 15-minute interval, then take the integer part, use this integer as the aggregation key, collect and count all port entry and exit records belonging to this time slot. This includes the count of inbound vessels, outbound vessels and total vessels, analyze the port entry and exit status of each time slot, identify peak periods, mid-peak periods and off-peak periods: peak period when the total number of vessels in the time slot is ≥ 8; mid-peak period when 2 < total number of vessels < 8; off-peak period when the total number of vessels ≤ 2, and generate vessel scheduling instructions. Obtain the port entry and exit status of the time slot through the time aggregation algorithm, and provide reasonable instructions for vessels entering and exiting the port: for peak periods, instruct vessels to wait due to congestion; for mid-peak periods, instruct vessels to pass in an orderly manner; for off-peak periods, instruct vessels to pass directly.

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渔船进出港管理数据包含渔船进出港的详细信息，数据规模为2550条，更新频次为每半小时。该数据用于分析渔港船舶流量和优化船只调度。