Exploring the optimal duration of video recording in a post-discharge e-learning platform for cardiac patients

The spread sheet in .csv format features data on video watching retention. Six colons contain: 1. Number of video 1-602. Name of the video3. Performer (doctor or peer-patient)4. video duration in seconds5. mean retention rate in % percentage of video watched6. Number of video viewsData are available only for videos watched 6 times or more.本数据集为逗号分隔值（CSV，Comma-Separated Values）格式的电子表格，收录视频观看留存相关数据。表格共包含六列：1. 视频编号（1-602）；2. 视频名称；3. 表演者（医生或病友）；4. 视频时长（单位：秒）；5. 平均观看留存率（以百分比计，即已观看该视频的用户占比）；6. 视频播放量。本数据集仅收录被观看次数达6次及以上的视频相关数据。