HarvardX Person-Course Academic Year 2013 De-Identified dataset, version 3.0

This release is comprised of de-identified data from the first year (Academic Year 2013: Fall 2012, Spring 2013, and Summer 2013) of HarvardX courses on the edX platform along with related documentation. These data are aggregate records, and each record represents one individual's activity in one edX course. For more information about the existing analyses of these data and the first year of HarvardX courses, please see the HarvardX and MITx working paper \"HarvardX and MITx: The first year of open online courses\" by Andrew Ho, Justin Reich, Sergiy Nesterko, Daniel Seaton, Tommy Mullaney, Jim Waldo, and Isaac Chuang (http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2381263). The first release of this dataset is the HarvardX Person-Course Academic Year 2013 De-Identified dataset, version 3.0, created on November 12, 2019. File name: HXPC13_DI_v3_11-13-2019.csv The md5sum for this release (HXPC13_DI_v3_11-13-2019.csv) is: 53419b486c3b19c14d2f06612980f630

本次发布包含edX平台上哈佛X（HarvardX）课程首学年（2013学年：2012年秋季、2013年春季及2013年夏季）的去标识化数据（de-identified data）及相关文档。本数据集采用聚合记录形式，每条记录对应一名学习者在单门edX课程中的学习活动。如需了解本数据集的已有分析内容以及哈佛X课程首学年的相关信息，请参阅由Andrew Ho、Justin Reich、Sergiy Nesterko、Daniel Seaton、Tommy Mullaney、Jim Waldo与Isaac Chuang合著的哈佛X与麻省理工X（MITx）工作论文"HarvardX and MITx: The first year of open online courses"，链接地址：http://papers.ssrn.com/sol3/papers.cfm?abstract_id=2381263。本数据集的首个发布版本为哈佛X学习者-课程2013学年去标识化数据集（HarvardX Person-Course Academic Year 2013 De-Identified dataset）3.0版，创建于2019年11月12日，文件名为：HXPC13_DI_v3_11-13-2019.csv。本次发布文件（HXPC13_DI_v3_11-13-2019.csv）的MD5校验和为：53419b486c3b19c14d2f06612980f630