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arXiv 1911.00568cs.HC
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探索性数据分析的目标、过程和挑战:一项访谈研究

Goals, Process, and Challenges of Exploratory Data Analysis: An Interview Study

Kanit Wongsuphasawat, Yang Liu, Jeffrey Heer

摘要:

分析目标和背景如何影响探索性数据分析(EDA)?为了研究这个问题,我们对18位数据分析师进行了半结构化访谈。我们描述了常见的探索目标:分析(评估数据质量)和发现(获得新的见解)。虽然EDA文献主要强调发现,但我们观察到发现仅可靠地发生在开放式分析的背景下,而所有参与者都参与了所有分析。我们描述了EDA的过程和挑战,我们的采访强调。我们发现分析师必须执行重复性任务(例如,检查许多变量),但他们可能有有限的时间或缺乏领域知识来探索数据。分析师还经常必须咨询其他利益相关者,并在探索和其他任务之间摇摆不定,例如获取和争论额外的数据。基于这些观察,我们确定了探索性分析工具的设计机会,例如通过自动化和指导来增强探索。

英文摘要:

How do analysis goals and context affect exploratory data analysis (EDA)? To investigate this question, we conducted semi-structured interviews with 18 data analysts. We characterize common exploration goals: profiling (assessing data quality) and discovery (gaining new insights). Though the EDA literature primarily emphasizes discovery, we observe that discovery only reliably occurs in the context of open-ended analyses, whereas all participants engage in profiling across all of their analyses. We describe the process and challenges of EDA highlighted by our interviews. We find that analysts must perform repetitive tasks (e.g., examine numerous variables), yet they may have limited time or lack domain knowledge to explore data. Analysts also often have to consult other stakeholders and oscillate between exploration and other tasks, such as acquiring and wrangling additional data. Based on these observations, we identify design opportunities for exploratory analysis tools, such as augmenting exploration with automation and guidance.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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