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Google Data Analytic Certificate 课1June 19, 2026

The Wonderful World of Data

数据分析流程概述

数据分析过程包括六个阶段:

  • 提问(ask)Define the problem and confirm stakeholder expectations
  • 准备(prepare)Collect and store data for analysis
  • 处理(process)Clean and transform data to ensure integrity
  • 分析(analyze)Use data analysis tools to draw conclusions
  • 分享(share)Interpret and communicate results to others to make data-driven decisions
  • 行动(act)Put your insights to work in order to solve the original problem

数据生命周期与工具

  • 数据虽然不是生命体,但有其生命周期,数据分析师通过合适的工具让数据“活起来”。
  • 常用的数据分析工具包括电子表格、数据库、查询语言和可视化软件。

规划阶段

  • 在分析项目开始前确定所需的数据类型,管理方式和预期结果。
  • 多种来源,公开或内部数据。
  • 数据库要确保数据完整性,可信度,和隐私。还有数据清洗保证后续分析。
  • 利用数据解决问题,支持决策和实现目标。

数据归档 VS. 销毁

  • 归档阶段将不常用但仍需保存的数据存储起来,避免干扰分析。
  • 销毁阶段安全删除数据,保护公司及客户隐私,如使用数据擦除软件和碎纸处理。

Plan:

Decide what kind of data is needed, how it will be managed, and who will be responsible for it.

Capture:

Collect or bring in data from a variety of different sources.

Manage:

Care for and maintain the data. This includes determining how and where it is stored and the tools used to do so.

Analyze:

Use the data to solve problems, make decisions, and support business goals.

Archive:

Keep relevant data stored for long-term and future reference.

Destroy:

Remove data from storage and delete any shared copies of the data.

Discussion & Questions