2.4 Using Programs with Data

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1. Exam Points

  • Process data given in the question to get desired information.
  • Select the data/databases to be used for a given scenario.
  • Determine information based on given data.

2. Knowledge Points

(1) Data Compression

  • Programs can be used to process data to acquire information.
  • Data processing steps:
    • Filter (数据过滤): Ex. keep only books of a certain type.
    • Sorting (数据排序): Ex. sort data in ascending order or descending order.
    • Combine (数据合并): Ex. combine two different spreadsheets.
    • Visualizing (数据可视化): visualize a data set through a chart or graph.
  • In each step, some programs/softwares can be used to help process data effectively.
    • Programs such as spreadsheets and databases help efficiently organize and find trends in information.
    • Tables, diagrams, text, and other visual tools can be used to communicate information gained from data.

3. Exercises