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Data visualisations to compare data:

Data visualisations to compare data:. Types of data visualisations. Data visualisation is a visual representation of data that would normally be hard to understand Displaying data in a visual form adds clarity 4 main ways of using data visualisation: Comparing data

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Data visualisations to compare data:

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  1. Data visualisations to compare data:

  2. Types of data visualisations • Data visualisation is a visual representation of data that would normally be hard to understand • Displaying data in a visual form adds clarity • 4 main ways of using data visualisation: • Comparing data • Showing distributions of data • Showing relationships between data • Showing the composition of data

  3. Types of data visualisations • Data visualisations to compare data: • Tools to compare data: • Charts • Data list • Line chart or histogram • Data visualisations to show distribution of data • Histogram, shows how data has changed over a timeframe, eg. Hrs, days, months, yrs • Line histogram • Scatter charts

  4. Histogram

  5. Data visualisations to show relationships between data: Scatter chart

  6. Data visualisations to show relationships between data: bubble chart

  7. Sources of authentic data • Primary source data, directly acquired from the source • Secondary source data is an interpretation of a primary event or primary source data • Primary source:, obtained through measurement, data-collection forms, eg. Interviews, direct observation, email • Secondary source, gathered from the published work of someone else, eg. Books, etc; online databases, internet.

  8. Data Integrity • Data integrity, the degree to which the data is correct • Data integrity is important because information is used to make decisions and take actions • Validating data ensures high data integrity

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