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Data Visualisation Data Visualisation with Tableau with Tableau ExcelR Solutions
What is Data Visualisation? What is Data Visualisation? ExcelR Solutions
What is Data Visualisation? What is Data Visualisation? • Data visualization is visual representation or creation and study of the visually represented data • Communicate information clearly and efficiently using Graphs, Plots, Statistical graphics etc. • Numerical data may be encoded using dots, lines, or bars to visually communicate a quantitative message • It makes complex data more accessible, understandable ExcelR Solutions
Have we experienced visualised data earlier? Have we experienced visualised data earlier? ExcelR Solutions
Data Visualisation John_Snow_cholera ExcelR Solutions
What is Data? How is it generated? What is Data? How is it generated? ExcelR Solutions
Importance of Visualizing Data • Visualizations casts data into a format that can be easily grasped and understood much more quickly and easily than the raw number alone. • Visualization is that it allows us access to huge amounts of data in ways that would not be otherwise possible. • Visualizations allows to access more actionable insights. • Visualizations allows data to be presented both graphically and interactively. • Visualizations are effective at conveying knowledge. 15