Data visualization notes

 Line graph start from 0 on y axis

bar chart, except histogram, start from largest to the smallest.

Pie chart contains 5 slices at most

Try not to use pie chart as much as I can! There are better ways to present data, such as bar charts than pie charts. Why? A pie chart is only good for presenting a part to a whole while it is hard to compare 2 parts in the pie chart. For showing the comparison clearly, using bar charts will be more useful and sensible.

Pie chart is good for composition of slices made up to 100%

Quantagram is made up of many identical pictogram. Quantagrams are great for small numbers that are less than 100.

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How to Master Data Visualization

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