Graphs, charts and maps can be used to show geographical information. Choosing the correct method of data presentation is important and knowing how to complete a graph is an essential geographical ...

GCSE Edexcel Graphical skills - Edexcel Pie charts, scatter graphs and other geographical graphs explained Graphs, charts and maps can be used to show geographical information.

They are popular because they are popular, which is a circular argument that suits a pie chart. But there are some serious downsides to using the humble pie.

The Graph Makeover Contest makes it clear that there are multiple ways to plot a data set with no one way being best. This post shows alternatives to a pair of donut charts.

Pie charts and bar graphs may look like something out of 3rd grade math, but for business users, going from raw data to a chart that’s both useful and good looking is more complicated.

The most commonly used chart type for discrete data is the column chart. Each vertical column in the chart represents one data value, with the height of the column denoting the frequency of the value.