There are various types of graphs used to visually represent data, such as bar graphs, pie charts, and histograms. Chenxing Li, a postdoctoral researcher at the University of Georgia's Center for ...
16 December 2005 The bar chart is one of the oldest and most recognised project reporting models. Also called the Gantt chart after Henry Gantt, who first used it in 1917 for a US Navy project, it is ...
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