Bar chart
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English: A bar chart is a chart with rectangular bars with lengths proportional to the values that they represent. Bar charts are used for comparing two or more values. The bars can be horizontally or vertically oriented. Sometimes a stretched graphic is used instead of a solid bar.
History
- Nicholas Oresme, 15th century
- Philippe Buache, ca. 1770
- William Playfair, 1786
- William Playfair, 1821
- William Playfair, 1822
- André-Michel Guerry, 1833
- Charles Joseph Minard, 1844
- Charles Joseph Minard, 1844
- 1959
- 1959
- 1963
- 1988
Orientation
Horizontal
Vertical
Special orientation
- Horizontal negative bars
- Horizontal positive and negative bars
- Horizontal double bars
- Vertical double bars
Number of bars
Number of bars in the chart
- 1 bar
- 2 bars
- 3 bars
- 4 bars
- 5 bars
- 7 bars
- 8 bars
- 9 bars
- 10 bars
- 11 bars
- 12 bars
- 15 bars
Number of bars sets
- Single bars
- Double bars
- Triple bars
- Set of five bars
Number of bar parts
- Bars in one part
- With in three parts
- With four parts
- With five parts
Special bar charts
3D bar charts
Combination with line graphs
See also: Category:Pareto charts
Combination with pie charts
Combination with tables
Cummulative bar charts
Histograms
A histogram is a graphical display of tabulated frequencies. It shows what proportion of cases fall into each of several categories. A histogram differs from a bar chart in that it is the area of the bar that denotes the value, not the height, a crucial distinction when the categories are not of uniform width. See Category:Histograms
Pareto chart
A Pareto chart is a special type of bar chart where the values being plotted are arranged in descending order. The graph is accompanied by a line graph which shows the cumulative totals of each category, left to right. See Category:Pareto charts