charts are usually used when it is necessary to show how a range of some value changes in time or
due to another variable. Bar charts are alike Column charts, but their axes are inverted so the X-Axis is
vertical and the Y-Axis holding the categories is horizontal.
This chart is a demonstration of the results of a questionnaire about six world theories held by the ACME
Corp. A thousand people were asked of opinion about six most popular theories in the world: a theory of the
Solar System formation, Giant impact hypothesis (Earth's Moon formation), a theory about origin of water on
Earth, Darwin's Conception, linnaean classification of organisms and the Historical materialism theory
created by Karl Marx. There are 5 series representing the options of answers: "disagree", "not completely
disagree", "don't care", "not completely agree", "agree"; six categories along the vertical X-Axis match the
theories. Two Y-Axes stands for the percentage of people who chose each option and the value of answers:
this chart has the 0% point as a center point of range bars, and while the percentage grows both sides, the
negative values are shown to the left and the positive ("agree") ones are settled to the right from the zero
point. Grid is disabled, but the legend is on so it is possible to switch on and off those series you need.