Bar chart is the most common chart type that is useful for displaying a variety of data. This type of charts is used for comparing two or more values. Possibility of comparison of data makes it easily understandable for the on lookers. What makes Bar Charts so popular? When data is represented in form of a Bar chart for comparing, the human eye finds it very easy to compare the data and quickly draw conclusions. Bar Charts deployed with ElegantJ Charts are a great visual aide and add a touch of professionalism to any Web page or document that requires display of data.
Bar Charts can be used for:
Comparing independent data sets
Money distribution by time
Production against time
Components and functions of Bar Charts:
Bar charts comprise an axis and a series of labeled horizontal or vertical bars that show different
values for each bar.
Components of a Bar Chart can be used to display a wide variety of information.
Data is grouped together according to categories, displaying one bar for each item in that category.
A Bar Chart can compare distinct items or show single items at distinct intervals.
While comparing competitive items, placing longest bar on top and placing the rest in descending
order after the longest one will make it very effective.
In Bar chart, a class or group can have a single category of data or they can be broken down further
into multiple data categories for greater depth of analysis.
Each bar is colour-coded according to the data series that it represents.
Sometimes a stretched graphic is used instead of a solid bar.
The numbers along side of the Bar charts are called the scale.
For each bar in the Bar chart, the following statistics can be calculated:
Sum: The sum value in the series.
Count: The count value in the series.
Valid Count: The valid count value in the series.
Average: The average value in the series.
Valid Average: The valid average value in the series.
Maximum: The maximum value in the series.
Minimum: The minimum value in the series.
ElegantJ Charts offers these sub-types of Bar Chart: