- Use underline '_' for space in data lables: 'name_1' will be viewed as 'name 1'.
- Use 2 underlines '__' for 1 underline in data labels: 'name__1' will be viewd as 'name_1'

## How does a bar graph work?

A bar graph is a diagram that compares different values, with longer bars representing bigger numbers. Bar graphs are also known as bar charts. You can make either a horizontal bar graph or a vertical bar graph. Use a bar graph to show how different things compare in terms of length or value.A bar chart or bar graph is a chart or graph that presents categorical data with rectangular bars with heights or lengths proportional to the values that they represent. The bars can be plotted vertically or horizontally. A vertical bar chart is sometimes called a column chart.

A bar graph shows comparisons among discrete categories. One axis of the chart shows the specific categories being compared, and the other axis represents a measured value. Some bar graphs present bars clustered in groups of more than one, showing the values of more than one measured variable.

Bar charts have a discrete domain of categories, and are usually scaled so that all the data can fit on the chart. When there is no natural ordering of the categories being compared, bars on the chart may be arranged in any order. Bar charts arranged from highest to lowest incidence are called Pareto charts.

Bar graphs/charts provide a visual presentation of categorical data.[4] Categorical data is a grouping of data into discrete groups, such as months of the year, age group, shoe sizes, and animals. These categories are usually qualitative. In a column bar chart, the categories appear along the horizontal axis; the height of the bar corresponds to the value of each category.

## How to create a bar graph

- Enter the title, horizontal axis and vertical axis labels of the graph.
- Enter data label names or values or range.
- Set number of data series.
- For each data series, enter data values with space delimiter, label and color.
- Check horizontal bars or stacked bars if needed.
- Press the Draw button to generate the bar graph.
- Press the × reset button to set default values.

Add your data with just a few clicks Justfreetools graph generator is the visual person's answer to graphs. No more confusing X and Y axes. We laid it all out in a template so you can see exactly how everything fits together from the beginning. Add your data with just a few clicks. Click to change and add labels.

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