How to plot a bar graph on Gnuplot

Question: How can I create a bar graph (bar chart) using Gnuplot? A bar graph is a plot which visualizes data values using proportional-size bars. Bar charts are useful when you want to compare multiple items among different categories. As you can imagine, they are much more effective than a table of numerical data. This […]
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How to rotate x-axis labels on Gnuplot

Question: I want to rotate the x-axis (xtics) labels in a Gnuplot figure. What is the Gnuplot command to rotate x-axis labels? When you plot many bars along with their labels across x-axis, rotating labels on x-axis helps save space. To rotate x-axis labels on Gnuplot, you can use the following command. set xtics rotate […]
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How to draw stacked histogram on Gnuplot

Question: How can I draw a stacked histogram (stacked bar chart) using Gnuplot? In a stacked bar chart, data is visualized with items stacked on top of one another or side-by-side, and different items are differentiated by colors or patterns. Stacked histograms are useful when the sum of item values is as important as the […]
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