How to Graph Figures for Biomedical Journals
A graph is a visual representations that shows the relationship between different quantities plotted on axes. Some well-known examples of graphs are pie, bar and line charts. Graphs often accompany scientific papers and journal articles: they can be helpful to illustrate a trend, a relationship between variables or show a certain pattern. While many biomedical journals have specific guidelines to assist authors with submitting illustrations, there are some general guidelines you should follow to produce a high-quality chart.
Instructions
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Decide whether your data is suitable for a graph. A graph should only be used for data if it shows definite trends or distinct differences between classes of data. Additionally, you should only use graphs for data that is difficult to describe in the text. In other words, keep graphs to a minimum.
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Use software such as Microsoft Excel, Open Office or Maple to chart your data. Hand-drawn charts are undesirable for publication.
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Number each figure in a logical order, according to where they are mentioned in your article.
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Submit your graphs on separate pages following your reference section. Each figure should have a legend (a description of the patterns or colors used in the graph).
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Tips & Warnings
A graph needs to be visually stimulating: unless your data has something to vividly display you should consider a table, and not a graph.
Organize more than one chart in a logical order so that they tell a story (for example, trends over time).
Make sure your images are the highest-quality possible. Check with the relevant journal for specific image guidelines.
Don't duplicate descriptions or data. For example, don't label your axes "time" and "temperature" then label the graph "time vs. temperature."
