Chart & Graph Terms and Chart Types

What are charts and graphs? Charts and graphs are graphical representations of data. They can be used to show trends, patterns, and comparisons in a visual way. There are many different terms that go with charts and graphs. In this blog post we will discuss some of the more commonly used terms when it comes to charting data such as bar graph, pie chart, line graph, scatter plot etc.

  • Axis – The horizontal and vertical lines that are used to measure the values on a graph.
  • Y-Axis – The axis (usually) running from left to right along the bottom of the chart, often showing numbers or units like dollars earned per hour, etc.
  • X-Axis – The axis usually running up and down on the side of a chart representing time in days, hours, minutes, seconds etc.
  • Interactive Charts – Interactive charts allow people to explore data by clicking on different points within it for more information such as highlighting trends over time with animated line graphs or getting an individualized view into someones life with interactive maps . This type of visualization can be very helpful when trying to get a better understanding about what is being represented.
  • Label – A word or phrase that explains what you are looking at in a chart.
  • Legend – A key that helps identify the different lines, shapes and symbols on a chart. To create your own legend for charts, use labels to describe each line, shape or symbol so they can be easily identified by color (such as red is sales), size (like larger circles may represent more data) etc.
  • Pie Chart – A pie chart would typically be used to show the relative size or proportion in a part of what is being represented as whole.
  • Line graph – The line graph is a type of chart that plots points, typically to show trends or patterns by connecting them with lines. Line graphs can be used for visual comparisons between two data sets and are also good at showing changes over time through measures such as height on an axis or weight on a scale.
  • Bar Graph – A bar graph is a chart that uses vertical bars to represent data on the same scale. This type of visual representation can be used for showing changes over time or as part of an historical timeline, etc.
  • Scatter Plot – The scatter plot is a graphical representation where points are plotted according to their coordinates so they form shapes like triangles and rectangles when looking at two variables together. Scatter plots generally show the relationship between two different sets of things, such as income levels in America and rates of depression diagnosis by state.

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