Alternatives to SigmaPlot

Written by david paige
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"SigmaPlot" is a data analysis program that makes collecting and visualising scientific data easy to accomplish. While "SigmaPlot" is a popular program, there are plenty of alternatives available, should you wish to try them.


"QtiPlot" is a scientific data analysis program that works on Windows, Mac OS X and Linux/Unix-based operating systems. The program can import various data files, such as Excel workbooks, Open Document spreadsheets and OriginLab projects. It also plots in OpenGL, meaning the visualisation given off by the data will be in 3-D, and will allow you to easily see what the data means.


"SciDAVis," short for "Scientific Data Analysis and Visualization," is another program that gathers data and created a visual representation. Available for Windows, Mac OS X and Linux/Unix-based operating systems, the program claims to have a small learning curve and an overall ease of use. It also publishes 2-D plots for various types of charts, such as pie, bar and line graphs, and can export the graphs into picture formats. It also has a multi-level undo/redo for working on tables and matrices, meaning you can undo your most recent changes.


"Origin" analyses data of all types, such as peak analysis, curve fitting, typical statistics and signal processing. It also contains a project explorer that allows you to easily organise your projects. It contains more than 70 types of graphs, from 3-D graphs to windrose, ternary and 2-D vector graphs. It includes two programming languages: "Origin C," a language based on the "C" language, and a scripting language, known as "LabTalk." You can also write and debug your own code via the included code builder.


"DPlot" is a program that includes all of the features the average user needs. It contains various scaling types for plots such as logarithmic, linear and probability scales. Additionally, there are a variety of contour plots shown as 3-D data, such as a 3-D projection, contour lines and waterfall plots. Other features include the ability to easily show curves in your data, the ability to record an AVI video file of your data in action and the option to add a background image to your data to amplify the point you are trying to make.

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