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Data Analysis

BARs related to analysis of non-image numerical data.

###Clipboard to Results Imports numeric values (delimiter-separated values), copied to the clipboard into the Results table. Useful, since BARs that analyze tabular data can only read values from the main IJ Results table. (Download .py)

See also Create Boxplot, Plot Results

###Create Boxplot Displays a box-and-whisker plot from data in the ImageJ Results table using the JFreeChart library, bundled with Fiji. Data can be split into groups and plot can be exported as vector graphics (publication-quality). It exemplifies how to use the BAR API (namely PlotUtils) to script JFreeChart. (Download .bsh)

boxplot

See also Clipboard to Results, Plot Results, JFreeChart API

###Distribution Plotter Plots relative and cumulative frequencies on a double Y-axis graph of a measured parameter. Detailed functionality: 1) Retrieves relative and cumulative frequencies; 2) Fits a Normal distribution to histogram of relative frequencies; 3) Offers several methods to determine the optimal number of histogram bins: Square root (used by e.g., M. Excel), Sturges', Scott's (used by Analyze>Distribution...) and Freedman–Diaconis'.

(Download .ijm) (Documentation page)

###Find Peaks Retrieves local maxima and minima from an ImageJ plot, allowing several filtering options such as: 1) Peak amplitude; 2) Peak height and 3) Peak width.

(Download .bsh) (Documentation page)

###Fit Polynomial Fits a polynomial function (of arbitrary degree) to sampled data from an ImageJ plot. Features an heuristic algorithm for guessing a polynomial 'best fit'.

Requires the apache commons math library, distributed with Fiji. Non-Fiji users that do not have it installed are provided with a direct download link that will install all required dependencies. (Download .bsh)

###Plot Results The interactive plotting GUI for ImageJ. Interactively creates a multi-series XY plot (with or without error bars), from ImageJ measurements or imported spreadsheet data. Multi-series vector field plots are also supported. (Download .bsh)

See also Clipboard to Results, Create Boxplot

##See Also

  • Analysis, BARs that complement built-in commands in the ImageJ Analyze> menu.
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