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The dist extension for NetLogo makes it easy to plot frequency distributions and complementary cumulative distribution functions in NetLogo.

The extension is still very raw and hasn't been fully tested. Don't use it in production code.

Download it from the Releases page.

The latest version of the extension should work with NetLogo 6.0.2.

Reports a list of pairs, where the first element of the pair is a value and the second element is the frequency of that value in the values list. Values must be integers. Those that aren't are truncated (not rounded).

The log-x? and log-y? arguments are booleans allowing one or both elements of the pair to be reported as base 10 logarithms.

Examples:

observer> show dist:frequencies [1 1 1 2 2 3] false false
observer: [[0 0] [1 3] [2 2] [3 1]]
observer> show dist:frequencies [1 1 1 2 2 3] true true
observer: [[0 0.47712125471966244] [0.3010299956639812 0.3010299956639812] [0.47712125471966244 0]]

Reports a list of pairs, corresponding to points in an complementary cumulative distribution function. Values can be floating point numbers.

The log-x? and log-y? arguments are booleans allowing one or both elements of the pair to be reported as base 10 logarithms.

Example:

observer> show dist:ccdf [1 1 1 2 2 3] false false
observer: [[1 1] [2 0.5] [3 0.16666666666666666]]
observer> show dist:ccdf [1 1 1 2 2 3] true true
observer: [[0 0] [0.3010299956639812 -0.3010299956639812] [0.47712125471966244 -0.7781512503836436]]

The dist:plot-points command could be used with any list of points expressed as pairs, but it is especially convenient for using with dist:frequencies and dist:ccdf.

For example:

dist:plot-points dist:ccdf [ number-of-citations ] of scientists true true

Could result in: