Graphical Statistical Analysis Tool

版本 1.0.3 (804.0 KB) 作者: Lorenzo Cappelli
The GSAT allows to identify and separate the different lognormal populations that contribute to a natural distribution of geochemical data.
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更新 2023/3/16

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The Graphical Statistical Analysis Tool (GSAT) allows to easily identify and separate the different lognormal populations that contribute to a natural distribution (measured) of a geochemical dataset. The code is based on the graphical method described by Sinclair (1974) which uses probability plots. It can be used for different kinds of geochemical data (assuming a natural lognormal distribution of populations), but particularly is designed for diffuse soil CO2 fluxes for which total areal emissions can be computed.

引用格式

Lorenzo Cappelli (2026). Graphical Statistical Analysis Tool (https://ww2.mathworks.cn/matlabcentral/fileexchange/122017-graphical-statistical-analysis-tool), MATLAB Central File Exchange. 检索时间: .

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版本 已发布 发行说明
1.0.3

The new release allows importing the fitting limits for populations and the model from previous files or modifying them directly from the proper popup window.

1.0.2

Fixed file name error. Enlarged font and markers in plots. Allowed automatic uploading of fit limits from previous result files.
1.0.1

The code has been optimized for four population distributions.
1.0.0