: You can find detailed usage instructions and methodological backgrounds in the original GRADISTAT paper (PDF) .
Available as a free download, designed to work seamlessly within Microsoft Excel (including versions 2007/2010). Original Version: Also available for earlier Excel versions. Kenneth Pye Associates Ltd
You need to run a classic Gaussian logit regression on a single gradient, you have fewer than 200 samples, and you hate installing R packages.
: The tool generates frequency plots, cumulative distribution curves, and ternary diagrams (e.g., Gravel-Sand-Mud or Sand-Silt-Clay). : It can handle up to 250 samples gradistat v 91 free
Generates comprehensive summaries, including gravel/sand/mud percentages, and creates histograms and ternary plots. Versatility:
: The software automatically generates frequency plots and ternary diagrams to visualize sediment composition. Why Researchers Choose GRADISTAT
Because GRADISTAT runs inside Microsoft Excel, its requirements are minimal: Windows or macOS operating system. Microsoft Excel (Version 2007 or newer recommended). : You can find detailed usage instructions and
Open Microsoft Excel first. Go to File > Options > Trust Center > Trust Center Settings > Macro Settings . Select Disable VBA macros with notification or Enable VBA macros (depending on your organization's security policy).
Once GradiStat is set up, the process is straightforward. The following steps outline how to analyze multiple samples.
Given the challenges in obtaining GRADISTAT v9.1, it is worth considering the modern, freely available alternatives that offer similar or enhanced functionality. These open-source tools often provide more robust statistical methods and are compatible with a wider range of modern systems. Kenneth Pye Associates Ltd You need to run
GRADISTAT is an integrated package for Microsoft Excel that automates the calculation of grain size statistics from unconsolidated sediments. While older versions like were designed for Excel 2010, researchers have frequently utilized updated iterations for modern workflows. Key Features and Capabilities
Enter your sieve data (weights) or laser data (percentages) in the designated areas. Run Analysis: Click the button to calculate statistics.
GRADISTAT is an in-house particle size analysis software integrated into a Microsoft Excel spreadsheet. It works by accepting percentage or raw mass data from physical sediment testing methods and running automatic calculations via macros.