The standard deviation, indicating the uniformity of the sample. Skewness: The asymmetry of the distribution curve.
Run your data through GradiStat v9.1 to get the numeric optima, then immediately copy-paste those numbers into Excel or R for plotting. Do not attempt to use GradiStat for final figure generation.
While Gradistat V 9.1 is a commercial software, there are several ways to access it for free: gradistat v 91 free
For both methods, GRADISTAT outputs four critical statistics: The average particle size.
Indicates the uniformity of the sample, categorizing it from "Very Well Sorted" to "Extremely Poorly Sorted". The standard deviation, indicating the uniformity of the
GRADISTAT is widely praised in academic literature because it provides comprehensive outputs with minimal user setup. 1. Standard Statistical Calculations
: It computes mean, mode, sorting, skewness, and kurtosis using both the Method of Moments Folk and Ward graphical methods Data Scales Do not attempt to use GradiStat for final figure generation
A fully revised version called GRADISTAT-PRO is currently under development to offer enhanced functionality. Where to Access