Genstat

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Genstat

Original author(s)	John Nelder
Developer(s)	VSN International (VSNi)
Stable release	19.1 / December 2017; 4 years ago (2017-12)[1]
Operating system	Microsoft Windows
Available in	English
Type	Statistical package
Licence	proprietary
Website	www.vsni.co.uk/software/Genstat

Genstat (General Statistics) is a statistical software package with data analysis capabilities, particularly in the field of agriculture.^[2][3]

From 1968, it was developed by Rothamsted Research in the United Kingdom, and is designed to provide modular design, linear mixed models^{[4][page needed]} and graphic functions. It is presently developed and distributed by VSN International (VSNi),^[5] which is owned by The Numerical Algorithms Group and Rothamsted Research.

Genstat is used in a number of research areas, including plant science, forestry, animal science, and medicine,^[3] and is recognized by several universities and businesses.^[which?]

Statistical features[]

Genstat includes statistical methods such as statistical tests, ANOVA, regression analysis, REML, etc.

• Manage data on Genstat’s own spreadsheet (vector, scalar, table, matrix);
• Compatible with Microsoft Excel spreadsheets (import/export);
• Illustrate data with graphics such as histograms, boxplots, scatter plots, line graphs, trellis plots, contour 3-dimensional surface plots, Kernel plots, species, Variogram, Regular grid, Irregular grid, circular plots and polar plots;
• Summarize and compare data with tabular reports, fitted distributions, and standard tests, such as t-tests, Chi-square tests, ANOVA, regression, and various nonparametric tests;
• Transform data using a general calculation facility with a wide range of mathematical and statistical functions;
• Model relationships between variables by linear or nonlinear regression, generalized linear models, generalized additive models, generalized linear mixed models or hierarchical generalized linear models, Logistics regression, Multinomial regression;
• Analyze experimental Design, ranging from One-Way ANOVA, Two-way ANOVA, Factorial Design, complex designs with several sources of error variation, using a balanced-ANOVA or a REML approach (including the modeling of correlation structures);
• Design investigations deciding on the sample size, or numbers of replicates, required to detect the anticipated treatment effects;
• Identify patterns in data by means of Multivariate techniques such as Canonical Variates Analysis, Discriminant Analysis, Factor Analysis, Cluster Analysis, Principal Components Analysis, principal coordinates analysis, MANOVA, correspondence analysis, partial least squares, classification trees and cluster analysis;
• Analyze results from Stratified Sampling or from Unstructured surveys, Simple Random Sampling, Cluster sampling;
• Analyze Six Sigma, plot Control charts, print Pareto tables and calculate capability statistics;
• Analyze Time Series, using Box-Jenkins Models or spectral analysis, Moving Average, ARIMA, Season Models;
• Analyze repeated measurements, by profile plot, analysis of variance, Multivariate, Generalized Estimating Equations, or using ante dependence structure, or by modeling the correlation over time;
• Analyze spatial patterns, using Variogram, Kriging, Automatic Analysis of Row-Column Design, Incomplete Block Design, or spatial point processes.

See also[]

• ASReml, a statistical package which fits linear mixed models to large data sets with complex variance models using Residual Maximum Likelihood (REML)

References[]

Further reading[]

Payne, R. W. (2009). "Genstat". Wiley Interdisciplinary Reviews: Computational Statistics. 1 (2): 255–258. doi:10.1002/wics.32.

External links[]

• Genstat homepage. VSN International (VSNi).

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