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PAST is a free, easy-to-use data analysis package aimed at paleontology.
Inspired by PALSTAT, it includes common statistical, plotting and
modelling functions:
A spreadsheet-type data entry form
Graph, scatter, histogram, ternary and survivorship plots
Regression: Linear (Standard and Reduced Major Axis), lin-log (exponential), log-log (allometric), logistic, von Bertalanffy, sum-of-sines, B-splines.
F, T, Chi-squared, Kolmogorov-Smirnov, Mann-Whitney, Shapiro-Wilk,
Spearman's Rho and Kendall's Tau tests, correlation, contingency tables,
one-way ANOVA.
Diversity statistics, rarefaction. Dice, Jaccard and Raup-Crick similarity
indices.
Multivariate statistics: Principal Components (with Minimal Spanning Tree),
Principal Coordinates, Correspondence analysis with detrending, Cluster
analysis (three algorithms, nine distance measures), seriation,
discriminant analysis, Hotelling's t-squared.
Time series analysis: Spectral analysis, autocorrelation.
Geometrical analysis: Directional statistics, rose plots,
point distribution statistics, Fourier shape analysis, elliptic Fourier
shape analysis.
Simple parsimony analysis (cladistics): Exhaustive,
branch-and-bound and heuristic algorithms, Wagner, Fitch and Dollo characters.
Bootstrap, strict and majority rule consensus trees.
Biostratigraphy with the method of Unitary Associations
Included in the distribution are real data sets for educational
use, together with extensive documentation and case studies.
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Download PAST
Documentation and case studies (HTML)
Documentation (Adobe Acrobat)
Screen shots
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