Environmental data for the community dataset cliff.sp
Preston diversity analysis
Confidence interval for the product of two proportions
PM 2.5 pollutant data from Pocatello Idaho.
Animated demonstration of randomized sampling designs
Mahalanobis distance for two sites using a pooled covariance matrix
Caribou count data
Animated demonstration of frequentist binomial convergence of probability using a coin flip.
Geometric mean
One sample z-test
Alpine soil temperature and moisture time series
Z and t confidence intervals for mu.
Chi plots for diagnosing multivariate independence.
Huber M-estimator iterative least squares algorithm
Repeated measures data for an exercise experiment.
Fern environmental sex determination data
Jacknife pseudo-values
Functions for calculating alpha diversity.
Datasets for resource use and availability
Conducts pairwise post hoc and planned comparisons associated with an ANOVA
GUI display of probability
Visualize t-tests
Confidence intervals for ratios of proportions when the denominator is known
CO2 exchange time series data
Variance and standard error estimators for the sampling distribution of the sample mean
Corn yield data
Normal quantile plots for single or multiple factor levels
DEM data from the Starkey experimental forest in NE Oregon.
Portneuf River longitudinal N and P data.
Bivariate boxplots
Grizzly bear litter sizes
Winsorize data
Snoring and heart disease contingency data
Population levels in various countries since 1980
Compilations of genus and species counts from Simberloff (1970)
World CO2 levels, by country, from 1980 to 2006
Rat glycogen data from Sokal and Rohlf (2012).
Trim data
Mack-Skillings test
Potash/cotton strength data
Monte Carlo hypothesis testing for two samples.
Tippett cuckoo egg data
Modified Levene's test
Shading functions for interpretation of pdf probabilities.
Soil potassium analyses from 8 laboratories
An agricultural split plot design
Mouse life expectancy data.
Harmonic mean
Asthma repeated measures dataset from Littell et al. (2002)
Hodges-Lehman estimator of location
Mammalian BMR and biomass data from Savage et al. (2004)
Baby walking times experimental data
Kaplan-Meier survivorship.
Esophageal cancer data modified slightly to create a balanced three-way
factorial design
Power analysis for a one sample z-test
Functions for customizing correlation matrices