| Agrostis variabilis cover measurements | agrostis |
| Aids and veterans dataset | aids |
| An agricultural split plot design | alfalfa.split.plot |
| Functions for calculating alpha diversity. | alpha.div Simp.index SW.index |
| Animation demonstrations of confidence intervals. | anm.ci anm.ci.tck |
| Animated demonstration of frequentist binomial convergence of probability using a coin flip. | anm.coin anm.coin.tck |
| Animated demonstration of density for a continuous pdf | anm.cont.pdf see.pdf.conc.tck |
| Animated depiction of six-sided die throws. | anm.die anm.die.tck |
| Animated depiction of experimental designs | anm.ExpDesign anm.ExpDesign.tck ExpDesign |
| Animated depictions of population growth | anm.exp.growth anm.exp.growth.tck anm.geo.growth anm.geo.growth.tck anm.log.growth anm.log.growth.tck |
| Animated plots of log-likelihood functions | anm.loglik anm.loglik.tck loglik.binom.plot loglik.custom.plot loglik.exp.plot loglik.norm.plot loglik.plot loglik.pois.plot |
| Animated plot of least squares function. | anm.ls anm.ls.tck |
| Animated plot of the least squares function. | anm.ls.reg anm.ls.reg.tck |
| Animated depictions of Lotka-Volterra competition and exploitation models | anm.LVc.tck anm.LVcomp anm.LVe.tck anm.LVexp |
| Animation of Markov Chain Monte Carlo walks in bivariate normal space | anm.mc.bvn anm.mc.bvn.tck anm.mc.norm |
| Animated demonstration of randomized sampling designs | anm.samp.design anm.samp.design.tck samp.design |
| Anolis lizard contingency table data | anolis |
| Anscombe's quartet | anscombe |
| Ant honeydew data | ant.dew |
| Agresti-Pendergrast test | AP.test |
| Asthma repeated measures dataset from Littell et al. (2002) | asthma |
| Area under a receiver operating characteristic (ROC) curve | auc |
| Baby walking times experimental data | baby.walk |
| Bat forearm length as a function of bat age | bats |
| Bayesian graphical summaries for discrete or categorical data. | Bayes.disc Bayes.disc.tck |
| Bayesian linear models with uniform priors | bayes.lm print.blm |
| Barro Colorado Island Tree Counts | BCI.count |
| Tree presence/absence data from Barro Colorado island | BCI.plant |
| Brunner-Dette-Munk test | BDM.2way BDM.test print.BDM |
| Grizzly bear litter sizes | bear |
| Wood boring beetle data | beetle |
| Determine agreement of two classifications | best.agreement print.max_agree |
| Conversion between binary digits and decimal numbers | bin2dec dec2bin dec2bin.twos |
| Bombus pollen data. | bombus |
| Bone development data | bone |
| Pulldown menus for 'asbio' interactive graphical functions | book.menu |
| Bootstrap CI of M-estimators differences of two samples | boot.ci.M print.bci |
| A simple function for bootstrapping | bootstrap print.bootstrap |
| Angle of azimuth to a boundary. | bound.angle |
| Barplots with error bars (including interval plots) | bplot |
| Bromus tectorum dataset | bromus |
| Bivariate boxplots | bv.boxplot |
| Make plots of bivariate normal distributions | bvn.plot |
| Atmospheric carbon and D14C measurements | C.isotope |
| Caribou count data | caribou |
| Dataset of mammal traits from Ramsey and Schaefer (1997) | case0902 |
| Dataset of salary attributes for male and female workers from Ramsey and Schafer (1997) | case1202 |
| Chi plots for diagnosing multivariate independence. | chi.plot |
| Chronic ailment counts for urban and rural women in Australia | chronic |
| Bootstrap confidence intervals | ci.boot print.ciboot |
| Confidence interval for the product of two proportions | ci.impt |
| Confidence interval for the median | ci.median |
| One sided confidence interval for mu. | ci.mu.oneside |
| Z and t confidence intervals for mu. | ci.mu.t ci.mu.z print.ci |
| Confidence interval estimation for the binomial parameter pi using five popular methods. | ci.p |
| Confidence intervals for the ratio of binomial and multinomial proportions | ci.prat |
| Confidence intervals for ratios of proportions when the denominator is known | ci.prat.ak |
| Confidence interval for sigma squared. | ci.sigma |
| Confidence intervals for stratified random samples. | ci.strat |
| Environmental data for the community dataset cliff.sp | cliff.env |
| Yellowstone NP cliff community data | cliff.sp |
| Concrete strength dataset for data mining | concrete |
| Calculation and display of concordant and discordant pairs | ConDis.matrix |
| Corn yield data | corn |
| crab gill and body weight data | crab.weight |
| Agresti crabs dataset | crabs |
| Tippett cuckoo egg data | cuckoo |
| Mahalanobis distance for two sites using a pooled covariance matrix | D.sq |
| Florida state death penalty data | death.penalty |
| Maternal deer data | deer |
| Mule deer telemetry data | deer.296 |
| Hamilton depression scores before and after drug treatment | depression |
| Doornik-Hansen test for multivariate normality. | DH.test |
| Dissolved levels in locations above and below a town | dO2 |
| Contingency data for high school marijuana, alcohol, and cigarette use | drugs |
| Esophageal cancer data modified slightly to create a balanced three-way factorial design | e.cancer |
| Efficiency of a randomized block design compared to a CRD | eff.rbd |
| Enzymatic rate data for the phospholipase protein ExoU | enzyme |
| May's effective specialization index | ES.May |
| Repeated measures data for an exercise experiment. | exercise.repeated |
| Facebook performance metrics for data mining and machine learning | facebook |
| Frigatebird drumming frequency data | Fbird |
| Fire data from Yellowstone National Park | fire |
| Fly sex and longevity | fly.sex |
| Australian frog calls following fire | frog |
| Fruit weight data from Littell et al. (2002) | fruit |
| Geometric mean | G.mean |
| Likelihood ratio test for tabular data | g.test |
| Garment Latin square data from Littell et al. (2002) | garments |
| Glucose Levels Following Alcohol Ingestion | Glucose2 |
| Mountain goat data from Yellowstone National Park | goats |
| Agricultural factorial design | grass |
| Harmonic mean | H.mean |
| Heart rate data from Milliken and Johnson (2009) | heart |
| Hodges-Lehman estimator of location | HL.mean |
| Huber M-estimator of location | huber.mu |
| Huber M-estimator iterative least squares algorithm | huber.NR |
| Huber one step M-estimator | huber.one.step |
| Visual illusions illustrating human perception errors. | illusions |
| Ipomopsis fruit yield data | ipomopsis |
| Calculates joint confidence intervals for parameters in linear models using a Bonferroni procedure. | joint.ci.bonf |
| Soil potassium analyses from 8 laboratories | K |
| Calculates kappa statistic and other classification error statistics | Kappa |
| Kaplan-Meier survivorship. | km |
| Kullback test for equal covariance matrices. | Kullback print.kback |
| Creosote bush counts | larrea |
| Mouse life expectancy data | life.exp |
| AIC, AICc, BIC, Mallow's Cp, and PRESS evaluation of linear models | lm.select |
| Magnet pain relief data | magnets |
| Simple functions for MCMC demonstrations | mat.pow MC Rf |
| Monte Carlo hypothesis testing for two samples. | MC.test |
| Gibbs sampling of normal hierarchical models | mcmc.norm.hier norm.hier.summary |
| Maximum likelihood algorithm for determining the binomial dispersal coefficient | ML.k |
| Sample mode | Mode |
| Modified Levene's test | modlevene.test print.mltest |
| Mountain island biogeographic data | montane.island |
| Datasets for resource use and availability | bighorn.sel bighornAZ.sel elk.sel goat.sel juniper.sel moose.sel mule.sel quail.sel |
| Mosquito wing length data | mosquito |
| Mack-Skillings test | MS.test |
| Patient responses to myeloma drug treatments | myeloma |
| Nearest neighbor boundary coordinates | near.bound |
| One sample t-test | one.sample.t |
| One sample z-test | one.sample.z print.oneSamp |
| Paik diagrams | paik |
| Conducts pairwise post hoc and planned comparisons associated with an ANOVA | bonf.cont bonfCI dunnettCI lsdCI pairw.anova print.pairw scheffe.cont scheffeCI tukeyCI |
| Multiple pairwise comparison procedure to accompany a Friedman test. | FR.multi.comp pairw.fried |
| Multiple pairwise comparison procedure to accompany a Kruskal-Wallis test | KW.multi.comp pairw.kw |
| Welch tests controlled for simultaneous inference | pairw.oneway |
| Functions for customizing correlation matrices | panel.cor.res panel.lm |
| Partial correlations of determination in multiple regression | partial.R2 |
| Partial residual plots for interpretation of multiple regression. | partial.resid.plot |
| PCBs and herring egg thickness | PCB |
| Permutation test for two and three way factorial designs | perm.fact.test |
| Nitrogen content of soils under pika haypiles | pika |
| Plant traits for 136 species | plantTraits |
| Plots confidence intervals and/or bars with letters indicating significant differences for objects from class pairw | plot.pairw |
| Creates plots for one way ANCOVAs | plotAncova |
| Plots a simple linear regression along with confidence and prediction intervals. | plotCI.reg |
| PM 2.5 pollutant data from Pocatello Idaho | PM2.5 |
| Polyamine data from Hollander and Wolfe (1999) | polyamine |
| Portneuf River longitudinal N and P data | portneuf |
| Potash/cotton strength data | potash |
| Fisher's Rothamsted potato data | potato |
| Power analysis for a one sample z-test | power.z.test |
| prediction sum of squares | press |
| Preston diversity analysis | Preston.dist |
| Prostate cancer data | prostate |
| Perpendicularity | print.prp.index prp |
| Jacknife pseudo-values | pseudo.v |
| Normal quantile plots for single or multiple factor levels | qq.Plot |
| Biweight midvariance, and biweight midcorrelation. | r.bw |
| Visualize the sampling distribution of Pearson's product moment correlation | r.dist see.r.dist.tck |
| R hat MCMC convergence statistic | R.hat |
| Percentage bend correlation | r.pb |
| CSIRO d13C-CO2 data from Rubino et al., A revised 1000 year atmospheric 13C-CO2 record from Law Dome and South Pole, Antarctica | Rabino_CO2 Rabino_del13C |
| Rat glycogen data from Sokal and Rohlf (2012) | rat |
| Refinery CO dataset | refinery |
| Random draws from a scaled inverse chi-square distribution | rinvchisq |
| A multivariate normal dataset for data mining | rmvm |
| Animated and/or snapshot representations of a statistic's sampling distribution | dirty.dist samp.dist samp.dist.method.tck samp.dist.n samp.dist.snap samp.dist.snap.tck1 samp.dist.snap.tck2 samp.dist.tck |
| Animated representation of sampling distribution basics | samp.dist.mech samp.dist.mech.tck |
| Mammalian BMR and biomass data from Savage et al. (2004) | savage |
| Matched pairs schizophrenia data | sc.twin |
| Jackknife standard error from a set of pseudovalues | se.jack se.jack1 |
| CO2 exchange time series data | sedum.ts |
| Interactive depiction of precision and accuracy | see.accPrec.tck |
| Visualize ANCOVA mechanics | see.ancova.tck |
| Interactive depiction of the ANOVA mechanism | see.anova.tck |
| Depict the effect of range on correlation | see.cor.range.tck |
| Visualize exponential power functions | see.exppower.tck |
| Visualize the Hardy Weinberg equilibrium | see.HW see.HW.tck |
| ANOVA linear models | see.lma.tck |
| Regression linear model derivation from linear algebra | pm1 see.lmr.tck |
| Unbalanced and balanced linear models | pm see.lmu.tck |
| Interactive worksheet for logical and fallacious arguments | see.logic |
| Visualization of the M-estimation function | see.M |
| Depiction of the effect of random level selection on inferences concerning fixed effects | see.mixedII |
| Interactive depiction of the multinomial distribution | see.mnom.tck |
| Interactive visualization of least squares regression. | see.adddel see.move |
| Visualize important non-linear functions | see.nlm |
| Visualize pdfs | see.beta.tck see.betacdf.tck see.bin.tck see.bincdf.tck see.chi.tck see.chicdf.tck see.disc.unif.tck see.disc.unifcdf.tck see.exp.tck see.expcdf.tck see.F.tck see.Fcdf.tck see.gam.tck see.gamcdf.tck see.geo.tck see.geocdf.tck see.hyper.tck see.hypercdf.tck see.lnorm.tck see.lnormcdf.tck see.logis.tck see.logiscdf.tck see.nbin.tck see.nbincdf.tck see.norm.tck see.normcdf.tck see.pdfdriver see.pdfdriver.tck see.pois.tck see.poiscdf.tck see.t.tck see.tcdf.tck see.unif.tck see.unifcdf.tck see.weib.tck see.weibcdf.tck |
| Interactive depiction of type I and type II error and power | see.power see.power.tck |
| Visualize random effects model | r.eff see.rEffect.tck |
| Demonstration of regression mechanics | see.regression.tck |
| Interactive depiction of ROC curves | see.roc.tck |
| Interactive smoother demonstrations | see.smooth.tck |
| Visualize t-tests | see.ttest.tck |
| Interactive depiction of type I and II error | see.typeI_II |
| Interactive self-testing questions | selftest.ANOVAmixed.tck1 selftest.ANOVAsiminf.tck1 selftest.ANVOVA_design.tck selftest.ANVOVA_design_review.tck selftest.bayes4.tck selftest.bayes5.tck selftest.codettest.tck selftest.comb.tck selftest.conf.tck1 selftest.corr.tck1 selftest.H0.tck selftest.jack.tck selftest.ML_OLS.tck selftest.nonparametric6.tck selftest.pdfs.tck selftest.prob.tck selftest.regapproaches.tck1 selftest.regapproaches.tck2 selftest.regapproaches.tck3 selftest.regapproaches.tck4 selftest.regchar.tck1 selftest.regdiag.tck1 selftest.regdiag.tck2 selftest.regdiag.tck3 selftest.regGLM.tck1 selftest.sampd.tck1 selftest.science.tck1 selftest.se.tck1 selftest.stats.tck selftest.stats.tck1 selftest.ttest.tck selftest.typeIISS.tck1 |
| Split plot computer chip data from Littell et al. (2006) | Semiconductor |
| Fern environmental sex determination data | SexDeterm |
| American gizzard shad data | shad |
| Shading functions for interpretation of pdf probabilities. | shade shade.bin shade.chi shade.F shade.norm shade.poi shade.t shade.wei |
| GUI display of probability | shade.bin.tck shade.chi.tck shade.F.tck shade.norm.tck shade.poi.tck shade.t.tck |
| Compilations of genus and species counts from Simberloff (1970) | simberloff |
| Sample skewness and kurtosis | kurt skew |
| Alpine soil temperature and moisture time series | SM.temp.moist |
| Snoring and heart disease contingency data | snore |
| SO2 data for 32 US cities with respect to 6 explanatory variables | so2.us.cities |
| Variance and standard error estimators for the sampling distribution of the sample mean | stan.error stan.error.sq |
| DEM data from the Starkey experimental forest in NE Oregon | starkey |
| del14C in the atmosphere from 1700-1950 | suess |
| Salsify height dataset | trag |
| Transition matrix analysis | anm.TM.tck anm.transM transM |
| Trim data | trim.me |
| Robust test for random factors using trimmed means. | trim.ranef.test |
| Robust one way trimmed means test. | trim.test |
| Tukey's test of additivity. | print.addtest tukey.add.test |
| Veneer data from Littell et al. (2002) | veneer |
| Venn probability diagrams for an event with two outcomes | Venn Venn.tck |
| Scandinavian site by species community matrix | varespec vs |
| Species richness and environmental variables from Mt Washburn | wash.rich |
| Spider web length data | webs |
| Agricultural randomized block design | wheat |
| Whickham contingency table data for smokers and survivorship | whickham |
| Wildebeest carcass categorical data | wildebeest |
| Winsorize data | win |
| White wine quality data for data mining | wine |
| World CO2 levels, by country, from 1980 to 2006 | world.co2 |
| Greenhouse gas emissions from Our World in Data | world.emissions |
| Population levels in various countries from 1980-2006 | world.pop |