Package index • s20x

Exploring data

pairs20x(): Pairwise Scatter Plots with Histograms and Correlations
trendscatter(): Trend and scatter plot
interactionPlots(): Interactions Plot for Two-way Analysis of Variance
summaryStats(): Summary Statistics

Checking models

modelcheck(): Model checking plots
normcheck(): Testing for normality plot
eovcheck(): Testing for equality of variance plot
cooks20x(): Cook's distance plot
print(<s20xModelcheck_ggplot2>): Print ggplot2 modelcheck plots
print(<s20xNormcheck_ggplot2>): Print ggplot2 normcheck plots

Summarising analyses

summary1way(): One-way Analysis of Variance Summary
summary2way(): Two-way Analysis of Variance Summary
multipleComp(): Multiple Comparisons
displayPairs(): Display within-level pairwise comparisons for saturated two-way ANOVA model.
rowdistr(): Row distributions from a cross-tabulation of two variables

Predicting

predict20x(): Teaching Predictions with Confidence and Prediction Intervals

Time series

tslm(): Fit a linear model with optional autoregressive errors
anova(<tslm>): ANOVA tables for time series linear models

Case studies

listCaseStudies() listCS() lcs(): List available case studies
casestudy() cs(): Render a case study to HTML
openCaseStudy() opencs() ocs(): Open a case study source file in the editor

Datasets

airpass.df: International Airline Passengers
apples.df: Apples Data
arousal.df: Changes in Pupil Size with Emotional Arousal
beer.df: US Beer Production
body.df: Body Image and Ethnicity Data
books.df: Books Data
bursary.df: Bursary Results for Auckland Secondary Schools
butterfat.df: Butterfat Data
camplake.df: Age and Length of Camp Lake Bluegills
chalk.df: Chalk Data
computer.df: Computer Questionnaire
course.df: Stats 20x Summer School Data
course2way.df: Exam Mark, Gender and Attendance for Stats 20x Summer School Students
diamonds.df: Prices and Weights of Diamonds
fire.df: Fire Damage and Distance from the Fire Station
fruitfly.df: Fruitfly Data
house.df: Sale and Advertised Prices of Houses
incomes.df: Mean Family Incomes
lakemary.df: Ages and Lengths of Lake Mary Bluegills
larain.df: Los Angeles Rainfall
mazda.df: Year and Price of Mazda Cars
mening.df: Monthly Notifications of Meningococcal Disease
mergers.df: Merger Days
mozart.df: Length of Mozart's Movements
nail.df: Nail Polish Data
nzalc.df: Quarterly Alcohol Available for Consumption in New Zealand
nzarrivals.df: Monthly Arrivals to New Zealand
oysters.df: Oyster Abundances over Different Sites
peru.df: Peruvian Indians
rain.df: Cloud Seeding and Levels of Rainfall
seeds.df: Seeds Data
sheep.df: Sheep Data
skulls.df: Skulls Data
snapper.df: Snapper Weight Data
soyabean.df: Soya Bean Yields
teach.df: Comparison of Three Teaching Methods
technitron.df: Technitron Salary Information
thyroid.df: Effect of a New Drug on Thyroid Weights
toothpaste.df: Crest Toothpaste
zoo.df: Zoo Attendance during an Advertising Campaign

Other functions

rr(): Read Data
getVersion(): s20x package version number

Deprecated

These still work, but will be removed in a later release.

autocorPlot(): Autocorrelation Plot
ciReg(): Confidence Intervals for Regression models
crossFactors(): Crossed Factors
crosstabs(): Crosstabulation of two variables
estimateContrasts(): Contrast Estimates
freq1way(): Analysis of 1-dimensional frequency tables
layout20x(): Layout
levene.test(): Levene test for the ANOVA Assumption
onewayPlot(): One-way Analysis of Variance Plot
predictCount(): Predicted Counts for a Log-Link Generalised Linear Model
predictGLM(): Prediction Intervals for Log-Link and Logit-Link Generalised Linear Models
residPlot(): Fitted values versus residuals plot
skewness(): Skewness Statistic