Statistics 3011
Rweb Notes

Luke Tierney

Date: Spring, 2000

Rweb is a Web interface to the R statistical computing system. These notes give some examples how you can use Rweb to help you with some of the homework calculations.

Rweb Examples

These links present examples of using Rweb for calculations like the ones you are asked to do on homework problems.

• Stemplots, Histograms, and Boxplots
• Summary Statistics
• Normal Distributions
• Scatterplots
• Correlation and Least-Squares Regression
• Scatterplots and Correlation
• Selecting a Simple Random Sample
• Examining Sampling Distributions
• Some Probability Distributions
• The t Distribution
• Confidence Intervals and Tests for Normal Population Means
  • Single Samples
  • Matched Pairs
  • Two Independent Samples

Each example page contains a work area like the one below. You can enter R commands like the ones shown here in this work area. Clicking the Submit button takes you to a new page containing the results. You can use your browser's Back button to return to this page and edit your commands; to start over you can use the Clear button to clear the text area. A work area like this one should be available on each of the example pages.

Work Area

psych <- c(91, 64, 98, 66, 83, 87, 83, 86, 80, 93, 83, 75, 72, 79, 90, 80, 90, 71, 84, 68) hist(psych) mean(psych) median(psych)

About this document ...

Statistics 3011
Rweb Notes

This document was generated using the LaTeX2HTML translator Version 98.1p1 release (March 2nd, 1998)

Copyright © 1993, 1994, 1995, 1996, 1997, Nikos Drakos, Computer Based Learning Unit, University of Leeds.

The command line arguments were:
latex2html -no_math -html_version 3.2,math -split 5 rwebnotes.tex.

The translation was initiated by Luke Tierney on 2000-04-14