Click on the R icon
If no R icon, go to Start and then All Programs to find R
To quit R:
> q()
What does it ask you? What does this mean?
For R HELP, for example to get help about the function runif ,
> help(runif)
For R HELP in html format
If you go to Help on the R toolbar and select R language (html), you will get the html version of help.
Generate a sample of 100 N(0,1) random variables.
> help(rnorm)
> temp <- rnorm(100)
What is in the object temp?
What is the length of the oject temp?
Make a informative plot of temp?
If this were part of a homework problem, you might want to copy and
paste the R code and plot into a Word Document?
Try it!
Note: To copy and paste from the graphics window,
Right click on the mouse and select Copy as metafile, then Paste.
> help(binom.test)
Class example: Binom(25,0.4). If B=15, what do you conclude?
> binom.test(15,25,0.4, alternative="greater")
Calculate P(B >= 15) in R. For the signficance level, P(B >= 14)?
What about CI's for this test? (see help function)
Here is first introduction to R: ISU
At the bottom of the page is how to get the "An Introduction to R"
Try going through the following Intro. Lessons. The # sign is a comment, so you can copy and paste.