R-on-a-MAC - Desktop or you can store it under My Documents...

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Working and printing in R on MAC with OXS Getting R started: Left Double click on the R icon on the desktop To exit R, type: q() Printing the R console session: To print the R console session, minimize any other windows and use File ---> Print (upper left end of the bar at the top of the screen). Printing a pop-up graph: With the graph on the screen, use File ---> Print (upper left end of the bar at the top of the screen). Getting Exercise data sets into active R workspace: In general, we do the following: > [you-name-data] <- read.table(file="[internet-address-of-data]", header=TRUE) Example: > data1 <- read.table(file=" http://www.stat.ufl.edu/~rrandles/sta4210/Rclassnotes/data/classd ata.txt ", header=TRUE) > attach(data1) Storing a data set on your computer for use in R: Open Word Type in your data with one row per observation vector and spaces in between the values. The first row should include the labels of the respective columns. Save this file onto the
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Unformatted text preview: Desktop or you can store it under My Documents, for example. BE SURE THAT WHEN IT IS STORED, IT IS STORED AS A TEXT FILE. [stored-data-name].txt Select “Save as” and select .txt as the file format. Now back on the R console, get the data into the active workspace with: > [new-data-file-name] < - read.table(“/Users/[your-user-name]/Desktop/ [stored-data-name].txt”, header=TRUE) > attach([new-data-file-name]) [ ] is a user supplied name – DO NOT include the brackets [ ] Number of column names must match the number of columns. You can find the proper “path” to where the data are stored by going to the file and selecting “Get Info”. The “path” is listed by “Where” in the info window. This is the path which is needed in read.table(“[path goes here]”, header=TRUE)....
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