Tutorials

This page has the following sections: Description of R C/C++ Matlab Python Description of R R was designed to do data analysis.  So it is heavy on graphics, statistical functionality, [...]

(and vice versa) This page has the following sections: Misconceptions  Resources Both R and SQL are about data.  R deals mainly with analysis, SQL deals mainly with storage.  They are [...]

This page has the following sections: Scientific Notation Two Kinds of Numbers Numerical Error Printing Commas Special Values Two Kinds Revisited Resources Scientific Notation A number like 2.3 will be [...]

atomic vector An object that contains only one form of data. The atomic modes are: "logical", "numeric", "complex" and "character". attach The act of adding an item to the search [...]

This page has the following sections: Reading R-help Other mailing lists Writing messages Resources Reading R-help I find it hard to believe that anyone reads all R-help messages. You shouldn't [...]

This page has the following sections: Misconceptions Resources Misconceptions This page is mainly aimed at those who are familiar with one or more of the following: SAS SPSS Stata The [...]

This page has the following sections: Forgot function name Local functionality Wider searches Possible blunders Forgot function name If you have misplaced the exact name of a function that you [...]

This page has the following sections: Using packages Learning packages Package quality Crantastic Major repositories Using packages In terms of you using a package, there are three states of a [...]

This page has the following sections: Vignettes Typical complaints A better order for help files Really better help files Vignettes If the function you are trying to learn comes from [...]

The Idea It is useful to have your R commands in an environment where: You can easily save what you have done Copy blocks of commands and then modify them [...]