1. R Mohammed Wahaj

2. What is R R is a programming language which is geared towards using a statistical approach and graphics Statisticians and data miners use R for statistical software and data analysis R is an implementation of the S programming language in combination with lexical scoping R programming language was created by Ross Ihaka and Robert Gentleman R was created by the two creators at the University of Auckland in New Zealand

3. What is R The letter R was chosen to represent the programming language because of the first letters of the names of the creators R is available for free under the GNU general public license. R uses command line interface There are also versions that have the capability of providing graphical front-ends. The command line interpreter is used to interpret the R language

4. What is R R Can perform: Linear modeling Nonlinear modeling Classical statistical tests Time-series analysis Classification Clustering R can be modified to include functions and extentions

5. What is R Many of the functions are written in R which makes it easier for users to use R’s algorithmic choice mode C, C++ and Fortran code can be linked and used in advanced functions Advanced users can implement C, C++, Java,.NET, or Python to make changes to R Since R has been inspired by S it has a lot of object-oriented programming R is able to manufacture static graphics which makes it easier to generate graphs for publications

6. What is R R is also able to generate mathematical symbols since it able to create static graphics Dynamic or interactive graphics can be implemented by purchasing additional packages. R is used using an interpreter command line For example if a user types in 2+2 then the command line prompt will return back 4 as the answer

7. What is R With the usage of R, the users are able to download and use methods shared amongst other statisticians. The information shared by other users in R is free to use. Representing complex data into easy to use and understand the data is what R helps users do. By usage of data visualization the users are able to create charts and graphs which are not boring. With R the users are also able to implement 3-D surfaces making the data more lively.

8. What is R The graphs and data that have been used in top companies include; New York Times The Economist FlowingData Blog Users are able to pick up on using R faster than the results given by legacy statistical software R also lets users mix and match graphs and charts according to their liking R scripts are easily automated and prompt research and production deployments

9. What is R Since R is an open source, the users are able to share ideas and work with millions of users worldwide By sharing ideas and work and keeping this an open source, the programming language R is able to get recognized and widely used Once the statisticians put their mind together to come up with an idea it gets packaged and is able to be used by users

10. What is R R is a fully planned and a functioning system. It has flexible tools for users with little knowledge or tools for experts in the field There are about 8 packages which are supported by R Distribution community Other packages can be found on CRAN which has many different packages Modern statistical packages can also be found on CRAN

11. What is R Many of the updates and information can be found on r-project The updates are always announced to keep the users informed of the changes The current presidents of R are Duncan Murdoch, and Martyn Plummer R also has manuals on their website for users to learn on their own

15. References http://en.wikipedia.org/wiki/R_%28programming_language%29 http://www.revolutionanalytics.com/what-r http://www.r-project.org/