1. R Brown-Bag Seminar 2: Hands-on Antony Karanja Ndungu (andungu@cgiar.org) Research Methods Group-ICRAF

2. STUDIO R downloaded and installed? http://www.r-project.org/ http://www.r-project.org/ R Studio http://www.rstudio.com / http://www.rstudio.com /

3. Getting started to Working with R Get Started to R – R downloaded and installed? ( http://www.r-project.org/ ) http://www.r-project.org/ – R Studio ( http://www.rstudio.com/ ) http://www.rstudio.com/ R language – Object oriented programming. - No desk menu! (Rmcdr) Assign objects to manipulations. Nature of Data Objects Data frames, vectors, matrices, lists (maps, data, etc)

4. Getting started to Working with R Operations on data objects Base and libraries- functions/commands Scripting in R (Setwd, getwd()) Working with R - Loading data (Data objects); libraries (foreign - Working with really data. Loading/ recalling data - Data validation and cleaning - Data management (sub setting, collapse, merging, appending, Reshaping etc.

7. Hands-on R!

8. Statistics using R Tabulations and Summaries Plotting simple graphs (Box plots, histograms, plots of tabular data)