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Installing R-Studio on Windows 7 / Mac OS 10.6 (+)

Goto http://www.rstudio.com/ Follow the link and then choose the desktop application Download the R base package (see also next page) & R-Studio Follow the instructions of the Installer. First download & install t he R base package. Then download & install RStudio.

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Installing R-Studio on Windows 7 / Mac OS 10.6 (+)

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  1. Gotohttp://www.rstudio.com/ • Follow the link and then choose the desktop application • Download the R base package (see also next page) & R-Studio • Follow the instructions of the Installer First download & install the R base package Then download & install RStudio ATM 315 Environmental Statistics Course Follow the link Installing R-Studio on Windows 7 / Mac OS 10.6 (+) 2014-01-23

  2. www.cran.us.r-project.org ATM 315 Environmental Statistics Course Installing R from the CRAN project pages 2014-01-23

  3. Memory window: list of objects Currently in the memory for use Multi-function Window (for file browsing, plotting, Software package management … ATM 315 Environmental Statistics Course Command-line window A first session with R-Studio (Windows 7) 2014-01-23

  4. Command-line window Your files in the directory I suggest for this course: Create your atm315course directory with 3 sub-directories: scripts data (3) figures R-scripts (programs) are plain text files with ending .R ( NOT formatted Word documents) ATM 315 Environmental Statistics Course Menu list for the R-Studio: Set your work path for the Session (and current sessions) A first session with R-Studio (Windows 7) 2014-01-23

  5. We first set the working directory for the session (in menu ‘session’, choose ‘set working directory’) Or type into the command line window ( in windows it will start with C:/Users), MAC it will start with /Users/) setwd("C:/Users/oe524132/WORK/111TEACHING/R-course") Our first R-session Your working directory should have three subdirectories: Subdirectory ‘data’ Collection of datasets (input data and output data) Subdirectory ‘figures’ We will collect our plots in this directory Subdirectory ‘scripts’ Contains the scripts. Scripts are text files ending ‘.R’ They contain program codes that can be executed

  6. With Windows File Browser tool / Mac Finder go into any directory of your choice Create a new folder (named e.g. “R-Course”). Then enter the folder and Create 3 new folders in there: “scripts” , “data”, “figures” NEXT start R-Studio and set the working directory for the session (in menu ‘session’, choose ‘set working directory’) Or type into the command line window (in windows it will start with C:/Users), MAC it will start with /Users/) In my case the directory path in set setwd("C:/Users/oe524132/WORK/111TEACHING/R-course") (your path name will differ of course on your system) source(“scripts/hadcrut4.R”) NOTE: R commands and scripts are case sensitve(i.e. the function call “Source(“scripts/hadcrut4.R)” doesn’t work! Our first R-session

  7. We first set the working directory for the session (in menu ‘session’, choose ‘set working directory’) Or type into the command line window ( in windows it will start with C:/Users), MAC it will start with /Users/) setwd("C:/Users/oe524132/WORK/111TEACHING/R-course") source(“scripts/hadcrut4.R”) NOTE: R commands and scripts are case sensitve(i.e. the function call “Source(“scripts/hadcrut4.R)” doesn’t work! Our first R-session

  8. example001.R Our first R-session: data types and objects

  9. example001.R Our first R-session: data types and objects example001.R

  10. example001.R Our first R-session: data types and objects

  11. example001.R Our first R-session: data types and objects

  12. HADCRUT4 global annual mean temperature anomalies Global warming trend Our first R-session Global warming stalled? A good habit: give reference /credit to the data source and date of retrieval. Acknowledge the developers of the data sources: Morice, C. P., J. J. Kennedy, N. A. Rayner, and P. D. Jones (2012), J. Geophys. Res., 117, D08101, doi:10.1029/2011JD017187. Data retrieved from http://www.metoffice.gov.uk/hadobs/hadcrut4/data/current/download.html 2014-01-20, [Version HadCRUT.4.2.0.0 (file HadCRUT.4.2.0.0.annual_ns_avg.txt)]

  13. Our first R-session script: hadcrut4.R

  14. example001.R Our first R-session: Global mean temp. hadcrut4.R

  15. Notes

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