Digital Geography

reproducible documents/analytics in R: the knitr package

When I am working in new institutions and I am asking: “Do you have a document management system?” I often get the answer:”Yap, we are using folders” … OKAY. Making analysis, developing applications and keeping an eye on code, data and applications make this even harder as it has to be. Of course not many institutions are using R and Latex but there is a nice little package called knitr which tries to make this a little bit easier. It combines your analysis and documentation in one single document aka PDF.

setting your working directory permanently in R

Most of us R users are using a special working directory for the daily work in R. But I was bothered in typing everytime in my command line prior using R. Also using this line at the first position in scripts was not pleasent enough. So how to get around this? There is a special file in R for adjusting your startup-parameters. It is called “Rprofile.site”. In a linux environment you may type: In a Windows OS you just need to search for the file mentioned above and open it up in an editor of your choice. You will be…