You are here: main » notes » r_cheat_sheet

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision 		Previous revision
notes:r_cheat_sheet [2014/10/05 17:39]
smthng [Plotting] 		notes:r_cheat_sheet [2015/01/10 15:25] (current)
smthng [File Handling]
Line 26: Line 26:
   * ''myseq + 1'' adds one to all elements of the myseq vector.   * ''myseq + 1'' adds one to all elements of the myseq vector.
   * Scalar operations or functions on vectors typically produce other vectors e.g. + - == sin(myseq)   * Scalar operations or functions on vectors typically produce other vectors e.g. + - == sin(myseq)
 +  * ''head(myvec)'' , ''tail(myvec)'' to show start or end of vector
  
 ===== Plotting ===== ===== Plotting =====
Line 67: Line 68:
   * ''read.csv('mydat.csv')'' to load a csv file   * ''read.csv('mydat.csv')'' to load a csv file
   * ''read.table'' to read text data with other separators   * ''read.table'' to read text data with other separators
 +  * ''con<-url("http://google.com","r")'' to read a webpage
 +  * ''x<-readLines(con)'' to convert to a vector of lines
 
 
Recent changes RSS feed Creative Commons License Donate Minima Template by Wikidesign Driven by DokuWiki