Useful Tips on R
- plotmath: add mathematics into R plot;
- stem, function to generate leave plot;
- add labels to barplot
b<- barplot(x,col=)
,text(b,x,lables…)
apropos(“x”)
search with the keyword “x”;- see the source code: input the function name; or
method()
;getAnywhere()
,getS3method()
- Quote; bquote; substitute;
- R Markdown