how can i learn about r packages which package would be good to study first in r what should package code study what is an example of a good source code why would the suggested package source code be good to study? what should i study first r package code which package to study r what coding style is best for r what is good to learn from package what is good to study before starting a package r. what is good to study first which package is best to study which package is a good source code for r? what is the best source code to study for r which package is good for learning r what are good packages to study how do you write r packages? which package is the best to study first? why is it good to start with a package? which r packages would be good to study first?