R · Expert

Lesson 1 · On the house

Closures and factories

Factory functions, lexical capture, private env state.

Lesson 2

S3 generics deep

NextMethod, .default, inheritance, group generics sketch.

Lesson 3

R6 mutable classes

R6Class, public/private, $new, active bindings sketch.

Lesson 4

data.table essentials

setDT, :=, keyed by=, joins sketch.

Lesson 5

Non-standard evaluation

substitute, quote, eval, bquote, reformulate.

Lesson 6

Bytecode and profiling

compiler::cmpfun, Rprof, summaryRprof, system.time.

Lesson 7

Parallel apply

mclapply, parLapply, clusterExport, fork vs PSOCK.

Lesson 8

Rcpp sketch

.Call concept, cppFunction toy, SEXP caution.

Lesson 9

Package NAMESPACE

export/import, :: vs :::, loadNamespace vs library.

Lesson 10

Expert capstone

Factory + data.table NSE + timing into one pipeline.