September 04, 2013

Flow Control, Iteration, Vectorizing (Introduction to Statistical Computing)

Lecture 3: Conditioning the calculation on the data: if; what is truth?; Boolean operators again; switch. Iteration to repeat similar calculations: for and iterating over a vector; while and conditional iteration (reducing for to while); repeat and unconditional iteration, with break to exit loops (reducing while to repeat). Avoiding iteration with "vectorized" operations and functions: the advantages of the whole-object view; some examples and techniques: mathematical operators and functions, ifelse; generating arrays with repetitive structure.

Introduction to Statistical Computing

Posted at September 04, 2013 01:41 | permanent link

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