更多关于apply函数族的内容-避免循环以获得更快的速度。

Practical R for biologists: an introduction Pub Date : 1900-01-01 DOI:10.1079/9781789245349.0322

D. Quicke, B. A. Butcher, R. K. Welton

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摘要

本章重点介绍“apply”函数集。这些函数适用于那些需要处理非常大的数据集，或者需要在大型数据集上执行循环类型操作(但可能以嵌套方式)的人。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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More on apply family of functions - avoid loops to get more speed.

Abstract This chapter focuses on the 'apply' set of functions. These functions are for those who need to process very large datasets, or who need to perform loop-type operations on largish datasets but perhaps in a nested fashion.

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Practical R for biologists: an introduction

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