三. 导入数据 图02-03:Source of data that can be imported into a dataset 11. 从键盘导入数据 (1)可能是最简单的数据导入方式. (2)使用edit()函数,R将会打开一个文本编辑器,然后再手动的输入数据.具体步骤如下: · 创建一个新的数据帧(data.frame),并填入变量名和类型(variable names&modes): · 调用文本编辑器,键入数据,并保存结果到数据对象上(data object). 例02-21:从键盘…
JavaScript is all about objects. Objects are the foundation of everything, so if you’re unfamiliar with objects, you’re going to learn quickly. The goal of this book is not to be a JavaScript or DOM code reference, but in order to make sure you under…
一.水仙花数 1.方式一:这是我的思路,取各个位数的方式.我个人习惯于使用取模运算. public static List<Integer> dealNarcissiticNumberMethodOne( Integer startNum, Integer endNum) { List<Integer> resultList = new LinkedList<Integer>(); for (Integer i = startNum; i <= endNum; i…
https://msdn.microsoft.com/en-us/library/ff647787.aspx Retired Content This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This page may contain URLs that we…
文章出处: http://www.informit.com/articles/article.aspx?p=24094 In the preceding two chapters, I discussed dbExpress—a unidirectional database technology. In the real world, most applications support bidirectional scrolling through a dataset. As noted p…
What’s New, What’s Changed and How to get Started. Are you ready for Apache Spark 2.0? If you are just getting started with Apache Spark, the 2.0 release is the one to start with as the APIs have just gone through a major overhaul to improve ease-of-…
This chapter concerns creating and destorying objects : when and how to create them, when and how to avoid creating them, how to ensure they are destoryed in a timely manner, how to manage any cleanup actions that must precede their destruction.…
ImageNet Classification with Deep Convolutional Neural Networks 深度卷积神经网络的ImageNet分类 Alex Krizhevsky University of Toronto 多伦多大学 kriz@cs.utoronto.ca Ilya Sutskever University of Toronto 多伦多大学 ilya@cs.utoronto.ca Geoffrey E. Hinton University of Toront…
随着学习的深入,笔记会补充和修订.当然,这个补充修订也许会鸽,但我一定会坚持写完. 这个笔记假定你至少学过C/C++及Python,或与这两种语言类型相同的语言. 类型系统概述 “Haskell’s type system allows us to think at a very abstract level: it permits us to write concise, powerful programs.” 简单地说,Haskell拥有一个强.静态.自动推断的类型系统.Haskell的强同…
bsdasm 来源 http://www.int80h.org/bsdasm/ Preface by G. Adam StanislavWhiz Kid Technomagic Assembly language programing under Unix is highly undocumented. It is generally assumed that no one would ever want to use it because various Unix systems run on…
引用了下文的资料,在此感谢! http://www.cnblogs.com/alexcai/p/5468164.html http://blog.csdn.net/garfielder007/article/details/51480844 第一.cifar数据集的知识 The CIFAR-10 dataset The CIFAR-10 dataset consists of 60000 32x32 colour images in 10 classes, with 6000 images pe…
