a tour of statistical

... from a file or database. We’ll talk more about data frames in Chapter 5. 1.4.6 Classes R is an object-oriented language. Objects are instances of classes. Classes are a bit more abstract than the ... R PROGRAMMING A Tour of Statistical Software Design by Norman Matloff San Francisco www.it-ebooks.info 2 Jill 10 > d$ages [1] 12 10 Typically, though, data frames are created by reading in a data set ... hist(z,breaks=12) would draw a histogram of the data set z with 12 bins. You can also create nicer labels, make use of color, and make many other changes to create a more informative and eye- appealing...

Ngày tải lên: 23/03/2014, 05:24

... Hand- book of Statistical Analysis using S-PLUS and A Handbook of Statistical Analysis using SAS. Each chapter deals with the analysis appropriate for a particular application. A brief account of the statistical ... seeSection1.4.1).Asinotherstatisticalpackages,adatasetisamatrix wherethecolumnsrepresentvariables(withnamesandlabels)and therowsrepresentobservations.Whenadatasetisopen,thevariable namesandvariablelabelsappearintheVariableswindow.Thedataset maybeviewedasaspreadsheetbyopeningtheDataBrowserwith the buttonandeditedbyclicking ... LLC A Handbook of Statistical Analyses using Stata Third Edition © 2004 by CRC Press LLC 4.1Descriptionofdata 4.2Analysisofvariancemodel 4.3AnalysisusingStata 4.4Exercises 5 Analysis of Variance...

Ngày tải lên: 16/03/2014, 11:43

... such a class is not quite the same as an interface. An interface class has no fields and no method implemen- tations; an abstract base class may have these. Also, multiple interface classes may ... by a class, whereas only one noninterface class may be inherited by a managed type. We want to model radioactive decay. Since most atoms are not radioactive, we don’t want to add radioactivity ... this example. The previous sections demonstrated the declaration and use of managed aggregate types, including ref classes, value classes, managed arrays, enum classes, and interface classes....

Ngày tải lên: 05/10/2013, 08:20

... on a totally separate system. The variants of the Microsoft Windows operating system cannot export the display of an individual application to be viewed on a separate machine. If an application ... system, you can send to it the display data of an X-enabled application’s user interface. Let’s assume you’re running an X server on a laptop and the X application (i.e., client) that you want to ... This chapter explains some of the basic settings and utilities for displaying X client applications that a shell script can exploit. The Display X applications consist of a client and a server....

Ngày tải lên: 05/10/2013, 08:51

... class="bi x1 y11 w3 hb" alt="" x-axis y-axis z-axis (x, y, z) z ϕ . . r

Ngày tải lên: 17/03/2014, 14:28

... enlarge the view of artwork at any magnifi cation level from 3.13% to 6400%. Adobe Illustrator displays the percentage of the artwork’s actual size in the title bar, next to the fi lename, and at ... Command+0 (Mac OS) our artwork is recentered in the viewing area. 2 To display artwork at actual size, choose View > Actual Size. The artwork is displayed at 100%. (The actual size of your artwork ... graph Bar graph Pie graph Radar graph Scatter graph Area graph Line graph Stacked bar graph Auto trace Knife 1 To select a tool, either click the tool in the toolbox or press the tool’s keyboard...

Ngày tải lên: 23/03/2014, 14:20

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Ngày tải lên: 23/03/2014, 19:20

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Ngày tải lên: 18/04/2014, 10:56

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Ngày tải lên: 23/04/2014, 16:25

Ngày tải lên: 22/06/2014, 19:20

... phẩm flashcard blueup TOEFL iBT bao gồm 1500 từ vựng, chia thành 15 bộ khác nhau thuộc bộ từ “TOEFL iBT Exam Vocabulary List” c a Michael Buckhoff. B a TOEFL iBT 1 bạn đồng hành thú vị c a bạn ... Bộ sản phẩm flashcard blueup IELTS bao gồm 1100 từ vựng, chia thành 11 bộ khác nhau thuộc bộ từ “Cambridge Vocabulary for IELTS” c a Pauline Cullen. B a IELTS 1 www.blueup.vn B a TOEIC2 Giới ... liên lạc 43 Vĩnh Nam, Phường 11, Quận 8, Tp HCM (+84) 66 60 68 65 talk@blueup.vn Flashcard blueup – A bit of English on your journey! Flashcard là phương pháp học từ vựng tiếng Anh rất hiệu quả....

Ngày tải lên: 02/10/2012, 12:02

Ngày tải lên: 04/10/2012, 10:24

... spelling. See BACHELOR . bath or bathe? Use these exemplar sentences as a guide: IhaveaBATH every morning (= I have a wash in the bath). I BATH thebabyeveryday(=washina bath). I have had a new BATH fitted. We ... aq-) acquiescence (not -ance) acquire acquired, acquiring, acquisition (not aq-) acreage Note that there are three syllables here. (not acrage) across (not accross) adapter or adaptor? Traditional usage would ... seen. canoe canoed, canoeing, canoeist See ADDING ENDINGS (ii) . canon See CANNON OR CANON? . can’t Contraction of CANNOT. canvas or canvass? CANVAS is a rough cloth. To CANVASS is to ask for...

Ngày tải lên: 05/10/2012, 09:46

Ngày tải lên: 05/10/2012, 09:53

... Management: Information access and management is an area of great activity, given the rise in popularity of the Internet and the explosion of data available to users. It is the application area that this ... 1993. language matchmaker may be implemented via a simple dispatching agent that farms out requests to the appropriate matchmaker. This approach allows many matchmakers, each created by researchers ... Telnet. Intelligent Software Agents in Practise collaborative teams of people, and manage their work products. One of the most popular and most heard -of examples of such an application is the groupware packet...

Ngày tải lên: 08/10/2012, 15:22