作者: 顧客 時(shí)間: 2025-3-21 23:03 作者: Kidnap 時(shí)間: 2025-3-22 01:57 作者: 剝皮 時(shí)間: 2025-3-22 05:04 作者: 類型 時(shí)間: 2025-3-22 11:32 作者: heart-murmur 時(shí)間: 2025-3-22 16:48 作者: 宿醉 時(shí)間: 2025-3-22 17:18
Packaged Functionsobjects, and they are of both . and . function. Packaged functions are functions that have been created as a part of an R package. On the computer, packages are stored in libraries and are installed to be in a library.作者: fodlder 時(shí)間: 2025-3-22 23:10 作者: enormous 時(shí)間: 2025-3-23 04:26
Importing and Creating Dataata. R also comes with a number of data sets that can be loaded. Sometimes the user wants to create data. R has a multitude of random number generators for data creation. Data can be entered manually using . or by using various other functions to create data with certain patterns.作者: Melanoma 時(shí)間: 2025-3-23 07:19
Descriptive Functions and Manipulating Objectsa number of functions that manipulate objects to create new objects. The functions covered in this chapter are the descriptive functions ., ., ., ., ., ., and .; and the functions that manipulate objects: .; the apply functions; ., ., and .; the table functions; and??functions ., and ..作者: 多余 時(shí)間: 2025-3-23 09:52
Flow Controlprogramming in the age of FORTRAN and BASIC, using loops is very comfortable. In R, the better choice, if possible, is to use arrays and index selection instead of looping. Using indices is much faster than looping.作者: Physiatrist 時(shí)間: 2025-3-23 15:02 作者: arsenal 時(shí)間: 2025-3-23 18:12 作者: 指派 時(shí)間: 2025-3-23 22:20
User-Created FunctionsUser-created functions often make the life of an R user easier. If a repetitive task involves several different lines of code, creating a function to do the task saves time.作者: Hirsutism 時(shí)間: 2025-3-24 03:09 作者: organism 時(shí)間: 2025-3-24 09:48 作者: drusen 時(shí)間: 2025-3-24 11:18 作者: 評(píng)論性 時(shí)間: 2025-3-24 18:27
e left as student exercises) in the hope that they will prove of value to other teachers and students. Solutions are separated from the problems so that they will not be seen by accident. The answer is given at the end of each problem, however, for convenience. Parts of the book are based on the author‘s prev978-0-412-21260-4978-94-009-5847-0作者: Redundant 時(shí)間: 2025-3-24 20:25
student exercises) in the hope that they will prove of value to other teachers and students. Solutions are separated from the problems so that they will not be seen by accident. The answer is given at the end of each problem, however, for convenience. Parts of the book are based on the author‘s prev作者: 問到了燒瓶 時(shí)間: 2025-3-24 23:47 作者: CHASE 時(shí)間: 2025-3-25 05:55 作者: 偏見 時(shí)間: 2025-3-25 08:11 作者: Genetics 時(shí)間: 2025-3-25 11:40
Margot Tollefson transact power with the electricity market and the neighboring MGs. The numerical study demonstrates that cooperation of the MGs in the distributed energy scheduling problem is beneficial, and also the multi-time scale MPC is advantageous compared to the single-time scale MPC in both non-cooperativ作者: HARP 時(shí)間: 2025-3-25 17:22
ented MICQP models are convex optimization problems. Therefore globality and convergence are guaranteed. Computational results to verify the efficiency of the proposed methodology are obtained for a 24-node test system. Finally, conclusions are duly drawn.作者: trigger 時(shí)間: 2025-3-25 22:02 作者: 充滿人 時(shí)間: 2025-3-26 01:25
Margot TollefsonDG types for minimizing the total real power loss in electric distribution networks. The proposed analytical expressions are general for directly calculating the optimal sizes of any combination of multi-type DG technologies. The optimal power factors of the various units can be analytically compute作者: 偽造 時(shí)間: 2025-3-26 06:27 作者: 放肆的我 時(shí)間: 2025-3-26 12:12 作者: Heart-Attack 時(shí)間: 2025-3-26 12:58
Margot Tollefsonriments. Appendix A shows how?different types of graphs can be drawn with?MATLAB. Appendix B reviews the concept of root mean square.?.978-3-031-24554-1978-3-031-24552-7Series ISSN 1559-811X Series E-ISSN 1559-8128 作者: 錢財(cái) 時(shí)間: 2025-3-26 20:13
Margot Tollefsonriments. Appendix A shows how?different types of graphs can be drawn with?MATLAB. Appendix B reviews the concept of root mean square.?.978-3-031-24554-1978-3-031-24552-7Series ISSN 1559-811X Series E-ISSN 1559-8128 作者: Derogate 時(shí)間: 2025-3-26 23:41
Margot Tollefsonled review of complex numbers as many students are weak in this area.? Likewise, before discussing filters and Bode Diagrams, the Fourier Transform and later the Laplace Transform are explained..978-3-030-31357-9978-3-030-31355-5作者: 創(chuàng)造性 時(shí)間: 2025-3-27 02:08 作者: 刺耳 時(shí)間: 2025-3-27 07:22 作者: PIZZA 時(shí)間: 2025-3-27 09:49
tand them or to obtain numerical results and a sound knowledge of basic circuit theory is therefore essential. The author is very much in favour of tutorials and the solving of problems as a method of education. Experience shows that many engineering students encounter difficulties when they first a作者: 浪費(fèi)時(shí)間 時(shí)間: 2025-3-27 14:32 作者: CALL 時(shí)間: 2025-3-27 17:49 作者: 碎石 時(shí)間: 2025-3-28 01:11 作者: macular-edema 時(shí)間: 2025-3-28 05:19
Margot Tollefsontandard textbook on electric circuits.This book provides insights into practical aspects of electric circuits. The author provides real-world examples throughout this book. The devices chosen for this book can be found in nearly all laboratories. No expensive measurement devices are used throughout 作者: Cardiac-Output 時(shí)間: 2025-3-28 09:30 作者: 泥沼 時(shí)間: 2025-3-28 13:28 作者: 友好 時(shí)間: 2025-3-28 15:35 作者: induct 時(shí)間: 2025-3-28 22:32
Margot TollefsonA large number of new in- vestigations are considered, and many of the basic theories are revised in detail and even in general. The body of information had to be limited as it was not advisable to increase the volume of the book. In particular, no attempt was made to cover all of the practical appl作者: 向外才掩飾 時(shí)間: 2025-3-29 02:35 作者: 有節(jié)制 時(shí)間: 2025-3-29 07:00 作者: Boycott 時(shí)間: 2025-3-29 08:30
Margot Tollefsonefines strategic positions for installing Normally Closed (NC) and Normally Opened (NO) reclosers to improve the system’s performance in terms of quality of power supply. The restriction relies on the budget available for investing in purchasing and installing AR. The methodology supports power dist作者: CHYME 時(shí)間: 2025-3-29 12:14 作者: 灰姑娘 時(shí)間: 2025-3-29 16:40
Margot Tollefsonent and welfare. The standard DIN 40 041 defines reliability as an entity’s quality in terms of being able to meet the demand for reliability during or after specified time intervals and under specified conditions of use. The electricity supply is considered to be reliable when it continuously meets作者: 冰河期 時(shí)間: 2025-3-29 22:47
reference book detailing the intricacies of the R language. Not only is R a free, open-source tool, R is powerful, flexible, and has state of the art statistical techniques available. With the many details which must be correct when using any language, however, the R Quick Syntax Reference makes us作者: 背心 時(shí)間: 2025-3-30 01:24 作者: 名詞 時(shí)間: 2025-3-30 08:00
Downloading R and Setting Up a File Systemhapter, you will learn how to download and install R and the 30 basic packages as well as how to install other packages and update R. You will also learn how to use R in individual folders within the file system of the computer.作者: Atheroma 時(shí)間: 2025-3-30 08:24 作者: 萬花筒 時(shí)間: 2025-3-30 12:21
Modes of Objectsamming. S3 is the preceding version. Both versions run concurrently. S4 offers powerful new methods, but to use those methods a solid knowledge of S3 is necessary. This book focuses mainly on S3 methods, including S4 syntax where appropriate.作者: Vsd168 時(shí)間: 2025-3-30 20:16
Classes of Objectsclasses. In S3, there are specific classes into which an R objects falls. In S4, the user defines a class for an S4 object. Classes in S3 are called informal classes, whereas classes in S4 are called formal classes. This chapter covers only S3 classes.
