# Register now to access 7 million high quality study materials (What's Course Hero?) Course Hero is the premier provider of high quality online educational resources. With millions of study documents, online tutors, digital flashcards and free courseware, Course Hero is helping students learn more efficiently and effectively. Whether you're interested in exploring new subjects or mastering key topics for your next exam, Course Hero has the tools you need to achieve your goals.

2 Pages

### HW2solution

Course: STAT 520, Fall 2008
School: Purdue
Rating:

#### Document Preview

Sorry, a summary is not available for this document. Register and Upgrade to Premier to view the entire document.

Register Now

#### Unformatted Document Excerpt

Coursehero >> Indiana >> Purdue >> STAT 520

Course Hero has millions of student submitted documents similar to the one
below including study guides, practice problems, reference materials, practice exams, textbook help and tutor support.

Course Hero has millions of student submitted documents similar to the one below including study guides, practice problems, reference materials, practice exams, textbook help and tutor support.
There is no excerpt for this document.
Find millions of documents on Course Hero - Study Guides, Lecture Notes, Reference Materials, Practice Exams and more. Course Hero has millions of course specific materials providing students with the best way to expand their education.

Below is a small sample set of documents:

Purdue - STAT - 520
Purdue - STAT - 520
0.000431 -0.032049 -0.064579 0.037256 0.014549 0.055532 0.028476 0.027706 0.002458 -0.027810 0.027726 0.029064 0.001707 0.045159 0.006724 0.006786 0.057336 -0.020423 0.075360 0.025511 0.046540 -0.039414 0.069393 0.023042 -0.002745 -0.013542 0.089915
Purdue - STAT - 520
Additional: The best answer there is either AR(3), AR(5) or MA(3). If you try to take into account the higher order lags (say, above 10), that relatively high acf/pacf at those lags is usually the result of estimation errors and it is best to keep th
Purdue - STAT - 520
Purdue - STAT - 520
Purdue - STAT - 520
Purdue - STAT - 511
Instructor Office Phone E-mail Course webpage Office hours GraderProf. Michael Levine MATH 438 (765)496-7571 mlevins@stat.purdue.edu http:/www.stat.purdue.edu/~mlevins/Stat511/Stat511.htm Thursday: 2-3.30pm Friday: 2-3.30pm or by appointment Yang Z
Purdue - STAT - 511
TENTATIVE SCHEDULE Week Topic August 23rd- August 28th Chapter1 rd August 31st- September 3 Sections 2.1, 2.2 September 8th- September 10th Sections 2.3-2.5 th th September 13 - September 17 Sections 3.1-3.3 September 20th- September 24th Sections 3.
Purdue - STAT - 511
An exampleFor two-seaters on the highwayx_24 30 30 25.8 191. Mean as a non-resistant measure of the distribution center. It can be severely compromised by just one outlier; long tails also make it unrepresentative. A good example is the
Purdue - STAT - 520
STAT 520 TIME SERIES AND APPLICATIONS COURSE INFORMATIONCLASS MEETING TIME AND PLACE: TTh, 3.00-4.15pm, REC 307 Office hours: TTh, 2-3pm, HAAS 154 or by appointment http:/www.stat.purdue.edu/~mlevins/STAT520_07/STAT520_07.htm TEXTBOOK Introduction
Purdue - STAT - 520
-0.010381 -0.024476 -0.115591 0.089783 0.036932 0.068493 0.000000 0.000000 0.065104 0.032258 0.031250 0.030303 0.023041 0.081081 0.183333 0.078571 0.149007 -0.048991 0.085890 0.031073 0.019178 -0.008152 0.090411 0.218593 0.041667 0.028000 0.004864 -0
Purdue - STAT - 520
0.000431 -0.032049 -0.064579 0.037256 0.014549 0.055532 0.028476 0.027706 0.002458 -0.027810 0.027726 0.029064 0.001707 0.045159 0.006724 0.006786 0.057336 -0.020423 0.075360 0.025511 0.046540 -0.039414 0.069393 0.023042 -0.002745 -0.013542 0.089915
Purdue - STAT - 520
0.00632 0.00366 0.01202 0.00627 0.01761 0.00918 0.00820 -0.01170 -0.00587 0.00757 -0.00992 0.03989 0.02817 0.03682 0.02809 0.02073 0.02593 0.02202 0.00458 0.00969 -0.00241 0.00896 0.02054 0.01734 0.00939 -0.00465 -0.00810 -0.01398 -0.00399 0.01192 0.
Purdue - STAT - 520
3.7 3.4 3.4 3.1 3.0 3.2 3.1 3.1 3.3 3.5 3.5 3.1 3.2 3.1 2.9 2.9 3.0 3.0 3.2 3.4 3.1 3.0 2.8 2.7 2.9 2.6 2.6 2.7 2.5 2.5 2.6 2.7 2.9 3.1 3.5 4.5 4.9 5.2 5.7 5.9 5.9 5.6 5.8 6.0 6.1 5.7 5.3 5.0 4.9 4.7 4.6 4.7 4.3 4.2 4.0 4.2 4.1 4.340.0 41.0 43.0 42
Purdue - STAT - 520
vw &lt;- scan(file=&quot;U:/.www/Stat520_07/m-vw2697.txt&quot;) length(vw) acf(vw,lag=20) acf(log(vw+1),lag=20) ar3.t &lt;- ar(vw,method=&quot;ols&quot;,order.max=3) ar3.t\$order [1] 3 ar3.t\$ar ,1 [,1] [1,] 0.10406023 [2,] -0.01027165 [3,] -0.12041467 vw.subset &lt;- vw[1:858] ar
Purdue - STAT - 520
Statistics 520: Time Series and Applications Dr. LevinePurdue University Spring 2006Yule-Walker method For an AR(p) process Yt = 1 Yt1 + . . . + p Ytpthe system of Y-W equations is(k) = 1 (k 1) + + p (k p)where k= 1, . . . , p
Purdue - STAT - 520
Simple Forecasts Consider a signal plus noise model Yn = mn + Xn . The trend mn can beeasily estimated by, e.g., exponential smoothing. Then, if the trend is constant, the series is stationary and the best linear predictor of Yn+h is mn Remind
Purdue - STAT - 520
tt &lt;- read.table(file=&quot;U:/.www/Stat520_07/ustbill.dat&quot;,header=F) ttb &lt;- as.matrix(tt[,2:7]) ttb_m &lt;- t(ttb) ttbill&lt;- as.vector(ttb_m) plot.ts(ttbill) acf(ttbill) plot.ts(log(ttbill) acf(log(ttbill) dlntbill &lt;- diff(log(ttbill) plot.ts(dlntbill) acf(d
Purdue - STAT - 1
Problem 2.34 A production facility employs 20 workers on the day shift, 15 workers on the swing shift, and 10 workers on the graveyard shift. A quality control consultant is to select 6 of these workers for in-depth interviews. Suppose the selection
Purdue - STAT - 511
Problem 2.34 A production facility employs 20 workers on the day shift, 15 workers on the swing shift, and 10 workers on the graveyard shift. A quality control consultant is to select 6 of these workers for in-depth interviews. Suppose the selection
Purdue - STAT - 1
1. An insurance company offers its policyholders a number of different premium payment options. For a randomly selected policyholder, let X be the number of months between successive payments. The cdf of X is as follows: 0 x &lt; 1 .30 1 x &lt;3 .40 3 x
Purdue - STAT - 511
1. An insurance company offers its policyholders a number of different premium payment options. For a randomly selected policyholder, let X be the number of months between successive payments. The cdf of X is as follows: 0 x &lt; 1 .30 1 x &lt;3 .40 3 x
Purdue - CES - 02
Master Gardener Classes AnnouncedMarion County Fall 2009 ClassesThe next series of Purdue Extension Master Gardener classes in Marion County begins September 22, 2009.Afternoon Class Master Gardener Class #2009-3: Tuesdays &amp; Thursdays, September
Purdue - CES - 02
PURDUE UNIVERSITY COOPERATIVE EXTENSION SERVICE Marion CountyOctober 27, 2008 Dear Gardener: Thank you for your interest in the Purdue Extension - Marion County Master Gardener training classes. This popular program is for people who would like to l
Purdue - CS - 590
A Simple Randomized Scheme for Constructing Low-Weight k-Connected Spanning Subgraphs with Applications to Distributed AlgorithmsMaleq Khan Gopal Pandurangan V.S. Anil Kumar Abstract The main focus of this paper is the analysis of a simple random
Purdue - CS - 590
A Fast Distributed Approximation Algorithm for Minimum Spanning TreesMaleq Khan and Gopal PanduranganDepartment of Computer Science, Purdue University, West Lafayette, IN 47907, USA {mmkhan, gopal}@cs.purdue.eduAbstract. We present a distributed
Purdue - CS - 590
1Distributed Algorithms for Constructing Approximate Minimum Spanning Trees in Wireless Sensor NetworksMaleq Khan Gopal Pandurangan V.S. Anil KumarAbstract The Minimum Spanning Tree (MST) problem is an important and commonly occurring primitive i
Purdue - STAT - 511
Chapter 1: Overview Probability is a subarea of mathematics. Statistics is targeting for application. Drawing statistical conclusion should be based on probability theory. Probability uses assumptions. Statistics uses data. Statistical answer
Purdue - STAT - 511
Chapter 2Sections 2.1 and 2.2.1Section 1 introduces the following concepts. Outcomes: single point of possibility. Sample Space: the set of all outcomes (possibilities), denoted by S. Empty set: denoted by . Subset: if all outcomes in A are
Purdue - STAT - 511
Section 2.3: Counting Techniques1Product Rule For a task with k steps, if there are n1 options (ways) in the rst step, there are n2 options (ways) in the second step, and until there are nk options (ways) in the k-th step, then, the total opt
Purdue - STAT - 511
Section 2.4: Conditional Probability1Denition For any two events A and B with P (B) &gt; 0, the conditional probability of A given that B has occured isP (A|B) =P (A B) . P (B)2Rules for Conditional Probability Multiplication Rule P (A B
Purdue - STAT - 511
Section 2.5: Independence1 Denition: For any two events A and B with P (B) &gt; 0, we say A and B are independent if P (A|B) = P (A). Proposition: P (A|B) = P (A) P (A B) = P (A)P (B) P (B|A) = P (B). Proposition: if A and B are indepenent, then
Purdue - STAT - 511
Homework 1 1. Let A = {1, 2, 3, 4, a, b, c}, B = {1, 2, 5, 6, b, c, d, e, f }, C = {1, 2, a, d, g, h}. (a) Is 1 A? Is {1} A? Is {1, 2} A? (b) Compute A B and A B. (c) Compute (A B) C and A (B C). Are they equal? (d) Show (A B) C = (A C)
Purdue - PPDL - 07
Ornamental Pest and Disease UpdateDrought StressFuture ImplicationsBy Alan WindhamJust as the Easter freeze was an outdoor classroom on the effects of cold temps on herbaceous and woody ornamentals, the drought of 2007 reminds us of the effects
Purdue - PPDL - 07
Article Title: Cold Damage-Situation Report 4-18-07 The amount of damage done by the cold weather that swept through Indiana a few weeks ago will depend mostly on the stage of plant growth at the time of the cold. Trees such as honey locust were stil
Purdue - PPDL - 07
Let's Get Growing Akers Answers Your Gardening QuestionsBy Doug Akers-Extension Educator-Agriculture &amp; Natural ResourcesPurdue Cooperative Extension Service 1300 E. 100 S. Lebanon, Indiana 46052 Phone: 765-482-0750 April 19, 2007 Freeze Recovery fo
Purdue - PPDL - 07
NEWS RELEASE For Immediate ReleasePurdue Cooperative Extension Service Hancock CountyContact: Roy Ballard, ANR Educator 317/462-1113 X225 rballard@purdue.eduApril 9, 2007 Remember Winter? Its Back! Greenfield- You dont have to be a meteorologist
Purdue - PPDL - 07
Nursery Notes by Mark HalcombRelease April 25, 2007What Do We Know 16 Days after the Freeze? Im writing this April 23. Our plants look worse than last week. I expect they will look worse next week. It will be wait and see for months. It will be t
Purdue - PPDL - 07
Freeze Recovery for Urban LandscapesWhat happens to plants during a late freeze?Young green leaves and flowers can get zapped during late spring cold snap. So what exactly happens? In some plants the cell inside the leaves and stems froze and the
Purdue - PPDL - 07
-Crop Conditions -Spring Temperatures -Evaluating Freeze Damage in Apples -Evaluating Freeze Damage in Grapes and Berry Crops -Pest Management Strategies Following the Freeze -Officials working to determine damage to Indiana Fruit Crop -Reporting Cro
Purdue - PPDL - 07
Frost Injury to Alfalfa Issues and Concerns Mark Sulc The early alfalfa growth from late March has been killed back by the frigid early April temperatures across most of the state. Some fields still show green leaf material in the lower canopy, but
Purdue - BP - 17
IDENTIFICATION &amp;MANAGEMENT OFPumpkin Diseases2Richard Latin and Karen Rane Department of Botany and Plant PathologyDisease Page Sclerotinia Rot 4 Phytophthora Blight 5 Bacterial Fruit Spot 6 Powdery Mildew 7 Downy Mildew 8 Black Rot 9 Micro
Purdue - ID - 221
ID-221The Rural/Urban ConflictRick Chase, Ag &amp; Natural Resources Educator Scott Hutcheson, Leadership &amp; Community Development SpecialistFor Lisa and Oliver Douglas of the old Green Acres TV show, country life or city life was an either/or propos
Purdue - ID - 227
ID-227How Good Is Your Comprehensive Plan?Val Slack, Ag &amp; Natural Resources EducatorIntroductionA community is best characterized by the makeup of its people and their living and working conditions. Communities with attractive commercial locati
Purdue - ID - 228
ID-228The ABCs of P &amp; ZA Planning &amp; Zoning GlossaryVal Slack, Ag &amp; Natural Resources EducatorIntroductionDid you ever drive by a new residential or commercial development and wonder why the decision was made to locate it there? Did you ever wo
Purdue - ID - 229
ID-229Communities on CourseLand UsePrivate Property: Rights, Responsibilities, &amp; LimitationsJesse J. Richardson, Jr.Urban Affairs and Planning, Virginia Tech Property rights are a concern for many landowners and are on legislators agendas even
Purdue - ID - 231
ID-231Communities on CourseLand UseConservation Easements in IndianaGerald A. Harrison,Agricultural Economics, Purdue UniversityIntroductionLandowners may grant conservation easements out of a personal desire or under a public policy to kee
Purdue - ID - 232
ID-232Communities on CourseLand UsePlan Commission Public Hearings: A Plan Commissioners GuideGregory Dale, Principal, McBride, Dale, &amp; Clarion, Cincinnati, Ohio Scott Hutcheson, Leadership &amp; Community Development Specialist, Purdue University
Purdue - ID - 233
ID-233Zoning What Does It Mean to Your Community?Val Slack, Ag &amp; Natural Resources EducatorIntroductionIndiana law does not require cities, towns, and counties to have a comprehensive plan or zoning. However, Indiana Code 36-7-4-600 series auth
Purdue - ID - 234
ID-234The Comprehensive PlanVal Slack, Ag &amp; Natural Resources EducatorIntroductionWould you consider going on a trip around the world without a map or a guide? Would you embark on an adventure overseas without the benefit of a plan? It is not l
Purdue - ID - 235
ID-235What Is the Plan Commission &amp; How Does It Work?Val Slack, Ag &amp; Natural Resources EducatorIntroductionThe plan commission is in a unique position in local government. It is an independent commission made up of private citizens with neither
Purdue - MGMT - 100
Management 100 Introduction to Management Fall 2008 - Module 2REQUIRED TEXT: Krannert School of Management MGMT 100 Information &amp; Resources Student Handbook- can be purchased at the BoilerCopyMaker Purdue Memorial Union COURSE COORDINATOR: Sara Ste
Purdue - ENGL - 699
ResumesA presentation brought to you by the Purdue University Writing LabAgenda Resume Description General Guidelines Preliminary Research Sections Extra Tips Cover Letter WorkshopWhat is a Resume? Personal summary of your professional h
Purdue - ENGL - 706
Writing Scientific AbstractsAbstract: What is the Purpose? Scientific abstracts introduce journal articles inform readers about articles content help readers decide whether or not to read article overview conference programs, abstract collecti
Purdue - ENGL - 734
Purdue - ENGL - 710
Email Etiquette for ProfessorsWhy is Email Etiquette Important? Audiences interact with the printed word as though it has a personality and that personality makes positive and negative impressions upon us. Without immediate feedback, your documen
Purdue - ENGL - 720
Teaching Writing to Science UndergraduatesA Workshop for Instructors of Introductory Science CoursesWhy Focus on Writing in an Introductory Science Course?Undergraduates in introductory courses sometimes lack basic writing skills: Grammatical kn
Purdue - STAT - 350
STAT 350: Statistical Methods Spring 2009 Instructor: Dr. Shannon M. Knapp email: knappsm@purdue.edu office: HAAS 114 office phone: 496-9541 mailbox: located in HAAS 164 office hours: Standard Office Hours: MF 1-2 p.m. and W 2-3 p.m. Additional offic
Purdue - HORT - 08
FA C T S F O RFancy FruitPURDUE EXTENSIONOctober 6, 2008 Volume 8 Issue 9Crop ConditionsIn This IssueCrop Conditions . . . . . . . . . . . . . . 1 Grape Maturity Determination . . . . . . 1 Strawberry Fruit Bud Development . . . 1 Fall He
Purdue - ENGL - 707
Crossing the Finish Line: Writing a Job Acceptance LetterA presentation brought to you by the Purdue University Writing LabLetter ContentYou won the Race! You have the job of your dreams! Now its time to write the Job Acceptance Letter Purpose
Purdue - ENGL - 649
Tutoring ResumesA presentation brought to you by the Purdue University Writing LabFirst Five Minutes Understand the purpose of the resume Find out what parts of the resume have given the student trouble Full-time job, internship, assignment?