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<- vw scan(file="U:/.www/Stat520_07/m-vw2697.txt") length(vw) acf(vw,lag=20) acf(log(vw+1),lag=20) ar3.t <- ar(vw,method="ols",order.max=3) ar3.t$order [1] 3 ar3.t$ar ,,1 [,1] [1,] 0.10406023 [2,] -0.01027165 [3,] -0.12041467 vw.subset <- vw[1:858] ar4.t <- ar(vw.subset,max.order=3,method="ols") predict(ar4.t,n.ahead=6) $pred Time...
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<- vw scan(file="U:/.www/Stat520_07/m-vw2697.txt") length(vw) acf(vw,la...
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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 <- read.table(file="U:/.www/Stat520_07/ustbill.dat",header=F) ttb <- as.matrix(tt[,2:7]) ttb_m <- t(ttb) ttbill<- as.vector(ttb_m) plot.ts(ttbill) acf(ttbill) plot.ts(log(ttbill) acf(log(ttbill) dlntbill <- 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 < 1 .30 1 x <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 < 1 .30 1 x <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 & 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) > 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) > 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 & 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 &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 & Natural Resources Educator Scott Hutcheson, Leadership & 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 & 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 & ZA Planning & Zoning GlossaryVal Slack, Ag & 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, & 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, & Clarion, Cincinnati, Ohio Scott Hutcheson, Leadership & Community Development Specialist, Purdue University
Purdue - ID - 233
ID-233Zoning What Does It Mean to Your Community?Val Slack, Ag & 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 & 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 & How Does It Work?Val Slack, Ag & 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 & 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?
Purdue - ENGL - 702
Benefiting Most from a Writing TutorialWriting Lab Orientation for ESL WritersWhat is a Tutorial?30-minute One-to-One Session with a Tutor Purpose To help you become a better writer What Happens? You ask questions. We try to answer them.
Purdue - ENGL - 721
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 - ID - 56
Fertilizing, Liming, and Soil SamplingFertilizer RecommendationsThe phosphorus (P2O5) and potassium (K2O) fertilization recommendations in this publication are based on soil test levels. Recommendations based on a soil test may be obtained from you
Purdue - ENGL - 695
Invention (Prewriting)IntroductionThis presentation will help you withInvention and invention strategies.Invention1. Devise a game plan: schedule the 2. Ask writing questions process. to explore your rhetorical situation: What is my purpose
Purdue - EXTENSION - 1
NSIF-FS1Fact Sheet Number 1The Economic Impact of Genetic ImprovementIntroductionIf the pork industry in the United States is to prosper, it is imperative that production efficiency of lean, quality, consumer-oriented pork products improve. The
Purdue - EXTENSION - 5
NSIF-FS5Fact Sheet Number 5Performance Records and Their Use in Genetic ImprovementIntroductionRecording performance data is common place within many swine businesses in the United States. Information such as sow farrowing and weaning data and
Purdue - EXTENSION - 7
NSIF-FS7Fact Sheet Number 7Performance Records on RelativesEstimating the genetic merit of all individuals in a herd is required before a comprehensive selection and genetic improvement program can be successful. Performance records need to be c
Purdue - EXTENSION - 10
NSIF-FS10Fact Sheet Number 10Multiple Trait Selection for Pork ImprovementIntroductionOne of the most important decisions breeders make is choosing which traits to improve in their herds. Breeders must decide among numerous traits of economic i
Purdue - ENGL - 665
Desi gn Note bookProfessional DocumentationDesign Notebook This PowerPoint covers the following: Justifications Dos and Donts Guidelines Project RequirementsJustification Temptation to blow off the design notebook They provide relevant an
Purdue - ENGL - 698
Cover Letter WorkshopA presentation brought to you by the Purdue University Writing LabAgenda Cover Letter Basics Preliminary Research Header First Paragraph Middle Conclusion Language Extra TipsCover Letter Basics A cover letter expres
Purdue - ENGL - 732
Nonassociative Learning Promotes Respiratory Entrainment to Mechanical VentilationShawna M. MacDonald., Gang Song., Chi-Sang Poon* Harvard-Massachusetts Institute of Technology Division of Health Sciences and Technology, Massachusetts Institute of T
Purdue - ENGL - 732
An example of a critical care patient on a mechanical ventilator.Photo courtesy of Cleveland ClinicUnder Pressurecolleagues at HST announced a safer, more costeffective approach to deliver breaths to patients on ventilators. Patients with severe
Purdue - ENGL - 732
Langer speaks at MITBy Brent Ardaugh Nearly 650 students, postdocs, and professors gathered inside MITs Kresge Auditorium on October 1 to attend the 25th annual Whitehead Institute Symposium. The theme of the event was Regeneration in Biology and Me
Purdue - ENGL - 665
Pr oj ect Char terProducing Collaborative DocumentsProject Charter This PowerPoint covers the following: Requirements of Project Charter Writing as a Group Professional Standards Concise WritingProject Charter This projects asks students
Purdue - ENGL - 665
Tr avel Wri ti ngReflecting on Your Study Abroad ExperienceTravel Writing Tips Use specific and concrete imagery to make the experience come alive for the reader Choose representative imagery Pick the most interesting events; avoid laundry list