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1059 Uppsatser om Stepwise multiple regression - Sida 7 av 71
Mångbruksplan Äspinge 2:2
This plan of multiple-use is made on the private owned forestproperty Äspinge 2:2 in the middle of Skåne.
The term ?multiple-use? came to Sweden in the beginning of the twentieth century and has slowly grown until about 30 years ago when the laws of nature conservation and sustainability was written into the forest law. The so called ecoturism got more and more popular and people began to seek space and silence in difference to the life in the highly populated areas. This also encouraged foreign tourists to come to Sweden. Mostly danish, german, and dutch people.
Strategic forest planning using AHP and TOPSIS in participatory environments : a case study conducted in Vilhelmina, Sweden
When a decision is to be made on what long term strategic forest management plan to use, consideration must often be taken to multiple objectives. Such decisions are very complex and a promising approach to handle them is by Multiple Criteria Decision Analyses (MCDA). The study is based on the problem that the MCDA that have been implemented into forest management planning have only had capacity to compare and evaluate a limited number of management plans; which means that there is a risk the most suitable plan is missed. The aim with this study was to test the applicability of combining the MCDA tools: the Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) and the Analytic Hierarchy Process (AHP) for including consideration to multi-objectives into strategic forest management planning. The study was based on the process of creating and selecting a management plan, using Heureka PlanWise, suitable for all the major objectives found in the forest holdings of a municipality in northern Sweden.
Riskaversion - En studie av den svenska aktiemarknaden
Syftet med uppsatsen är att undersöka huruvida det har skett en förändring i riskaversionen mellan perioden 1980-1995 och 1996-2000. Sambandet mellan risk och värdering undersöks för att ta reda på detta. En kvantitativ metod har använts för att genomföra undersökningen. Statistiska modeller som enkel och multipel regression har använts för att söka samband mellan värdering och risk. Rådata har hämtats ur ?SIX Trust?-databasen och vi har därefter behandlat datan i Excel och SPSS.
Personlighets och självkänslas samband med psykisk ohälsa hos studenter vid Lunds universitet
The purpose of this study is to examine whether personality traits, self-esteem, performance-based self-esteem and demographic data relate to, and can explain the variation in psychological ill-health among students at Lund University. A questionnaire was distributed to students attending the Psychology program, Bio-technology program, Theologian program and Law program. There were 247 respondents to the questionnaire, mainly attending their second or third semester. General Health Questionnaire (GHQ-12), Rosenberg's Self- Esteem scale, Hallstens scale measuring performance-based self-esteem, questions relating to demographic data and a short version of the personality inventory scale Big Five were included in the questionnaire. Positive correlations were found between psychological ill-health and the variables neuroticism and performance-based self-esteem.
Är goodwillnedskrivningar värderelevanta - En studie av den svenska aktiemarknaden
This study investigates the value relevance of goodwill impairments for equity investors in Swedish listed companies. We provide insight on whether goodwill impairments are value relevant before as well as after the implementation of IFRS 3 and IAS 36. We express market value of equity as a function of book value of equity; net income excluding goodwill impairments and goodwill impairments, using the Ohlson valuation model and Hellström's price regression. Our findings suggest that goodwill impairments are statistically value relevant for equity investors. Prior to the implementation of IFRS 3 and IAS 36, our findings imply that equity investors respond negatively to goodwill impairments.
Tidsperspektiv som prediktor för individuella skillnader i upplevd stress : En tvärsnittsstudie av äldre vuxna
Time Perspective is related to mental and physical health. This study examines the relationship between Time Perspective and perceived stress where Time Perspective was expected to predict the level of perceived stress. Past-negative, Future-negative, Future-positive and present-fatalistic were expected to be positively associated with perceived stress while Past-positive and present-hedonistic were expected to be negatively associated. Measures from the self-assessment forms S-ZTPI, PSQ-recent and CES-D from 445 participants (242 women, 203 men) between 60-90 years were used to examine the hypothesis of the study. Two hierarchical multiple regression analysis confirmed that Time Perspective is associated with perceived stress and in part 2 explains it's variance, one when adjusting for demographic data (.R = .37) and the 2 other when adjusting for demographic data and depressive symptoms (.R = .13).
Upplevd livskvalitet hos personer med MS
Many persons with long-term illness experience a decline in their quality of life. Perceived Quality of Life is a subjective term based on prior personal experiences and is highly individual. The aim of this qualitative study was to investigate perceived Quality of Life in persons with Multiple Sclerosis and to get knowledge if physical therapy changes a person?s quality of life. Three women and three men with a range of disability were interviewed in depth.
Lyckans land? : En ekonometrisk studie över nationshemvistens påverkan på upplevd lycka.
Does the country people live in affect the probability of them experiencing happiness? Can a country variable in an ordinal regression model be affected when microeconomic and macroeconomic factors are added to the model? The possible outcomes are either that the country variable affects less when the additional predictors are added to the model, or that they stay the same. The micro data is collected from the European Social Survey database, the macro data is collected from the World Bank. The country variable becomes less substantial when additional variables are added to the model. The variable with the most influence over expected happiness apart from the country variable is whether the individual often socializes with friends or not.
Skapar DRM mervärde? En Studie i Market Timing
Denna studie undersöker huruvida aktiv strategi villkorlig en diskret regression modell (DRM) skapar mervärde relativt en passiv buy-and-hold strategi i form av avkastning, risk samt variationskoefficient. Modellens metod, en binär logistisk regression, estimerar den förväntade relativa avkastningen mellan en indexfond (AFGX) samt den korta riskfria räntan (SSVX). För estimera den relativa avkastningen mellan tillgångarna använder DRM data från aktiemarknaden, räntemarknaden, obligationsmarknaden, inflationsindex samt industriproduktionsindex. Timingbeslutet görs vid varje månadsskifte och kapitalet placeras i den tillgången med högst förväntad avkastning under kommande månad med start den 1:e januari 2002 och slut den 31:e december 2005.Den empiriska diskussionen visar att mervärdet av DRM´s avkastning, risk och variationskoefficient kontra de fast viktade portföljerna uteblir. Således blir slutsatsen att DRM inte klarar av att mäta den förväntade relativa avkastningen mellan tillgångarna och den passiva strategin i denna kontext förblir ett bättre alternativ..
Optimering av multiprocessorsystem med hjälp av schemaläggning
A well known optimization-problem of multiprocessor system is scheduling of tasks. In this paper I use a variant of previous known algoritm, (Fast Critical Path) for scheduling real-time tasks on a multiprocessor system. This is made in a simulation study in MATLAB. The system architecture is assumed to be a MIMD- machine, (Multiple Instruction stream Multiple Data stream) with bus-typologi and message-architecture. Scheduling was made on this system where the number of processors varying from five to ten.
Mobilapplikationer som hjälpmedel i underhållsindustrin : med fokusering på arbetsorderhantering
This thesis paper discusses the results of a survey which was conducted to investigate the potential usefulness of mobile apps in the maintenance department at Perstorp Specialty Chemicals AB. The paper contains four sections, a theory section, a method section , a section that explains the functionality of the app, and finally a results section where the results and conclusions of the survey are discussed. The theory section explains and discusses relevant terminology used in the computer science field and in the maintenance industry. The theoretical model used in this paper is also discussed. The methods section gives a stepwise description of the project and a description of platform and software used.
Praktisk tillämpning av virtuellt byggande i partneringprocessen
This thesis paper discusses the results of a survey which was conducted to investigate the potential usefulness of mobile apps in the maintenance department at Perstorp Specialty Chemicals AB. The paper contains four sections, a theory section, a method section , a section that explains the functionality of the app, and finally a results section where the results and conclusions of the survey are discussed. The theory section explains and discusses relevant terminology used in the computer science field and in the maintenance industry. The theoretical model used in this paper is also discussed. The methods section gives a stepwise description of the project and a description of platform and software used.
Valuta för pengarna : En kvantitativ studie av svenska aktivt förvaltade aktiefonders bakomliggande variabler och kostnadsmått
Aktiv fondförvaltning har den senaste tiden fått utstå mycket kritik, en av de senaste stora skandalerna var då Swedbanks Roburs VD gick ut med ett uttalande om att deras kunder inte fått vad de betalat för vid aktivt förvaltade fonder, samt att det är en mycket liten chans för dem att lyckas prestera över index. Dessa uttalanden ledde till att organisationen Aktiespararna valde att stämma Swedbank Robur, samt var en intresseväckare för denna uppsats. Syftet med denna studie var att undersöka huruvida det föreligger något samband mellan en fonds riskjusterade avkastning och variablerna: Morningstar rating, Normanbelopp, förvaltningsavgift, omsättningshastighet och fondförmögenhet. I samband med detta undersöktes huruvida dessa variabler hade en positiv påverkan på fondernas utveckling, för att fastslå orsak/verkan-samband. Vidare undersöktes känsligheten hos det nya nyckeltalet Normanbelopp, genom att förändra dess grundläggande antaganden.Studien baseras på 50 stycken svenska aktivt förvaltade aktiefonder med legalt säte i Sverige där tidsintervallet sträcker sig mellan åren 2004-2014, datamaterialet har sedan bearbetats i SPSS i både multipla- samt enkla regressioner.Resultatet av studien påvisade att enbart Morningstar rating hade en stark positiv korrelation i samband med en positiv påverkan i form av förklaringsvärde, på den riskjusterade avkastningen.
Downside Risk - En studie av riskkompensation på den svenska aktiemarknaden
This paper investigates the compensation for risk in the context of the Swedish stock market with a special focus on downside risk. Using daily market data collected from the A-list of the Stockholm Stock Exchange between the years 1983 and 2005 the purpose is to answer the question whether Swedish investors are compensated for holding stocks with high downside risk, measured as downside beta. Using panel data analysis it is shown, in accordance with most previous evidence in international research, firstly that stocks with high beta values on average experience higher returns than stocks with low beta values, and secondly that stocks with high downside beta values experience higher returns than stocks with high beta values in general. On the other hand, cross-sectional regression methodology using a bivariate regression approach shows that downside beta does not explain excess returns very well. Instead, regression analysis suggest that high upside beta does a much better job in explaining excess return over this time period compared to downside beta.
Biljardproblem
Objective: In recent years there has been an increasing interest within the clinical (medical) science in measuring people?s health. When estimating quality of life, present practise is to use the EQ-5D questionnaire and an index which weighs the different questions. The question is what happens if the individuals estimate there own health, would it differ from the public preferences? The aim is to make a new prediction model based on the opinion of patients and compare it to the present model based on public preferences.Method: A sample of 362 patients with unstable coronary artery disease from the Frisc II trial, valued their quality of life in the acute phase and after 3, 6 and 12 months.