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1362 Uppsatser om Simple linear regression - Sida 19 av 91

Genetic diversity of Roseroot (Rhodiola rosea L.) from Sweden, Greenland and Faroe Islands

Roseroot (R. rosea L.) has gained more attention the last years, mainly because of its phy-topharmacologic properties. Even though many reports in roseroot have been published, only a few articles are dealt with the genetic diversity. The Nordic Genetic Resource Center has collected Roseroot material from Sweden, Greenland and Faroe Islands under different expeditions. The samples were analysed to study the genetic diversity study.

Kognition och nutritionsstatus hos äldre i Blekinge

Försämrat nutritionsstatus är ett vanligt förekommande problem hos äldre och en av orsakerna kan vara nedsättning i den kognitiva förmågan. Ytterligare faktorer som kan påverka försämrat nutritionsstatus är när äldre bor på särskilt boende eller är ensamboende i eget boende. Syftet var att beskriva samband mellan äldres kognition och nutritionsstatus i relation till ålder och kön, med fokus på äldre som bodde på särskilt boende eller var ensamboende i eget boende. Studien hade en kvantitativ ansats och byggde på redan insamlat material från SNAC-B (the Swedish National study on Aging and Care i Blekinge). Deskriptiv och analyserande statistisk användes i studien för att beskriva materialet samt undersöka samband.

Studie utav ett larmsystem ur ett signalteoretiskt perspektiv : Study of a detector by a signal detection theory

In present-day situation many libraries use detectors so that they can be able to prevent attempts too take out books without registering them. The university library in Jonkoping is one of the libraries that have such a detector. But unfortunately it doesn?t always work correct and can also react on other things a part from books. This is a big problem since the library staff don?t have time to check all signals that comes from detector.

Drivkrafter bakom den totala faktorproduktivitetens utveckling på regional nivå : En fallstudie på de svenska FA-regionerna under perioden 1990 ? 2005

Production requires the input of capital and labour. Hence, economic growth can be assumed to follow from increased levels of these two factors. Policies aimed at increasing production may consequently successfully be focused on facilitating the accumulation of capital and labour. However, even when an economy has managed to reach the same quantities of input factors as a more prosperous neighbour, the level of the production might still differ. The explanation of this lies in what economists refers to as expression embracing the characteristics of the input factors and the conditions in which they operate.In this thesis a calculation of total factor productivity is carried out, using existing data on the Swedish FA-regions between 1990 and 2005 and the method the economist Robert Solow in the 1950?s.

En kvalitetskontroll - Snustillverkaren Fiedler & Lundgren kvalitetstestas

This paper aims to describe the variation and develop a method to control the production for the product Metropol Kaktus from the snuff developer Fiedler & Lundgren. We are going to use the requirements from the product specifications as limits of the expected quality when we present methods to control the process. One method attempts to control during the process and the other attempts to maximize the number of products with strived quality before the process starts. Metropol Kaktus is a product produced with high quality, the mean weight is 20,023 gram and this is very close to the weight, 20 gram, which is reported in the product specifications. The variation in weight variable is less than what is reported in the specifications and the minimum weight is over the limit set by Livsmedelsverket.

Prissättningen av bostadsrätter: Vilka faktorer påverkar priserna, vad är riktpriset för en lägenhet?: - En mikrostudie av Södermalm i Stockholm

Those who have invested in apartments, i.e. tenant-ownership, within the city centre of Stockholm have gained a higher than expected return on investment due to a buoyant real estate market. During the latest twelve-month period, the prices have risen more than 20 per cent in the city of Stockholm, resulting in an increased wealth together with a higher debt burden among investors. The aim of this thesis is to investigate which factors determine the prices from a micro perspective, and to what extent. An attempt is particularly made to estimate the degree of capitalization of the monthly fees; a factor which has turned out to be important according to other studies; but also to construct pricing models in order to set target prices for apartments.

Kognition och nutritionsstatus hos äldre i Blekinge

Försämrat nutritionsstatus är ett vanligt förekommande problem hos äldre och en av orsakerna kan vara nedsättning i den kognitiva förmågan. Ytterligare faktorer som kan påverka försämrat nutritionsstatus är när äldre bor på särskilt boende eller är ensamboende i eget boende. Syftet var att beskriva samband mellan äldres kognition och nutritionsstatus i relation till ålder och kön, med fokus på äldre som bodde på särskilt boende eller var ensamboende i eget boende. Studien hade en kvantitativ ansats och byggde på redan insamlat material från SNAC-B (the Swedish National study on Aging and Care i Blekinge). Deskriptiv och analyserande statistisk användes i studien för att beskriva materialet samt undersöka samband.

FEM?modeller för expansionsanalys av piplines

REINERTSEN AS performs expansion and buckling analyses of pipelines using ANSYS, afinite element modelling and analysis tool. In an expansion analysis the pipeline is modelledwith thin?walled pipe elements called PIPE20 which allows plastic deformation. However, ina recent analysis the results retrieved from the PIPE20 element were incorrect for strainsabout 1 percent. One main issue was that the PIPE20 element overestimated the strains.The purpose with this Master Thesis was to become familiar with the theories and analysismethods used in pipeline design.

NIM MED EN MODULÄR MULLERTWIST

This paper explains the basis for impartial games and the classicgame Nim. Nim is complicated by a modular Muller twist and thesolution for this game is described by a simple theorem. The modularMuller twist means that at the end of each move the player selects a kand the number of sticks the next player leaves in the pile, where thedraw is made, must be congruent with k modulo m. The number m isfixed throughout the game..

Emilie Du Châtelets analys av lycka : Upplösning av polemiken mellan illusion och förnuft

Emma Nordin: Emilie Du Châtelets analys av lycka: Upplösning av polemiken mellan illusion och förnuft. Uppsala universitet: inst. för idé- och lärdomshistoria, C-uppsats, höstterminen, 2012. The 18th century is a time period known for its battle with superstition, illusion and falseness. With the Torch of Reason the philosophers of the time were set on vanquishing everything untrue and lead mankind into what they themselves called the Enlightenment. Happiness had moved from Heaven to Earth in science, truth and pleasure.

Dagvattendammars reningseffekt : påverkande faktorer och metodik för statistisk modellering

Storm water is defined as runoff from precipitation such as rain or snow. It is collected in sewage disposal systems and since it mainly originates from urban areas it can contain high levels of heavy metals, nutrients and oil etc. Polluted storm water is currently treated by different methods such as wet ponds, constructed wetlands and filter strips. This study investigates these methods, which in earlier studies have shown to give varying results regarding their treatment efficiency.This thesis has been written on commission of SWECO VIAK and was aimed at studying those parameters that may affect the treatment efficiency of nutrients and heavy metals in storm water treatment facilities (STF:s). Through literature studies the dominating treatment processes in ponds and wetlands were examined.

Att undervisa för framtiden : Gymnasielärares tolkningar av kursplanerna i ämnet Programmering

Arbetet har utforskat möjligheten och precisionen av BRP-prediktion för tre statistiska metoder; linjär regression, regressionsträd och modellträd. För modellutvärdering har testfelsskattning erhållen genom korsvalidering och en jämförelse mot Statistiska Centralbyråns (SCB) prognos av BRP används. Resultatet visar att regressionsträd inte lämpar sig för BRP-prediktion, medan de andra två lyckas med rimlig felmarginal. Procentuell avvikelse för metoden som ligger närmast SCB:s prognos har 0,3 i genomsnitt och standardavvikelse 3,0..

Kvicksilversituationen i Stockholms skärgård

Kvicksilverutsläppen har på senare år minskat i omfattning men utsläpp sker fortfarande och det finns ett stort lager i naturen. Oorganiskt kvicksilver är relativt ofarligt för levande organismer, men i akvatiska miljöer kan sulfatreducerande bakterier under syrefria förhållanden omvandla oorganiskt kvicksilver till den betydligt mer skadliga formen metylkvicksilver, meHg, som även är mer biotillgängligt än oorganiskt kvicksilver. Kvicksilver biomagnifieras uppåt i trofinivåerna, från att vara lägst halter i plankton och bottenfauna till att vara högst halter i rovfiskar. Kvicksilver ackumuleras även i fiskars muskelvävnad vilket innebär att yngre fiskar har lägre Hg-halter än gamla och stora individer. På grund av detta finns kostråd framtagna av Livsmedelsverket.

Miljöbyggnad, GULD värt? : En undersökning av fastighetsägares erfarenheter och tankar kring ett nytt certifieringssystem

During the past few years an increased attention has been paid to environmental issues in the construction and property sector in Sweden. In order to simplify the work with these issues a Swedish environmental certification system for buildings called Miljöbyggnad has been developed. This thesis aims to investigate the opinion of a selected number of selected property owners of Miljöbyggnad. From that basis recommendations and actions for the future work with the system will be presented.The investigation has been conducted through personal interviews with five property owners. The main issues that the interviews have been based on are their purpose, experiences, perceived complications and future prospects in terms of certification using Miljöbyggnad.The system intends to be cost-effective, simple and to offer a relevant environmental assessment of buildings and the result from the report indicates that this is largely fulfilled.

Karaktärisering av Gremmeniella-skadade bestånd inom Holmen Skog AB :

Since the end of the eighteenth century forest damage caused by the pathogen Gremmeniella abietina has been observed and documented. During the latest epidemic in Sweden more than 480 000 hectares forest land have been injured and this has lead to considerable economic losses. For the pathogen to succeed with infection, spore dispersal and colonization the right environmental conditions is required. The aim of this paper is to describe the diseased stands using site and stand characteristics and to evaluate the effect of these variables on the disease incidence. Further, the thinning performed during the time for spore dispersal and its relationship to injured stands is examined.

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