Sökning: "LR test"

Visar resultat 1 - 5 av 12 avhandlingar innehållade orden LR test.

1. 1. Essays on Unit-Root Testing and on Discrete-Response Modelling of Firm Mergers

   Författare :Nikolay Angelov; Per Johansson; Steinar Strøm; Uppsala universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Economics; unit root; structural break; LR test; stationary alternative; matching; firm mergers; discrete choice; Nationalekonomi; Economics; Nationalekonomi; nationalekonomi; Economics;

   Sammanfattning : Essay 1 investigates the time-series properties of the price of iron ore. The focus is on unit-root testing in the presence of a structural break. Unit-root tests with or without structural breaks are applied to historical prices of five different qualities of Swedish and Brazilian iron ore. Tests with exogenous or endogenous breaks are analyzed. LÄS MER

3. 2. Dispersion and risk assessment of airborne contaminants in pharmaceutical clean rooms

   Författare :Berit Reinmüller; KTH; []
   Nyckelord :airborne contamination; clean rooms; clean zones; clothing systems; dispersion of contaminants; LR-Method; microbiological risk assessment; risk assessment; source strenth;

   Sammanfattning : In many of today's industries, particularly in the healthcare field, special protection is required against airbornemicrobiological contamination. Clean rooms and clean zones areused to separate the ambient environment from contaminationcontrolled areas. LÄS MER

4. 3. Ante partum determination of lactate in amniotic fluid

   Författare :Eva Wiberg-Itzel; Karolinska Institutet; Karolinska Institutet; []
   Nyckelord :Lactate; amniotic fluid; PROM; onset of labour;

   Sammanfattning : Background: The present studies were conducted to investigate whether lactate determination in vaginal fluids, 'Lac-test', could be used as a diagnostic test for prelabour rupture of membranes (PROM). To derive the best cut-off value for a positive test and to asses weather lactate determination in vaginal fluid was associated with, and could predict, onset of labour for woman with suspect PROM. LÄS MER

5. 4. Testing and Applying Cointegration Analysis in Macroeconomics

   Författare :Åsa Eriksson; Nationalekonomiska institutionen; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; economic systems; economic theory; econometrics; Economics; Fiscal policy; Government consumption; Private consumption; Unemployment; Hypothesis testing; Wage formation; Panel cointegration; Cointegration analysis; ekonomisk teori; economic policy; Nationalekonomi; ekonomisk politik; ekonometri; ekonomiska system;

   Sammanfattning : This thesis focuses on empirical applications and tests of macroeconomic theories. It consists of three fairly distinct essays, bound together by the common theme of the use of cointegration analysis in the empirical macroeconomic analysis. The first chapter is an introductory chapter, while chapter two, three and four contain the three essays. LÄS MER

7. 5. Assessment of balance control in relation to fall risk among older people

   Författare :Ellinor Nordin; Lillemor Lundin-Olsson; Anna Ramnemark; Gun-Britt Jarnlo; Umeå universitet; []
   Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; older people; falls; interactive gait; TUG; GUG; balance confidence; likelihood ratio; validity; reliability; risk factors; assessment; balance; gait; mobility; physical function; dual-task costs; step width; Physiotherapy; Sjukgymnastik fysioterapi;

   Sammanfattning : Falls and their consequences among older people are a serious medical and public health problem. Identifying individuals at risk of falling is therefore a major concern. LÄS MER