Sökning: "linjärregression"

Visar resultat 1 - 5 av 12 uppsatser innehållade ordet linjärregression.

  1. 1. THE RELATIONSHIP BETWEEN PHYSICAL ACTIVITY AND COGNITIVE FAILURES IN MIDDLE-AGED ADULTS

    Master-uppsats, Umeå universitet/Institutionen för psykologi

    Författare :Mikaela Louise Brodén; [2023]
    Nyckelord :cognitive failures; attention lapses; physical activity; middle-aged; perceived stress; cognitive failures”; hjärnsläpp; fysisk aktivitet; medelålder; uppfattad stress;

    Sammanfattning : Cognitive failures (CF) refers to the experience of daily attentional lapses or workingmemory mishaps; for example, reading something and instantly forgetting what you haveread, or experiencing missing out on obvious information from street signs. Relationsbetween CF and psychological stress have been found, where higher levels of stress indicatea higher risk of experiencing CF, and the other way around. LÄS MER

  3. 2. Contamination Level Detection of Hydraulic Pressure Filters in Forklifts : using only pump motor currents and load pressure measurements

    Master-uppsats, Linköpings universitet/Institutionen för systemteknik

    Författare :Robert Sehlstedt; Erik Sellén; [2022]
    Nyckelord :forklift; contamination; level; fault; detection; hydraulic; pressure; filter; pump; motor; current; pressure; data; pdm; predictive; maintenance; rm; reactive; physical; model; modelling; models; moving; window; linear; regression; armature; mean; gaffeltruck; kontamineringsnivå; kontaminering; detektering; feldetektering; tryckfilter; hydraulikfilter; hydraulfilter; filter; pumpfilter; pump; motor; motorström; tryck; linjär; regression; linjärregression; fysikalisk; modellering; modell; armatur; genomsnittsvärde; fönster; data; datafönster;

    Sammanfattning : With the advent of Industry 4.0 and the Internet of Things, collecting data on Cyber-Physical systems has become the norm practice in large scale industries. By collectingrelevant data, it is possible to monitor the health status of whole systems or specificcomponents within them. LÄS MER

  4. 3. Macroeconomic factors' impact on the number of bankruptcies among small and medium-sized companies

    Kandidat-uppsats, KTH/Matematisk statistik

    Författare :Agnes Hansson; Agnes Lindvall; [2020]
    Nyckelord :Bachelor thesis; bankruptcy; macroeconomic factors; multiple regression analysis; Kandidatuppsats; konkurs; makroekonomiska faktorer; multipel linjärregression; statistik.;

    Sammanfattning : Small and medium-sized companies constitute a large part of the Swedish economy and are to a great extent exposed to the developments in the macroeconomy. There is a general consensus that it exists a relationship between these two components, but to what dimension is it true? The aim of this thesis is to evaluate if the number of bankruptcies among small and medium-sized companies can be explained by the situation in the macroeconomy. LÄS MER

  5. 4. Bidding models for bond market auctions

    Master-uppsats, KTH/Matematisk statistik

    Författare :Kristofer Engman; [2019]
    Nyckelord :Auction; winner s curse; request for quote; RFQ; statistics; applied mathematics; financial mathematics; bond; e-auction; fixed income; skew exponential power; mifid II; pricing; Budgivning; winner s curse; request for quote; RFQ; statistik; tillämpad matematik; finansiell matematik; obligation; e-auktion; fixed income; skew exponential power; mifid II; prissättning;

    Sammanfattning : In this study, we explore models for optimal bidding in auctions on the bond market using data gathered from the Bloomberg Fixed Income Trading platform and MIFID II reporting. We define models that aim to fulfill two purposes. The first is to hit the best competitor price, such that a dealer can win the trade with the lowest possible margin. LÄS MER

  7. 5. Vilket gap-mått är bäst lämpat vid inflationsprognoser?-En empirisk studie

    Kandidat-uppsats, Göteborgs universitet/Institutionen för nationalekonomi med statistik

    Författare :Sofia Berntsson; Mersiha Muratovic; [2017-07-03]
    Nyckelord :inflation; BNP; arbetslöshet; prognostisering; autoregressivmodell; Phillipskurvan; Okuns lag; HP-filter; linjärregression; trend; gap-mått;

    Sammanfattning : To forcast inflation is an important part of the Central bank’s role. The aim with this thesis is to study if the unemployment gap is a better measure than the GDP-gap when it comes to forcasting inflation. Our theoretical framework builds on the theory of the Phillipscurve and Okun’s law. We are using quarterly data from period 1993 to 2016. LÄS MER