Essays about: "linear regression"

Showing result 21 - 25 of 1236 essays containing the words linear regression.

1. 21. Classifying Previous Covid-19 Infection : Advanced Logistic Regression Approach

   University essay from Umeå universitet/Institutionen för matematik och matematisk statistik

   Author : Daniel Westerholm; [2023]
   Keywords : Covid-19; logistic regression; clustering;

   Abstract : The study aimed to developed a logistic model based on antibody proteins, vaccinations and demographic factors that predicts previous infection in Covid-19. The data set comprised of 2750 individuals from eldercare homes in Sweden, with four test dates executed between October of 2021 and August of 2022. READ MORE

3. 22. Regression and time estimation in the manufacturing industry

   University essay from Uppsala universitet/Statistik, AI och data science

   Author : Walter Bjernulf; [2023]
   Keywords : regression; linear regression; regression trees; random forests; cross validation; variable selection; conformal prediction;

   Abstract : In this thesis an analysis is performed on operation times for different sized products in a manufacturing company. The thesis will introduce and summarise most of the theory needed to perform regression and also cover a worked example where three different regression models are learned, evaluated and analysed. READ MORE

4. 23. Understanding the Relationship between Individuals’ Emotional Response and Environmental Protection Intentions : A Quantitative Research in the Context of Public Service Advertisements

   University essay from Linnéuniversitetet/Institutionen för marknadsföring och turismvetenskap (MTS)

   Author : Ziyi Zhang; Yaxin Xue; [2023]
   Keywords : Emotions; Positive emotional response; Negative emotional response; Intention; Public service advertisement PSA ; Message framing; Environment Protection;

   Abstract : Background: The protection of the environment requires everyone in this world to act together. If more individuals have the intention to protect the environment, then more individuals and a higher probability of taking action to protect the environment. READ MORE

5. 24. Exploring Momentum: The Hidden Drivers of Stock Returns in the Nordic Market

   University essay from Handelshögskolan i Stockholm/Institutionen för finansiell ekonomi

   Author : Axel Dillner; Johanna Roos; [2023]
   Keywords : Momentum; Price Momentum; Earnings Momentum; Earnings Surprises; Standardized Earnings Surprise; SES;

   Abstract : This thesis investigates the relationship between price momentum, earnings momentum, and stock returns in the Nordic region by examining the risk-adjusted performance measures of various momentum strategy portfolios. Inspired by Novy-Marx's 2015 theory that momentum in firm fundamentals explains the performance of price momentum strategies, this study seeks to provide deeper insights into momentum drivers and their implications for investment professionals. READ MORE

6. 25. Kernel Methods for Regression

   University essay from Linnéuniversitetet/Institutionen för matematik (MA)

   Author : Tom Lennart Rossmann; [2023]
   Keywords : Kernel Methods; Regression; Ridge Regression;

   Abstract : Kernel methods are a well-studied approach for addressing regression problems by implicitly mapping input variables into possibly infinite-dimensional feature spaces, particularly in cases where standard linear regression fails to capture non-linear relationships in data. Therefore, the choice between standard linear regression and kernel regression can be seen as a tradeoff between constraints on the number of features and the number of training samples. READ MORE