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Showing result 1 - 5 of 313 essays matching the above criteria.

  1. 1. Predicting True Sepsis and Culture-positive Sepsis in Intensive Care Unit with Machine Learning Techniques

    University essay from Lunds universitet/Matematisk statistik

    Author : Zeyuan Wu; [2024]
    Keywords : Machine Learning; Diagnosis of Sepsis; XGBoost; Logistic Regression; Mathematics and Statistics;

    Abstract : Sepsis, a serious medical condition often leading to patients requiring intensive care, has prompted numerous scientists to employ mathematical techniques to aid in its diagnosis. This thesis uses logistic regression and a machine learning technique, XGBoost, to predict true sepsis (as opposed to sepsis mimics) and culture-positive sepsis (among true sepsis) in critical care using blood test results, physiological measurements and other patient characteristics. READ MORE

  3. 2. Risky Business: Quantitative Risk Assessments as Enabling Devices in Cybersecurity

    University essay from Lunds universitet/Avdelningen för Riskhantering och Samhällssäkerhet

    Author : Colette Alexander; [2024]
    Keywords : Quantitative risk assessment; cybersecurity; enabling device; Technology and Engineering;

    Abstract : Quantitative risk assessment (QRA) is a growing practice in the cybersecurity field. This paper examines QRA the use in various industries and the problems with its use. The focus of the qualitative research is to understand why cybersecurity organizations might want to use QRA even if it produces untrue and potentially problematic results. READ MORE

  4. 3. Ferdinand, the Unpredictable Bull : Cash Flow Distribution Behavior During U.S. Recessions - An Event Time Analysis

    University essay from Handelshögskolan i Stockholm/Institutionen för finansiell ekonomi

    Author : Erik Gunnarsson; Tom Mueffelmann; [2023]
    Keywords : Business Cycles; Event Time Study; Predictability of the Price-Dividend Ratio; Aggregate Dividends; Net Repurchases;

    Abstract : The paper employs an event study approach to investigate the behavior of aggregate cash flow distributions and stock prices in the U.S. stock market around recessions. Aggregate prices anticipate low aggregate dividend and economic growth until adjusting for the diverse time measurement methodologies. READ MORE

  5. 4. Predicting user churn using temporal information : Early detection of churning users with machine learning using log-level data from a MedTech application

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Love Marcus; [2023]
    Keywords : User churn; Customer attrition; Artificial neural networks; Log-level analysis; Random forests; Decision trees; Användarbortfall; Kundbortfall; Artificiella neurala nätverk; logganalys; Slumpskogar; Beslutsträd;

    Abstract : User retention is a critical aspect of any business or service. Churn is the continuous loss of active users. A low churn rate enables companies to focus more resources on providing better services in contrast to recruiting new users. READ MORE

  6. 5. Lagom, the key to a sustainable business? : The role of lagom within international business and its impact on environmental sustainability: A qualitative study

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

    Author : Hugo Jansson; Linus Krebser; [2023]
    Keywords : International Business; Business culture; Sustainability; Lagom; Leadership culture;

    Abstract : With the rising importance of environmental sustainability, there is a growing need for solutions. Some research indicates that Sweden is performing well in environmental sustainability and the Swedish concept of lagom has been trending in recent years due to its usefulness in leadership. READ MORE