Essays about: "Patrick Schwarz"

Found 3 essays containing the words Patrick Schwarz.

  1. 1. Stacking Ensemble Classification applied to US flight delay prediction during the COVID-19 pandemic

    University essay from Uppsala universitet/Statistiska institutionen

    Author : Patrick Schwarz; [2022]
    Keywords : Stacking Ensemble; Machine Learning; Flight Delays; Classification;

    Abstract : This thesis aims to show that a Stacking Ensemble of multiple base-learners can provide a more accurate prediction of commercial flight delays between the ten largest US airports than the individual prediction models. Three types of machine learning models, namely LASSO, Random Forests and Neural Networks are used as base-learners with different hyper- parameters. READ MORE

  2. 2. Prediction with Penalized Logistic Regression : An Application on COVID-19 Patient Gender based on Case Series Data

    University essay from Karlstads universitet/Handelshögskolan (from 2013)

    Author : Patrick Schwarz; [2021]
    Keywords : Covid-19; Logistic Regression; Penalized Regression; Ridge Regression; Elastic Net; Classification; Predictive Modeling; Statistical Modeling; glmnet;

    Abstract : The aim of the study was to evaluate dierent types of logistic regression to find the optimal model to predict the gender of hospitalized COVID-19 patients. The models were based on COVID-19 case series data from Pakistan using a set of 18 explanatory variables out of which patient age and BMI were numerical and the rest were categorical variables, expressing symptoms and previous health issues. READ MORE

  3. 3. Capital Structure and Profitability in German Family Firms : An Investigation of stock market listed family and non-family firms

    University essay from Uppsala universitet/Företagsekonomiska institutionen

    Author : Patrick Schwarz; [2014]
    Keywords : Capital Structure; Leverage; Profitability; Liquidity; Family Firm; Germany; Debt; Equity; Kaptialstruktur; Verschuldung; Aktiengesellschaft; Deutschland; Familienunternehmen; Liquidität; Profitabilität;

    Abstract : .... READ MORE