Essays about: "Hyperparameter Optimization"

Showing result 11 - 15 of 49 essays containing the words Hyperparameter Optimization.

1. 11. Credit risk modelling and prediction: Logistic regression versus machine learning boosting algorithms

   University essay from Uppsala universitet/Statistiska institutionen

   Author : Linnéa Machado; David Holmer; [2022]
   Keywords : Machine learning; Credit risk; Logistic regression; Decision trees;

   Abstract : The use of machine learning methods in credit risk modelling has been proven to yield good results in terms of increasing the accuracy of the risk score as- signed to customers. In this thesis, the aim is to examine the performance of the machine learning boosting algorithms XGBoost and CatBoost, with logis- tic regression as a benchmark model, in terms of assessing credit risk. READ MORE

3. 12. Predicting purchase intentions of customers by using web data : To identify potential customer groups during sales processes in the real estate sector

   University essay from Uppsala universitet/Avdelningen för systemteknik

   Author : Olle Kåhre Zäll; [2022]
   Keywords : Web Usage Mining; Classification; Purchase Intentions; Time On the Market;

   Abstract : This master thesis aims to investigate the possibilities of predicting purchase intentions of customers during their sales processes in the real estate sector. Also, the web activity of customers on a real estate company’s web site is used as the basis for the forecasting. READ MORE

4. 13. Data Driven Energy Efficiency of Ships

   University essay from Högskolan i Halmstad/Akademin för informationsteknologi

   Author : Tarik Taspinar; [2022]
   Keywords : Local outlier factor; k-nearest neighbors; random forest; gradient boosting; support vector machines; ensemble learning; ship speed optimization; genetic algorithm; DEAP; HyperOpt;

   Abstract : Decreasing the fuel consumption and thus greenhouse gas emissions of vessels has emerged as a critical topic for both ship operators and policy makers in recent years. The speed of vessels has long been recognized to have highest impact on fuel consumption. READ MORE

5. 14. Modelling and Run-Time Control of Localization System for Resource-Constrained Devices

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

   Author : Albin Mosskull; [2022]
   Keywords : Cross-layer optimization; Resource-constrained devices; Automatic hyperparameter tuning; Runtime control; Visual-inertial localization; Korsskiktsoptimering; Resursbegränsade enheter; Automatisk hyperparameterreglering; Körtidsreglering; Visuell-tröghets lokalisering;

   Abstract : As resource-constrained autonomous vehicles are used for more and more applications, their ability to achieve the lowest possible localization error without expending more power than needed is crucial. Despite this, the parameter settings of the localization systems, both for the platform and the application, are often set arbitrarily. READ MORE

6. 15. Evaluating the effects of hyperparameter optimization in VizDoom

   University essay from Högskolan i Skövde/Institutionen för informationsteknologi

   Author : Markus Olsson; Simon Malm; Kasper Witt; [2022]
   Keywords : Vizdoom; reinforcement learning; hyperparameter optimization;

   Abstract : Reinforcement learning is a machine learning technique in which an artificial intelligence agent is guided by positive and negative rewards to learn strategies. To guide the agent’s behavior in addition to the reward are its hyperparameters. These values control how the agent learns. READ MORE