Essays about: "unbalanced data"

Showing result 21 - 25 of 102 essays containing the words unbalanced data.

1. 21. Classifying Electricity Tower Image Data with Unsupervised Curriculum Learning

   University essay from Luleå tekniska universitet/Institutionen för system- och rymdteknik

   Author : Jacob Wedin; [2022]
   Keywords : ;

   Abstract : The core objective of this thesis is to classify a set of aerial photographs into two categories, those containing an electricity tower and those not containing an electricity tower. While supervised deep learning methods can reach excellent results on such tasks, they require large amounts of labeled data. READ MORE

3. 22. PEPP Talk: The Impact of the ECB's Pandemic Emergency Purchase Programme on the Corporate Bond Market

   University essay from Lunds universitet/Företagsekonomiska institutionen

   Author : Lorenzo Gianni Günther; Emma Lundblad; [2022]
   Keywords : Quantitative Easing; The European Central Bank; The Pandemic Emergency Purchase Programme; Corporate Bonds; Covid-19; Credit Spread; Business and Economics;

   Abstract : Purpose: This thesis aims to evaluate whether the ECB’s Pandemic Emergency Purchase Programme (PEPP) cushioned the Covid-19 crisis’ impact on the Euro area’s corporate bond market and relieved borrowing conditions. Methodology: The methodology is based upon unbalanced panel data and difference-in-differences regressions with firm-clustered standard errors. READ MORE

4. 23. Competitive Strategies of Digital Platforms in New Markets : An analysis of the strategies and firm financial performanceof digital platforms entering competitive markets in theNordics

   University essay from Blekinge Tekniska Högskola/Institutionen för industriell ekonomi

   Author : David Fouhy; Alfredo Pais; [2022]
   Keywords : PaaS; platform as a service; digital platforms; competitive strategies; return on assets; ROA; panel data; longitudinal data; panel data regression model; fixed effects; OLS model; firm performance; subsidy; seed and marquee users; piggybacking; micro market; profitability; quick ratio; debt ratio; working capital turnover ratio; sales growth;

   Abstract : Over the recent decade the world has seen an increase in businesses launching new, or changing theirbusiness model to, digital platforms. New and established businesses are flocking to digital platformsin order to evolve their business model and keep up with advancements in technology, such as cloudcomputing, which enables commerce and communication on a much faster and more streamlinedlevel. READ MORE

5. 24. Payout Policy and Agency Concerns: A Study on Differences in Payout Ratios and Payout Mix between Dual and Single-Class Firms

   University essay from Lunds universitet/Företagsekonomiska institutionen

   Author : John Sköld; Fredrik Santesson Ståhl; [2022]
   Keywords : Payout-policies; Dual-class; Single-class; Agency theory; Corporate Governance; Business and Economics;

   Abstract : Purpose: The purpose of this study is to investigate if there is any difference in payout policies between firms that adopt a dual-class share structure compared to a single-class share structure. Methodology: We are using an unbalanced panel data set of firms that are listed on the Stockholm Stock Exchange (SSE). READ MORE

6. 25. Impact of model architecture and data distribution on self-supervised federated learning

   University essay from Lunds universitet/Matematik LTH

   Author : Karin Bergdahl; [2022]
   Keywords : machine learning; federated learning; self-supervised learning; Technology and Engineering;

   Abstract : Data is a crucial resource for machine learning. But in many settings, such as in healthcare or on mobile devices, there are obstacles that make it difficult to utilize the available data. This data is often distributed between many clients and private, meaning that central storage of the data is inadvisable. READ MORE