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Showing result 1 - 5 of 549 essays matching the above criteria.

  1. 1. Feature Selection for Microarray Data via Stochastic Approximation

    University essay from Göteborgs universitet/Institutionen för data- och informationsteknik

    Author : Erik Rosvall; [2024-03-18]
    Keywords : feature selection; feature ranking; microarray data; stochastic approximation; Barzilai and Borwein method; Machine Learning; AI;

    Abstract : This thesis explores the challenge of feature selection (FS) in machine learning, which involves reducing the dimensionality of data. The selection of a relevant subset of features from a larger pool has demonstrated its effectiveness in enhancing the performance of various machine learning algorithms. READ MORE

  3. 2. Comparison of VADER and Pre-Trained RoBERTa: A Sentiment Analysis Application

    University essay from Lunds universitet/Statistiska institutionen

    Author : Linda Erwe; Xin Wang; [2024]
    Keywords : sentiment analysis; natural language processing; BERT; VADER; sustainability report; Mathematics and Statistics;

    Abstract : Purpose: The purpose of this study is to examine how the overall sentiment results from VADER and a pre-trained RoBERTa model differ. The study investigates potential differences in terms of the median and shape of the two distributions. Data: The sustainability reports of 50 independent random companies are selected as the sample. READ MORE

  4. 3. Transforming Chess: Investigating Decoder-Only Architecture for Generating Realistic Game-Like Positions

    University essay from Umeå universitet/Institutionen för datavetenskap

    Author : William Pettersson; [2024]
    Keywords : Transformer; Decoder; Decoder-only; AI; Artificial intelligence; Generating; generative model; Chess;

    Abstract : Chess is a deep and intricate game, the master of which depends on learning tens of thousands of the patterns that may occur on the board. At Noctie, their mission is to aid this learning process through humanlike chess AI. A prominent challenge lies in curating instructive chess positions for students. READ MORE

  5. 4. Effects of personal perspective on an individuals’ moral intuition

    University essay from Lunds universitet/Institutionen för psykologi

    Author : Petra Hassellöf Olsson; Sara Molavi; [2024]
    Keywords : Moral cognition; moral intuition; personal perspective framing; Social Sciences;

    Abstract : Can we manipulate how morally permissible or unjustifiable someone finds a certain action by framing a dilemma in either a first- or third-person perspective? This online study aims to investigate this question through a between-group study. 42 participants, recruited through social media, on campus, and through snowballing, were divided into two groups and asked to rank nine different moral actions from fully morally permissible to fully morally unjustifiable, the only difference between the groups being the personal perspective framing. READ MORE

  6. 5. How distributional equity affects evolutionarily sustainable landscape management

    University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskap

    Author : Malin Johansson; [2023-12-14]
    Keywords : ;

    Abstract : As the human population rapidly grows, ensuring food availability for everyone will require substantial agricultural intensification in a sustainable manner. This must however be achieved without negatively impacting ecosystems or stakeholders' (e.g. farmers) livelihoods. READ MORE