Essays about: "Substitution model"

Showing result 1 - 5 of 54 essays containing the words Substitution model.

  1. 1. A Statistical Approach to Understand the Evolution of Exotic Butterfly Species

    University essay from KTH/Matematisk statistik

    Author : Elin Eliasson; Rebecka Haraldsson; [2023]
    Keywords : Phylogenetics; Tree reconstruction; COI barcoding; General Time Reversible Model; K80 Model; Evolution; Butterflies; Fylogenetik; Rekonstruktion av träd; COI barcoding; General Time Reversible modell; K80 modell; Evolution; Fjärilar;

    Abstract : The alarming rate at which we see the decline in biodiversity due to human activity has raised concerns about the well-being of our planet. Butterflies which serve as pollinators are an essential part of many ecosystems and sensitive indicators of environmental changes and can provide valuable insight into how ecosystems function and evolve. READ MORE

  3. 2. Punctuation Restoration as Post-processing Step for Swedish Language Automatic Speech Recognition

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

    Author : Ishika Gupta; [2023]
    Keywords : Transformer; BERT; KB-BERT; NLP; punctuation restoration; deep learning; neural networks;

    Abstract : This thesis focuses on the Swedish language, where punctuation restoration, especially as a postprocessing step for the output of Automatic Speech Recognition (ASR) applications, needs furtherresearch. I have collaborated with NewsMachine AB, a company that provides large-scale mediamonitoring services for its clients, for which it employs ASR technology to convert spoken contentinto text. READ MORE

  4. 3. Context-aware Swedish Lexical Simplification : Using pre-trained language models to propose contextually fitting synonyms

    University essay from Linköpings universitet/Institutionen för datavetenskap

    Author : Emil Graichen; [2023]
    Keywords : automatic text simplification; lexical simplification; Swedish; BERT; GPT-3; evaluation dataset; synonymy;

    Abstract : This thesis presents the development and evaluation of context-aware Lexical Simplification (LS) systems for the Swedish language. In total three versions of LS models, LäsBERT, LäsBERT-baseline, and LäsGPT, were created and evaluated on a newly constructed Swedish LS evaluation dataset. READ MORE

  5. 4. Labour Demand Composition and Wage Responses in a Transition to a Clean Economy : A Case Study on the EU ETS

    University essay from Uppsala universitet/Nationalekonomiska institutionen

    Author : Jeroen Boksebeld; [2023]
    Keywords : Environmental Economics; EU ETS; Labour market; Sustainable Transition; Deterministic Simulation; Economics;

    Abstract : This thesis studies the effect on labour demand of a transition from an unconstrained economy featuring a ’clean’ and a ’dirty’ production method towards a fully clean economy, using a simplified General Equilibrium model. This model is calibrated to the European Union Emission Trading System (EUETS) and features a linear decline in a cap placed on the dirty production method. READ MORE

  6. 5. An Empirical Investigation of The Effect of Proxy Response and The Merits of Its Remedial Measures

    University essay from Högskolan Dalarna/Institutionen för information och teknik

    Author : Charles Edward Okon; Randi Kalanika Assalaarachchi; [2023]
    Keywords : missing data; proxy response; missingness mechanism; error-in-variable; logistic regression; Monte-Carlo simulation; missing at random; complete case analysis; proxy substitution; multiple imputation; inverse probability treatment weighting;

    Abstract : In the event of missing data, substitution of data from proxy sources are usually considered a very useful alternative when available to avoid the problem of missingness. Nonetheless, research has also shown that this approach often induces “response bias”. READ MORE