Essays about: "Naïve model"

Showing result 1 - 5 of 86 essays containing the words Naïve model.

  1. 1. Preprocessing method comparison and model tuning for natural language data

    University essay from Högskolan Dalarna/Mikrodataanalys

    Author : Peter Tempfli; [2020]
    Keywords : Natural language processing; sentiment analysis; machine learning;

    Abstract : Twitter and other microblogging services are a valuable source for almost real-time marketing, public opinion and brand-related consumer information mining. As such, collection and analysis of user-generated natural language content is in the focus of research regarding automated sentiment analysis. READ MORE

  2. 2. Forecasting Financial Time Series through Causal and Dilated Convolutional Neural Networks

    University essay from Linköpings universitet/Institutionen för datavetenskap

    Author : Lukas Börjesson; [2020]
    Keywords : ;

    Abstract : In this paper, predictions of future price movements of a major American stock index was made by analysing past movements of the same and other correlated indices. A model that has shown very good results in speech recognition was modified to suit the analysis of financial data and was then compared to a base model, restricted by assumptions made for an efficient market. READ MORE

  3. 3. Hyperparameter Optimization for Convolutional Neural Networks

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

    Author : Clément Gousseau; [2020]
    Keywords : ;

    Abstract : Training algorithms for artificial neural networks depend on parameters called the hyperparameters. They can have a strong influence on the trained model but are often chosen manually with trial and error experiments. READ MORE

  4. 4. Sentiment analysis of movie reviews in Chinese

    University essay from Uppsala universitet/Institutionen för lingvistik och filologi

    Author : Jun Zhang; [2020]
    Keywords : sentiment analysis; classification strategies; feature selection; machine learning; embedding; deep learning;

    Abstract : Sentiment analysis aims at figuring out the opinions of the users towards a certain service or product. In this research, the aim is at classifying the sentiments of users based on the comments they have posed on Douban movie website. READ MORE


    University essay from Mälardalens högskola/Akademin för innovation, design och teknik

    Author : Kostiantyn Sharovarskyi; [2020]
    Keywords : ;

    Abstract : Robotic systems are involved in our daily lives and the amount of traction they have received is non-negligible. In spite of their sizeable popularity, the quality of their software is often dismissed. That may hinder an important property of robotic systems: safety. The movement of mobile robots introduces an obvious safety concern. READ MORE