Essays about: "Pearson coefficient"

Showing result 16 - 20 of 63 essays containing the words Pearson coefficient.

  1. 16. Exploring the Correlation Between Ratings, Adjectives and Sentiment on Customer Reviews

    University essay from Mittuniversitetet/Institutionen för data- och systemvetenskap

    Author : Einar Sandström; Fredrik Josefsson; [2022]
    Keywords : Stanford CoreNLP; sentiment analysis; opinion mining;

    Abstract : Customer reviews are important for both customers and companies. Customers want to find out if the product or service is what they need while companies want to figure out if their product is good enough for their customers. There is, however, an issue where customers very rarely write a product review. READ MORE

  2. 17. Measures of statistical dependence for feature selection : Computational study

    University essay from Umeå universitet/Statistik

    Author : Mohamad Alshalabi; [2022]
    Keywords : ;

    Abstract : The importance of feature selection for statistical and machine learning models derives from their explainability and the ability to explore new relationships, leading to new discoveries. Straightforward feature selection methods measure the dependencies between the potential features and the response variable. READ MORE

  3. 18. Analysis of factory test data of on-load tap-changers for power transformers

    University essay from Uppsala universitet/Avdelningen för systemteknik

    Author : Oscar Stenhammar; [2021]
    Keywords : on-load tap-changer; OLTC; power transformer;

    Abstract : On-load tap-changers (OLTC) are devices in the power grid that keeps the voltage level constant for consumers, regardless of the power demand. Hitachi ABB Power Grids, producer of the OLTC family named VUC, guarantees 30 years of lifetime. Such a pledge requires high standard devices. READ MORE

  4. 19. The configuration model for multi-layer networksformation

    University essay from Uppsala universitet/Institutionen för informationsteknologi

    Author : Katarzyna Kowalczyk; [2021]
    Keywords : ;

    Abstract : Generating synthetic network data is a significant part of network analysis. One of the main challenges in generating synthetic networks is to preserve features observed inreality. For a long time, our social connections were mostly simulated by graphs, imitating some features, e.g. READ MORE

  5. 20. Wine quality prediction model using machine learning techniques

    University essay from Högskolan i Skövde/Institutionen för informationsteknologi

    Author : Rohan Dilip Kothawade; [2021]
    Keywords : Classification; support vector machine; naïve Bayes; artificial neural network;

    Abstract : The quality of a wine is important for the consumers as well as the wine industry. The traditional (expert) way of measuring wine quality is time-consuming. Nowadays, machine learning models are important tools to replace human tasks. READ MORE