Two-step recommendations: contrast analysis and matrix factorization techniques

Presentation of two-step recommendation model based on Contrast Analysis and Matrix Factorization techniques which mutually complement each other. Providing brief overview of different Matrix Factorization approaches. Founding Influence search algorithm.

Подобные документы

  • Comparison of the results of combining quality indicators presented in verbal-numerical scales (based on the matrix of correspondence between the classes of verbal and numerical equivalence), with the aim of obtaining the scale of complex quality index.

    статья, добавлен 29.01.2016

  • A focused factory is a approach for manufacturing enterprise. The development of heuristic scheduling algorithm in step-by-step method. Nagare cell is a combination of manual and semiautomatic machine for maximum output flexibility for productions.

    статья, добавлен 17.04.2013

  • Factor analysis is an analysis of influence of separate factors (reasons) on the resulting indicator by using deterministic or stochastic techniques of research. It allows you to explore the functional relationship between the general resulting indicator.

    статья, добавлен 10.05.2023

  • The development of understanding the least squares and related statistical methods without becoming excessively mathematical. The review of key concepts in simple linear regression, matrix operations, and multiple regression. Geometric interpretations.

    книга, добавлен 25.11.2013

  • The problem of studying the relationship of economic indicators in economic analysis. Construction of an econometric model of the ratio of the exchange rate of tenge to the ruble and the possibility of using it to forecast real economic processes.

    статья, добавлен 23.06.2020

  • Основы использования формально-логических методов математического моделирования теплообменных объектов в технологических установках. Описание этапов выполнения технических вычислений с помощью компьютерного языка программирования Matrix Laboratory.

    методичка, добавлен 14.12.2013

  • Building the continuous linear model of international trade based on the theory of probabilistic processes. Analysis of commodity-money flows between the parties to the Treaty under the given rules of the contractual relationship continuously in time.

    статья, добавлен 26.06.2016

  • The influence of controlled and uncontrolled factors on price formation in public procurement procedures. Advantages and drawbacks of competitive tender procedures. The mathematical model for estimating the expected procurement price depending of bidders.

    статья, добавлен 24.02.2016

  • Justification of the importance of financial analysis of enterprises in the modern market economy. Estimating of the current financial condition of the enterprise using the constructed fuzzy model that implements Mamdani's fuzzy inference method.

    статья, добавлен 14.09.2016

  • The models for calculating the number of buses of different types depending on the variable passenger time and a specified interval of vehicles. The analysis of the influence of the speed of vehicles on the total costs of motor transport enterprises.

    статья, добавлен 26.06.2016

  • The analysis of modern approaches to forecasting of innovative development. The building of the predictive models in economic systems. The use of methodology of overcoming of temporal gap for calculating the extremum points of cycles of reproduction.

    статья, добавлен 26.08.2016

  • This study is intended the major issues of applying econometric and machine learning techniques to a daily demand prediction problem. The purpose of the paper is going to be achieved via the models’ predictive power comparison on bakery retail chain data.

    дипломная работа, добавлен 14.07.2020

  • Transformation of model equations and analysis. The mathematical model that explores the dynamics of the impact of the use of condom and therapeutic treatment simultaneously. Nonlinear differential equation system consisting in groups of the population.

    статья, добавлен 20.05.2017

  • The use of mathematical methods in economic analysis is the most important direction for improving management systems. Mathematical methods speed up economic analysis, increase the accuracy of calculations and take into account the impact on productivity.

    статья, добавлен 27.12.2023

  • In this study problem of short-term forecasting for coal and crude oil production in Ukraine. Autoregressive and optimal filtering algorithm for linear systems based upon autoregressive model of second order were constructed for short term forecasting.

    статья, добавлен 29.07.2016

  • Methods of identification, evaluation, treatment and monitoring of operational risk have been generalized and systematized. The methodology for decision support system of operational risk management based on Bayesian techniques has been developed.

    статья, добавлен 30.07.2016

  • Data Analysis and Model-Building Basics, making Predictions by Using Regression. Comparing Many Means with ANOVA. Building Strong Connections with Chi-Square Tests, rebels without a Distribution. Ten Errors in Statistical Conclusions, Practice Problems.

    учебное пособие, добавлен 09.04.2013

  • Carrying out of econometric analysis by means of panel data models of the volume of innovative goods, works and services in the Russian Federation. The dependence on the number of personnel involved in scientific research and the internal expenses.

    статья, добавлен 30.07.2017

  • Approach to the linear model of international trade based on the theory of Markov processes. Continuous model of international trade is built, in which the transition of the system from state to state is described by linear differential equations.

    статья, добавлен 29.11.2016

  • The most effective model to evaluate the enterprise innovative capacity subject to an uncertainty factor is the model based on the fuzzy sets theory. The model has obvious advantages in comparison with the expert and statistical methods of evaluation.

    статья, добавлен 28.09.2016

  • Formation of the economic-mathematical model of small enterprises functioning. Analisis of dynamics of enterprises development providing investment mobilization. Model solutions in the dimension of frequency characteristics due to Laplace transformation.

    статья, добавлен 27.09.2016

  • Mathematical model of effect of non-compliance with the prevention of HIV among a heterogeneous population based on known model by Kimbir et al. The effectiveness of a condom use and implications of non-compliance with a population of preventive measures.

    статья, добавлен 20.05.2017

  • Analyze the efficiency and the overall performance of Turkish airports using the data envelopment analysis. Efficiency scores under constant returns to scale. Indentifying the most and least efficient airports in Turkey using data envelopment analysis.

    статья, добавлен 27.09.2016

  • In the article describes the current state of agent-based modeling of geographic space and spatial economic systems. It also reveals the reasons why this approach to modeling such phenomena is of particular interest. The review of approaches is given.

    статья, добавлен 16.06.2022

  • General comparison of signaling and econometric approaches, arguments for and against each of methods to predict a banking collapse. Econometric approach of banking crises' modelling. Fitting the prediction model for banking crisis 2008-2009 in Russia.

    дипломная работа, добавлен 28.08.2016

Работы в архивах красиво оформлены согласно требованиям ВУЗов и содержат рисунки, диаграммы, формулы и т.д.
PPT, PPTX и PDF-файлы представлены только в архивах.
Рекомендуем скачать работу и оценить ее, кликнув по соответствующей звездочке.