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.
The likelihood ratio test is a test used to compare the fit of two models, one of which is a special case of the other. The test is based on the likelihood ratio, which expresses how many times more likely the data are under one model than the other.
- 33. Logistic approaches to economic-mathematical modeling of pricing influence in government procurement
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.
Application of mathematical and statistical means for adaptation of the enterprise to changes. Theoretical and methodological substantiation of mathematical and statistical methods, models and tools of this process. Evaluation of its effectiveness.
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.
The impact of globalization and the expansion of international trade in the LDCs. The definitions of the mechanism by which these factors lead to a weakening of LDC institutions with a low level of technology, which can not absorb the advanced technology.
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.
Policy countries in a situation of migration of skilled labour and opportunities for social optimum achievement. Development of a model showing the interaction between the countries in the game, where public policies impact on the socio-economic balance.
Suggests an approach to the creation of the semantic and ontological model of knowledge of technical and technological potential of economic security of an enterprise. Offered to use mivar technologies to design technical potential of economic security.
Analysis of the reasons of cyclic crises of economic systems. Analysis of the stages of technological potential of economic safety of the enterprise. Study of mivar technologies for design technical and technological potential of economic security.
Questions modeling wood figures. Construction of models under extreme conditions. Processes of heat transfer in extreme mode. Growth, heat and wave processes, diffusion. Normed spaces and lots of variety. Transformations generated by model numbers tree.
Analysis of problems arising during data processing and effective means of their modeling and forecasting with using NumPy, Pandas, Matplotlib. Analysis of the contribution of customs revenues from import and export duties to the state budget of Ukraine.
The impact of futures indexes introduction on the volatility and market efficiency of the underlying assets. Investigation of the hedging of the futures. Relationship between the real estate U.S. futures index and American, European and Australian.
Mathematical methods of the allocating resources: proportional and priority. Development a software product that allows adjusting the budget. Production and proper management. Modelling of information systems for managing the resource allocation.
- 45. Modelling of special warning indicators for banking crises: the evidence from developing economies
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.
Study of algorithms of processing of nonlinear signal. The definition of the Gaussian model of normal random variables. The distribution of order statistics. The absolute value of the deviation of the weighted median. A balanced set of calculations.
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.
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.
Two kinds of delegation: partial and full delegation, in the context of both spillovers and product differentiation. Several trends of industrial organization are emphasized in this paper: strategic delegation, R&D spillovers and product differentiation
- 50. PHI-функции для моделирования ограничений включения в оптимизационных задачах балансной компоновки
Построение полного класса PHI-функций для моделирования отношения включения объектов, имеющих форму цилиндра, параллелепипеда, правильной призмы и шара в цилиндрический, параболоидный контейнер. Описание ограничения включения в аналитическом виде.
Planar and spatial design diagrams and motion equations of the vehicle in the course of straight-line motion. the elastic and dissipative characteristics of elastic constraints, longitudinal slope and road profile, changes of design characteristics.
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.
Discuss a number of procedures that are designed for testing the specification of econometric models, concerned with the numerical properties of these OLS estimates and refer to certain properties of estimates as "numerical" if they have nothing to do.
Russia and the international trade system. Regulation of external economic activities. Foreign trade pattern. Volumes of Russian Foreign Trade with Countries Outside Former Soviet Union in Value Terms (without unorganized trade, in billions dollars).
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.
Description of the evolution of the volatility of the stochastic process. Behavior of stock market indices. Carry out an analysis of the "Wind Volatility Effect to the North-East". Evolution of the transformed logarithmic sinusoidal wave in time.
The review method is intended to determine the properties of steel materials. Modeling neural networks to clarify the characteristics of metals. Determination of the values of the properties of steels. Structure of expert system of assessment materials.
The method of linear programming (simplex method) as the method of systematic improvement and quality management, in particular the formation of grinding compounds, and the use of the resulting models to predict, control and optimize the process.
Transition from linear to non-linear knowledge. Strengthening structural dysfunctions of complex social and man-made natural systems. Forms of "collateral damage". Reliable knowledge of complex risks and vulnerabilities based on better futures models.
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.