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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Econometric analysis of the prices of mobile phones
 Nešpor, Radim ; Formánek, Tomáš (advisor) ; Polonyankina, Tatiana (referee)
The work deals with the econometric analysis of the prices of mobile phones based on the selected parameters. The aim of this thesis is to determine, which of the selected parameters affect the price of a new mobile phone and how they affects the price. The theoretical part deals at first with the regression model and determining statistically significant variables and significance of the model as a whole. Then I introduce different procedures for finding and selecting the best estimate for the model. In this thesis I will focus on three procedures for the selection of explanatory variables: best subset selection, forward stepwise selection and backward stepwise selection. Finally I mention the detection of multicollinearity and heteroscedasticity testing. In the second part, I apply different procedures for the selection of explanatory variables and afterwards, based on the criteria defined in the first part, I will select the best model. Finally, I compare these models and choose the best one.
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Use of regression for analysis of attendance of individual teams from NHL
 Turek, Tomáš ; Řezanková, Hana (advisor) ; Vrabec, Michal (referee)
This bachelor thesis focuses on an analysis of regression which is concerned with the average of the spectator attendance in home games of individual teams from National Hockey League in the 2014/2015 season. The aim of this thesis is to consider the selected factors which might have an influence over the increase and the decline of attendance and the comparison to the results of selected regression methods at the selection of the variables to the regression model. The main benefit of this bachelor thesis is in the practical application of the analysis of regression including the selection of the best set of the independent variables with the utilization of various regression methods. A part of thesis is also a factual interpretation of the obtained results. For the selection of independent variables was used the stepwise method, forward and backward method.
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