Презентация на тему Stages of statistical research of dependencies, goal-oriented

STAGES OF STATISTICAL RESEARCH OF DEPENDENCIES, GOAL-ORIENTED  Barteneva Violetta StatisticsStatistics are statistics about quantitative changes. And its main task is to identify and describe the Purpose of researchestablishing the very fact that there is (or is not) a relationship between Y Stages in the process of statistical study of dependencies1) staged2) informational 3) correlation analysis 4) definition Accuracy of the coupling equationLet's look at the Stages of statistical research of dependencies, goal-orientedBarteneva Violetta e-mail: vita_barteneva01@mal.ru

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STAGES OF STATISTICAL RESEARCH OF DEPENDENCIES, GOAL-ORIENTED

Barteneva Violetta


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to identify and describe the existing relationships between them on the basis of particular results

Statistics

Statistics are statistics about quantitative changes. And its main task is to identify and describe the existing relationships between them on the basis of particular results of statistical observation of the analyzed indicators.


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not) a relationship between Y and X;* forecast of Y or average Usr values;* identification

Purpose of research

establishing the very fact that there is (or is not) a relationship between Y and X;
* forecast of Y or average Usr values;
* identification of causal relationships between variables X and indicators Y, partial management of Y values by adjusting the values of explanatory variables X .


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3) correlation analysis 4) definition of the class of acceptable solutions 5) analysis of predictive

Stages in the process of statistical study of dependencies

1) staged
2) informational
3) correlation analysis
4) definition of the class of acceptable solutions
5) analysis of predictive variables and selection of the most informative ones


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detecting a cause-and-effect relationship

Accuracy of the coupling equation

Let's look at the "mechanism for detecting a cause-and-effect relationship". Its implementation remains very problematic, since it requires a lot of effort to study the mechanism of converting variables X to Y, which is not always possible to do.


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Stages of statistical research of dependencies, goal-oriented

Barteneva Violetta
e-mail: vita_barteneva01@mal.ru


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