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2005
519.237 (075.8)
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" " 18 Statistica, , . , , .
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1
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2 .
1. [1. C. 391-422, 621-652].
2. Statistica.
Cost. sta File\ Open. . 59 . : fuel , repair , capital , truck . 3. : Statistics\Basic Statistics and Tables\Descriptive statistics. |
Variables , truck. Advanced (Median), (Mode), (Variance), (Kurtosis) (Skewness). Summary . .
Descriptive statistics , Normality, Histograms. , . - . .
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4. fuel, repair capital. , Basic Statistics and Tables, Correlation matrices. , One variable list Summary. ( 5% ) . .
. , fuel repair capital Two lists () fuel repair () capital. Product- Moment and Partial correlation Advanced/ plot Partial correlations. . . .
5. truck fuel, repair capital.
Statistics\ Multiple Regression , Variables, (truck), (fuel, repair capital). OK.
Multiple Regression Results. , , , .
Summary: Regression results. B, t-. . Multiple Regression Results Advanced ANOVA. . F- .
Multiple Regression Results Advanced Partial correlations. .
( Multiple Regression Results, Residuals, Perform residual analysis).
, .
6. , (Workbook), .
2
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4 .
1. [1. . 452-473; 4. . 255-260].
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2. firm.sta 12 , : labor , defect (%) fund . ( firm), 4 , 5 . .
3.
, . . ANOVA. |
Statistics \ ANOVA One - way ANOVA, (dependent) labor, defect, fund (factor) firm. , More results Assumptions.
, Homogeneity of variances / covariances (, - ) , , .
Distribution of variables within groups, , : Scatterplots.
4. 9 , Statistics\ Multivariate Exploratory Techniques\ Discriminant Analysis (Grouping variable) firm, (Independent variable list) labor, defect fund. Summary. , , , .
Discriminant Function Analysis Results Classification Classification functions. . :
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Classification matrix, , . 100%.
, Classification of cases Posterior probabilities ( ). -
3 , , ( 10 11 , 12 ). Squared Mahalanobis distances. |
5. . (Statistics\ Multivariate Exploratory Techniques\ Discriminant Analysis) Advanced options. . Advanced ( F / ) (Method) : Forward () Backward (). Standard , . , . 4 .
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6. . 35. .
3
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4 .
1. " " [1. . 483-510; 4. . 241-254].
2. utility.sta 22 , : CR ( ), R , Cost 1 , $, Load , Demand , Sales , /, Nucl , Fuel , -. .
3. . . ? utility_st.sta .
4. 22 , Statistics\ Multivariate Exploratory Techniques\ Cluster Analysis k -, K- means clustering OK. k - ( , Name). Advanced Cluster Cases; , ; (Initial cluster centers).
, , . Advanced. Cluster Means& Euclidean Distances .
Analysis of variance . Graph of means
. Descriptive statistics for each cluster ( , ) . Members of each cluster& distances () , . Save . |
, . ?
5. 22 , Statistics\ Multivariate Exploratory Techniques\ Cluster Analysis , Joining (tree clustering) OK.
( , Name).
Advanced :
Cluster Cases;
Amalgamation (linkage) rule, .. : Single linkage , Complete linkage , Unweighted pair-group average , Weighted pair-group average , Unweighted pair-group centroid , Weighted pair-group centroid , Wards method ;
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Distance measure.
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Vertical hierarchical tree plot, .
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Statistica Two- way joining, .
4
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2 .
1. [1. . 521-546; 5. . 30-79].
2. stocks.sta Allied Chemical, Du Pont, Union Carbide, Exxon Texaco - ( 100 ) 1975 1976. , ().
3. . . . ?
4. Statistica Statistics \Multivariate Exploratory Techniques\Principal Components & Classification Analysis.
Principal Components and Classification Analysis ( , Week) OK.
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(Number of factors) (Quality of representation). Factor& variable correlations. Screeplot Eigenvalues, Eigenvectors. .
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5. . ?
5
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4 .
1. " " [1. . 546-564].
2. , : stocks.sta.
3. . Statistica Statistics\ Multivariate Exploratory Techniques\ Factor Analysis ( , Week) OK. Advanced : Principal components , , 2, 0. OK.
Summary Quick , , 0,7. ( Eigenvalues) . Explained variance Communalities . Scores Factor scores ( 100 ).
4. . Factor rotation : , , , , , Varimax normalized. .
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5. ( ) , . .
, , Add variables :
4 Scores Factor scores ( 100 ). ( NewVar1 NewVar2). Statistics\ Multivariate Exploratory Techniques\ Cluster Analysis k - (. 3) .
6. .
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1. .., .. : . . .: , 1998. 1022 .
2. .., .. , .: , 2001. 270 .
3. .., .. Statistica: Windows. .: , 1997. 266 .
4. .., .., .. . .: , 1998. 352 .
5. .. . .: , 2002. 352 .
6. .., .., ., . . .: , 1999. 706 .
7. , / .-, .. , .. . .: , 1989. 215 .
8. Johnson R.A., Wichern D.W. (2002). Applied Multivariate Statistical analysis. New Jersey. Prentice Hall. 767 .
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