Analisis Diskriminan (DFA)

7/27/2019 Analisis Diskriminan (DFA)

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AnalisisDiskriminan(Discriminant Function

Analysis / DFA)


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4/23

Data original

Tupoksi Pngtahuan Motivasi Beban Koordinasi Kerjasama Tggjwb

3.86 3.50 3.25 4.25 4.33 1.00 1.00

3.43 4.67 3.00 4.00 4.00 3.67 4.67

3.71 3.83 3.25 4.50 4.17 3.33 3.00

3.43 4.17 2.50 3.75 3.83 3.00 3.33

2.86 3.00 2.25 4.50 3.00 2.33 2.67

3.29 1.67 2.75 3.75 3.33 3.00 4.00

2.86 4.00 2.75 4.00 3.00 2.67 2.67

4.14 3.17 2.50 3.75 4.17 3.00 1.00

2.71 4.17 2.50 4.00 3.67 3.00 3.33

3.71 3.83 3.75 4.75 4.33 3.00 3.00

No

1

2

3

4

5

6

7

8

9

10


5/23

Group Statistics

3.3820 .39900 15 15.000

3.9673 .53812 15 15.000

2.7500 .34069 15 15.000

4.0833 .24398 15 15.000

3.4893 .45177 15 15.000

2.6887 .84033 15 15.000

3.4896 .26822 26 26.000

3.6538 1.06536 26 26.000

2.8846 .44850 26 26.000

4.0865 .44126 26 26.000

4.0204 .22385 26 26.000

3.4742 .36791 26 26.000

3.4502 .32162 41 41.000

3.7685 .91329 41 41.000

2.8354 .41310 41 41.000

4.0854 .37753 41 41.000

3.8261 .41209 41 41.000

3.1868 .69174 41 41.000

Tugas pokok & fungsi

Pengetahuan

Motivasi

Beban kerja

Koordinasi

Kerjasama


Pengetahuan

Motivasi

Beban kerja

Koordinasi

Kerjasama


Pengetahuan

Motivasi

Beban kerja

Koordinasi

Kerjasama

Kinerja (dikotomis)

Rendah

Tinggi

Total

Mean

Std.

Deviation Unweighted Weighted

Valid N (listwise)


6/23

Tests of Equality of Group Means

.973 1.067 1 39 .308

.972 1.124 1 39 .296

.975 1.010 1 39 .321

1.000 .001 1 39 .980

.605 25.455 1 39 .000

.693 17.252 1 39 .000


Pengetahuan

Motivasi

Beban kerja

Koordinasi

Kerjasama

Wilks'

Lambda F df1 df2 Sig.

Perbedaan antara mereka yang mempunyai Kinerja rendahdan tinggi dipengaruhi oleh Koordinasi (p


7/23

Metode Stepwise

Variables Entered/Removeda,b,c,d

Koordinasi 2.676

Rendah

and

Tinggi

25.455 1 39.000 1.085E-05

Kerjasama 5.666

Rendah

and

Tinggi

26.255 2 38.000 6.896E-08

Step

1

2

Entered Removed Statistic

Between

Groups Statistic df1 df2 Sig.

Exact F

Min. D Squared

At each step, the variable that maximizes the Mahalanobis distance between the two closest

groups is entered.

Maximum number of steps is 12.a.

Maximum significance of F to enter is .05.b.

Minimum significance of F to remove is .10.c.

F level, tolerance, or VIN insufficient for further computation.d.

p


8/23

Variables in the Analysis

1.000 .000

.956 .000 1.814

Rendah

and

Tinggi

.956 .000 2.676

Rendah

and

Tinggi

Variables

Koordinasi

Kerjasama

Variables

Koordinasi

Kerjasama

Step

1

2

Tolerance

Sig. of F

to Remove

Min. D

Squared

Between

Groups


9/23

Eigenvalues

1.382a

100.0 100.0 .762

Function

1

Eigenvalue

% of

Variance Cumulative %

Canonical

Correlation

First 1 canonical discriminant functions were used in the

analysis.

a.

Koefisien determinasi= r2 = (0,762)2 = 0,58 = 58%Artinya 58% varians dari variabel Kinerja dapat dijelaskan

oleh hanya 2 variabel bebas, yaitu Koordinasi dan Kerjasama


10/23

Wilks' Lambda

.420 32.980 2 .000

Test of Function(s)

1

Wilks'

Lambda Chi-square df Sig.

Perilaku mereka yang mempunyai Kinerja rendahbenar-benar berbeda dengan mereka yang mempunyaiKinerja tinggi (p


11/23

Structure Matrix

.687

.566

-.192

.172

.112

-.042

Koordinasi

Kerjasama

Beban kerjaa

Tugas pokok & fungsia

Pengetahuana

Motivasi a

1

Function

Pooled within-groups correlations between

discriminating variables and standardized

canonical discriminant functions

Variables ordered by absolute size of

correlation within function.

This variable not used in the analysis.a.

Koefisien fungsi diskriminan untuk variabelKoordinasi: 0,687, dan Kerjasama: 0,566


12/23

Group Statistics

3.3820 .39900 15 15.000

3.9673 .53812 15 15.000

2.7500 .34069 15 15.000

4.0833 .24398 15 15.000

3.4893 .45177 15 15.000

2.6887 .84033 15 15.000

3.4896 .26822 26 26.000

3.6538 1.06536 26 26.000

2.8846 .44850 26 26.000

4.0865 .44126 26 26.000

4.0204 .22385 26 26.000

3.4742 .36791 26 26.000

3.4502 .32162 41 41.000

3.7685 .91329 41 41.000

2.8354 .41310 41 41.000

4.0854 .37753 41 41.000

3.8261 .41209 41 41.000

3.1868 .69174 41 41.000


Pengetahuan

Motivasi

Beban kerja

Koordinasi

Kerjasama


Pengetahuan

Motivasi

Beban kerja

Koordinasi

Kerjasama


Pengetahuan

Motivasi

Beban kerja

Koordinasi

Kerjasama

Kinerja (dikotomis)

Rendah

Tinggi

Total

Mean

Std.

Deviation Unweighted Weighted

Valid N (listwise)


13/23

Classification Resultsb,c

13 2 15

1 25 26

86.7 13.3 100.0

3.8 96.2 100.0

13 2 15

1 25 26

86.7 13.3 100.0

3.8 96.2 100.0

Kinerja (dikotomis)Rendah

Tinggi

Rendah

Tinggi

Rendah

Tinggi

Rendah

Tinggi

Count

%

Count

%

Original

Cross-validateda

Rendah Tinggi

Predicted Group

Membership

Total

Cross validation is done only for those cases in the analysis. In cross

validation, each case is classified by the functions derived from all cases

other than that case.

a.

92.7% of original grouped cases correctly classified.b.

92.7% of cross-validated grouped cases correctly classified.c.

Ketepatan prediksi dari model adalah 92,7%


14/23

Derivation and Test

of Discriminant Functions


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Contoh


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Referensi:

Afifi AA & Clark V. 1990. Computer-aidedMultivariate Analysis. 2nd Ed. New York: VanNostrand Reinhold Company.

Johnson RA & Wichern DW. 1992. AppliedMultivariate Statistical Analysis. New Jersey:Prentice Hall.

Analisis Diskriminan (DFA)

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