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7/27/2019 Analisis Diskriminan (DFA)
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AnalisisDiskriminan(Discriminant Function
Analysis / DFA)
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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
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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
Tugas pokok & fungsi
Pengetahuan
Motivasi
Beban kerja
Koordinasi
Kerjasama
Tugas pokok & fungsi
Pengetahuan
Motivasi
Beban kerja
Koordinasi
Kerjasama
Kinerja (dikotomis)
Rendah
Tinggi
Total
Mean
Std.
Deviation Unweighted Weighted
Valid N (listwise)
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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
Tugas pokok & fungsi
Pengetahuan
Motivasi
Beban kerja
Koordinasi
Kerjasama
Wilks'
Lambda F df1 df2 Sig.
Perbedaan antara mereka yang mempunyai Kinerja rendahdan tinggi dipengaruhi oleh Koordinasi (p
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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
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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
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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
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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
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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
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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
Tugas pokok & fungsi
Pengetahuan
Motivasi
Beban kerja
Koordinasi
Kerjasama
Tugas pokok & fungsi
Pengetahuan
Motivasi
Beban kerja
Koordinasi
Kerjasama
Kinerja (dikotomis)
Rendah
Tinggi
Total
Mean
Std.
Deviation Unweighted Weighted
Valid N (listwise)
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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%
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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.