PRAKTIKUM 11
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Transcript of PRAKTIKUM 11
PRAKTIKUM 11REGRESI LOGISTIK
Regresi logistic pada dasarnya sama dengan analisis regresi berganda dimana perbedaannya terletak pada variable independennya (variable terikatnya) merupakan VARIABEL DUMMY ( 0 dan 1).
PENGERTIAN
KARAKTERISTIK Variabel yang digunakan lebih dari 2
(MULTIVARIATE ANALISIS) Variabel Dependen : Variabel dummy 0 = gagal 1 = sukses Variabel independen : skala Interval/Rasio Tujuan :
Ingin mengetahui variabel independen mana yang mempengaruhi suatu perusahaan masuk dalam kelompok GAGAL dan SUKSES
CONTOH : File kasus 11.1 menunjukkan variabel-variabel yang digunakan untuk mempengaruhi kegagalan dan keberhasilan suatu perusahaan dengan variabel yang digunakan :Variabel Dependen : 0 = gagal 1= suksesVariabel Independen :
- Current Ratio (CR)- Return on ASET (ROA)- Return on Invesment (ROI)- Ukuran Perusahaan (FIRMSIZE)
- Corporate Social Responsibility (CSR)
Lakukan analisis regresi logistik dan interpretasikan hasil output tersebut sesuai dengan tujuan penelitian ini.
Pertanyaan
Klik Analyze, Reression, Binary Logistic
Pada variabel dependen : masukkan group
Pada covariates : masukkan semua variabel independent
Klik Option dan beri checklist seperti ditunjukkan pada gambar berikut :
Langkah-langkah :
HASIL PRINTOUTCase Processing Summary
Unweighted Casesa N Percent
Selected Cases Included in Analysis 50 100,0
Missing Cases 0 ,0
Total 50 100,0
Unselected Cases 0 ,0
Total 50 100,0
a. If weight is in effect, see classification table for the total number of cases.
Dependent Variable Encoding
Original Value Internal Value
Fail 0
Succeed 1
Iteration Historya,b,c
Iteration -2 Log likelihood
Coefficients
Constant
Step 0 1 67,302 ,400
2 67,301 ,405
3 67,301 ,405
a. Constant is included in the model.
b. Initial -2 Log Likelihood: 67,301
c. Estimation terminated at iteration number 3 because parameter
estimates changed by less than ,001.
Classification Tablea,b
Observed
Predicted
group Percentage
CorrectFail Succeed
Step 0 group Fail 0 20 ,0
Succeed 0 30 100,0
Overall Percentage 60,0
a. Constant is included in the model.
b. The cut value is ,500
Variables in the Equation
B S.E. Wald df Sig. Exp(B)
Step 0 Constant ,405 ,289 1,973 1 ,160 1,500
Variables not in the Equation
Score df Sig.
Step 0 Variables cr 29,519 1 ,000
roa 26,034 1 ,000
roi 29,852 1 ,000
firmsize 29,859 1 ,000
csr 40,412 1 ,000
Overall Statistics 45,512 5 ,000
Omnibus Tests of Model Coefficients
Chi-square df Sig.
Step 1 Step 67,301 5 ,000
Block 67,301 5 ,000
Model 67,301 5 ,000
Model Summary
Step -2 Log likelihood
Cox & Snell R
Square Nagelkerke R Square
1 ,000a ,740 1,000
a. Estimation terminated at iteration number 20 because maximum iterations
has been reached. Final solution cannot be found.
Hosmer and Lemeshow Test
Step Chi-square df Sig.
1 ,000 7 1,000
Contingency Table for Hosmer and Lemeshow Test
group = Fail group = Succeed
TotalObserved Expected Observed Expected
Step 1 1 5 5,000 0 ,000 5
2 5 5,000 0 ,000 5
3 5 5,000 0 ,000 5
4 5 5,000 0 ,000 5
5 0 ,000 5 5,000 5
6 0 ,000 5 5,000 5
7 0 ,000 5 5,000 5
8 0 ,000 5 5,000 5
9 0 ,000 10 10,000 10
Classification Tablea
Observed
Predicted
group Percentage
CorrectFail Succeed
Step 1 group Fail 20 0 100,0
Succeed 0 30 100,0
Overall Percentage 100,0
a. The cut value is ,500
Variables in the Equation
B S.E. Wald df Sig. Exp(B)
95% C.I.for EXP(B)
Lower Upper
Step 1a Cr -1,703 8433,182 ,000 1 1,000 ,182 ,000 .
Roa 1,007 1528,366 ,000 1 ,999 2,738 ,000 .
Roi ,383 3838,481 ,000 1 1,000 1,467 ,000 .
Firmsize ,284 1888,960 ,000 1 1,000 1,328 ,000 .
Csr 1,423 963,622 ,000 1 ,999 4,148 ,000 .
Constant -41,727 78370,624 ,000 1 1,000 ,000
a. Variable(s) entered on step 1: cr, roa, roi, firmsize, csr.
Correlation Matrix
Constant cr roa roi firmsize csr
Step 1 Constant 1,000 -,964 -,870 -,956 ,881 ,631
cr -,964 1,000 ,866 ,909 -,895 -,526
roa -,870 ,866 1,000 ,882 -,942 -,575
roi -,956 ,909 ,882 1,000 -,944 -,766
firmsize ,881 -,895 -,942 -,944 1,000 ,637
csr ,631 -,526 -,575 -,766 ,637 1,000