Classification Table Predicted admit Percentage Correct 254 19 93.0 97 30 23.6 Overall Percentage 71.0 a. The cut value is .500 Variables in the Equation B S.E. Wald df Sig. Exp(B) Step 1a gre .002 .001 4.284 .038 1.002 gpa .804 .332 5.872 1 .015 2.235 rank 20.895 3 .000 rank(1) 1.551 .418 13.787 1 .000 4.718 rank(2) .876 .367 5.706 1 .017 2.401 rank(3) .211 .393 289 1 .591 1.235 Constant -5.541 1.138 23.709 1 .000 .004 a. Variable(s) entered on step 1: gre, gpa, rank. (K) The sensitivity = y and y = X = a (L) The specificity = b a = and b = %3D
Classification Table Predicted admit Percentage Correct 254 19 93.0 97 30 23.6 Overall Percentage 71.0 a. The cut value is .500 Variables in the Equation B S.E. Wald df Sig. Exp(B) Step 1a gre .002 .001 4.284 .038 1.002 gpa .804 .332 5.872 1 .015 2.235 rank 20.895 3 .000 rank(1) 1.551 .418 13.787 1 .000 4.718 rank(2) .876 .367 5.706 1 .017 2.401 rank(3) .211 .393 289 1 .591 1.235 Constant -5.541 1.138 23.709 1 .000 .004 a. Variable(s) entered on step 1: gre, gpa, rank. (K) The sensitivity = y and y = X = a (L) The specificity = b a = and b = %3D
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Can you answer K and L
Transcribed Image Text:Classification Table
Predicted
admit
Percentage
Correct
1
somit
254
19
93.0
97
30
23.6
Overali Percentage
71.0
a. The cut value is .500
Variables in the Equation
S.E.
Wald
df
Sig.
Exp(B)
Step 1° gre
.002
.001
4.284
1
.038
1.002
gpa
.804
.332
5.872
1
.015
2.235
rank
20.895
.000
rank(1)
1.551
.418
13.787
1
.000
4.718
rank(2)
.876
.367
5.706
1
.017
2.401
rank(3)
.211
.393
289
1
591
1.235
Constant
-5.541
1.138
23.709
1
.000
.004
a. Variable(s) entered on step 1: gre, gpa, rank.
(K) The sensitivity = y x =
and y =
%3D
%3D
a
(L) The specificity = b a =
%3D
and b =
(M) The overall success rate of the logit model is
S
(N) The false positive of the predicting equation is t s=
and
t =
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