تم الحل ✓
categoryالرياضيات
schoolبكالوريوس
event_available2026-07-15
السؤال
Transcribed Image Text:
8. (55) There is a logistic regression model investigating whether the grade of ISOM 2600 is
"Pass" or "Fail". The model is a binary classifier that 1 for "Pass" and 0 for "Fail" and there
are two features: "CGA" and "Hours". The model is as follow:↓
P(Pass CGA, Hours)
=
1
1+ exp(-(-12.2871 + 3.5312 × CGA + 0.2149 × Hours))
"CGA": Cumulative Grade Average
"Hours": Number of hours spent on studying ISOM 2600.<
a.
b.
C.
d.
e.
(5) Predict the probability of passing ISOM 2600 if the "CGA" is 3.2 and
the "Hours" is 9.<
(5) Predict the probability of passing ISOM 2600 if the "CGA" is 3.2 and
the "Hours" is 9.<
(5) Transform the model into log odds form.<
(10) What is the effect of CGA on P(Pass), positive or negative?<
(15) Here is the ROC Curve with AUC = 0.90625. Interpret the AUC of
this question.<
f.
(15) From ROC curve, what is your guess of KS-Measure?<
ROC curve with AUC 0.90625
True Positive Rate
0.2
0.0
0.0
0.2
04
06
False Positive Rate
0.8
10
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