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Recent questions tagged logistic-regression
3
3 votes
1
answers
1 answer
7.8k
7.8k views
How to calculate the probability and accuracy of a Logistic Regression classifier?
How to solve this problem?https://i.imgur.com/8urywpf.jpgQ1) Complete the ? sectionsQ2) Accuracy of system if threshold = 0.5?Q3) Accuracy of system if threshold = 0.95?
tofighi
116k
points
73
79
101
asked
Feb 3, 2020
Machine Learning
machine-learning
ml-exercise
logistic-regression
probability
ml-midterm
ele888-midterm
+
–
2
2 votes
2
2 answers
10.5k
10.5k views
How to optimize weights in Logistic Regression?
The hypothesis (model) of Logistic Regression which is a binary classifier ( $y =\{0,1\} $) is given in the equation below:Hypothesis$S(z)=P(y=1 | x)=h_{\theta}(x)=\frac{...
tofighi
116k
points
73
79
101
asked
Jun 5, 2019
Machine Learning
machine-learning
logistic-regression
batch
mini-batch
epoch
ml-exercise
ele888-midterm
+
–
3
3 votes
1
answers
1 answer
7.4k
7.4k views
How to calculate LogLoss in logistic regression?
The dataset of pass/fail in an exam for 5 students is given in the table below. If we use Logistic Regression as the classifier and assume the model suggested by the opti...
tofighi
116k
points
73
79
101
asked
Mar 18, 2019
Machine Learning
machine-learning
logistic-regression
loss
ml-exercise
ele888-midterm
ml-midterm
+
–
2
2 votes
1
answers
1 answer
13.3k
13.3k views
How to calculate probability in Logistic Regression?
The dataset of pass/fail in an exam for 5 students is given in the table below. If we use Logistic Regression as the classifier and assume the model suggested by the opti...
tofighi
116k
points
73
79
101
asked
Mar 18, 2019
Machine Learning
machine-learning
logistic-regression
probability
odds
ml-exercise
ml-midterm
+
–
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