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answers
1 answer
6.6k
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How to calculate the class probabilities and classify using Naive Bayes classifier?
We have data on 1000 pieces of fruit. The fruit being a Banana, Orange or some Other fruit and imagine we know 3 features of each fruit, whether it’s long or not, sweet o...
commented
Aug 13, 2020
Machine Learning
machine-learning
naive-bayes
ml-exercise
ele888-final
ai-final
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–
1
answers
1 answer
6.6k
6.6k views
How to update weights using gradient decent algorithm?
For the below neural network, imagine we are going to use the backpropagation algorithm to update weights. If the Bias (b) in this problem is always 0 (ignore bias when y...
commented
Jul 16, 2020
Machine Learning
machine-learning
deep-learning
gradient-decent
backpropagation
cost-function
linear-regression
ml-exercise
ele888-final
+
–
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?
commented
Jul 13, 2020
Machine Learning
machine-learning
ml-exercise
logistic-regression
probability
ml-midterm
ele888-midterm
+
–
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...
answered
Jul 11, 2020
Machine Learning
machine-learning
logistic-regression
loss
ml-exercise
ele888-midterm
ml-midterm
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