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# NPTEL Data Mining Assignment Answers 2023 -Week 6

Are you a student struggling with the Data Mining NPTEL Week 6 assignment? Look no further! In this article, we have compiled a set of hints and answers to help guide you through the assignment.

Make sure to give it a try on your own first, but use these hints as a helpful resource.

## NPTEL DATA MINING ASSIGNMENT ANSWERS 2023 -WEEK 6

Q1. Sufficient Number of output nodes required in an ANN used for two-class classification problem is:

Q2. How are the weights and biases initialized in an ANN in general?

Answer: (a) Can be initialized randomly

Q3. In which of the below neural network, the links may connect nodes within the same layer or nodes from one layer to the previous layers?

Answer: (d.) Both B, C

Q4. Neural Networks are complex ______________ with many parameters

Answer: (a.) Linear Functions

Q5. Artificial neural network used for:

Answer: (d.) All of the above

Q6. A neuron with 3 inputs has the weight vector [0.2 -0.1 0.1]^T and a bias θ = 0. If the input vector is X = [0.2 0.4 0.2]^T then the total input to the neuron is:

Q7. We are designing a SVM, W^Tx+b=0, suppose X/s are the support vectors and alpha / s the corresponding Lagrange multipliers, then which of the following statements are correct:

Q8. The neural network given bellow takes two binary valued inputs x1, x2 ϵ {0,1}, the activation function for each neuron is the binary threshold function (g(a)= 1 if a >0; 0 otherwise). Which of the following logical functions does it compute?

Q9. The neural network given bellow takes two binary valued inputs x1, x2 ϵ {0,1} and the activation function is the binary threshold function (h(z)=1 if z>0;0 otherwise). Which of the following logical functions does it compute?

Q10. Under which of the following situation would you expect overfitting to happen?

Answer: (b.) With training iterations error on training set decreases but test set increases

Disclaimer: Please keep in mind that these answers are intended to serve as a reference for students. Our website does not guarantee the accuracy of the answers provided. We encourage all students to complete their assignments independently and use these answers as a supplement to their own understanding.

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