How will you overcome overfitting in predictive models?
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Suppose that American Express has 1 million card members along with their transaction details. They also have 10,000 restaurants and 1000 food coupons. Suggest a method which can be used to pass the food coupons to users given that some users have already received the food coupons so far.
How does data cleaning plays a vital role in analysis?
Explain unsupervised learning?
What are the different deep learning frameworks?
Write the formula to calculate r-square?
Describe the data analysis process.
What is need of principal component analysis?
What is normal distribution
Can you define convex hull?
What do you understand by l1 and l2 regularization methods?
Explain recommender systems?
Explain while working on a data set, how do you select important variables?