Could you explain how to define the number of clusters in a clustering algorithm?
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What is an rdbms? Name some examples for rdbms? What is crud?
Pick up a coin C1 given C1+C2 with probability of trials p (h1) =.7, p (h2) =.6 and doing 10 trials. And what is the probability that the given coin you picked is C1 given you have 7 heads and 3 tails?
What do you understand by the selection bias? What are its various types?
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.
What cross validation technique would you use on time series data set? Is it k-fold or loocv?
Explain the difference between data science, machine learning and artificial intelligence?
How do you treat colinearity?
Explain Examples of Data Science?
How is bagging different from boosting?
Define the term deep learning?
Implement a sorting algorithm for a numerical dataset in Python.
What are applications of ggplot2?
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