What is the 80/20 rule? Explain its importance in model validation?
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When do you need to update the algorithm in data science?
Does the data scientist need to know programming?
You own a clothing enterprise and want to improve your place in the market. How will you do it from the ground level ?
Explain the role of activation function?
What is meant by lattice?
Write the code to reverse a Linked list.
Why we need ggplot?
Why do you want to work at this company as a data scientist?
Explain data cleansing?
A jar has 1000 coins, of which 999 are fair and 1 is double headed. Pick a coin at random, and toss it 10 times. Given that you see 10 heads, what is the probability that the next toss of that coin is also a head?
Explain eigenvalue and eigenvector
A test has a true positive rate of 100% and a false-positive rate of 5%. There is a population with a 1/1000 rate of having the condition the test identifies. Considering a positive test, what is the probability of having that condition?