What is need of principal component analysis?
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Describe the data analysis process.
What is f test?
What is logistic and linear regression? How do you treat multicollinearity and heteroscedasticity in regression?
What are the time series algorithms?
Can you enumerate the various differences between supervised and unsupervised learning?
Why is data munging useful?
How will you deal with unbalanced data where the ratio of negative and positive is huge?
Explain the difference between sas, r and python programming?
Write the code to reverse a Linked list.
Can you explain data cleansing?
Explain the structure of artificial neural networks?
Given 2 vectors, how will you generate a sorted vector?