What is logistic and linear regression?
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Explain about string parsing in R language
Explain the differences between univariate and bivariate analysis?
What makes the difference between “long” and “wide” format data?
You have two sorted array of integers, write a program to find a number from each array such that the sum of the two numbers is closest to an integer i.
A stranger uses a search engine to find something and you do not know anything about the person. How will you design an algorithm to determine what the stranger is looking for just after he/she types few characters in the search box?
You can roll a dice three times. You will be given $X where X is the highest roll you get. You can choose to stop rolling at any time (example, if you roll a 6 on the first roll, you can stop). What is your expected pay-out?
Can you provide examples for other computations in spark?
Why is resampling done?
Explain the difference between a validation set and a test set?
Discuss artificial neural networks
For linear regression, what are some of the assumptions a data scientist is most likely to make?
What are the different deep learning frameworks?