What exactly does a data scientist do?
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What is logistic and linear regression? How do you treat multicollinearity and heteroscedasticity in regression? Name some packages in r and python for building regression models.
What is the central limit theorem?
Which one you prefer R or Python for text analytics?
What is machine learning? What is the difference between supervised and unsupervised methods?
How can you compare a neural network that has one layer, one input and output to a logistic regression model?
You are given a training dataset of users that contain their demographic details, the pages on Facebook they have liked so far and results of psychology test based on their personality i.e. their openness to like FB pages or not. How will you predict the age, gender and other demographics of unseen data?
What is the role of the activation function?
Which objects are iterated in python?
What are the roles and responsibilities of a data scientist?
What is an rdbms? Name some examples for rdbms? What is crud?
Can you use a generator to create iterators?
What is an example of a data set with a non-gaussian distribution?
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