Which technique is used to predict categorical responses?
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What are outlier values and how do you treat them?
How would you create a taxonomy to identify key customer trends in unstructured data?
Can you define analytics?
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 are applications of ggplot2?
What is the good measure of influence of a Twitter user?
What are data science and analytic?
What packages are used for data mining in python and r?
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?
Can you use a generator to create iterators?
How can you generate a random number between 1 – 7 with only a die?
Explain the difference between data modeling and database design?