What is logistic and linear regression? How do you treat multicollinearity and heteroscedasticity in regression?
255Define a sql query? What is the difference between select and update query? How do you use sql in sas, python, r languages?
320Post New Data Science Questions
What do you know about autoencoders?
What are feature vectors?
Explain about the box cox transformation in regression models?
Describe univariate, bivariate and multivariate analysis?
What is selection bias and why does it matter?
Do you prefer python or r for text analytics?
Explain recommender systems?
Please explain the goal of a/b testing.
What devices or tools help you most as a data scientist?
Case Study based questions - Cars are implanted with speed tracker so that the insurance companies can track about our driving state. Based on this new scheme what kind of business questions can be answered?
How would churn help predict and control churn for a customer?
How long does it take to become a data scientist?
Which one you prefer R or Python for text analytics?
Define the term deep learning?
What do you understand by type I vs type ii error?