What is logistic and linear regression? How do you treat multicollinearity and heteroscedasticity in regression?
84Define a sql query? What is the difference between select and update query? How do you use sql in sas, python, r languages?
99Post New Data Science Questions
Explain k-mean?
What are you employed pip?
How will you drop variables using indices in a data frame?
What do you understand by Ordinary Least Squares Linear Regression?
Explain data wrangling?
A test has a true positive rate of 100% and false positive rate of 5%. There is a population with a 1/1000 rate of having the condition the test identifies. Considering a positive test, what is the probability of having that condition?
How is data science different from data analytics?
How and by what methods data visualizations can be effectively used?
What are an eigenvalue and eigenvector?
What will you do if removing missing values from a dataset cause bias?
Can you explain data munging or data wrangling?
Can you explain data preparation?
How many big Macs does McDonald sell every year in US?
What is column storage? What is a document database?
Define convex hull?
