Un-Answered Questions { Data Science }

What is meant by linear regression?

99


What do you understand by the selection bias?

93


What is machine learning? What is the difference between supervised and unsupervised methods?

92


How do you treat multicollinearity and heteroscedasticity in regression? Name some packages in r and python for building regression models.

118


What is logistic and linear regression?

110


How is bagging different from boosting?

105


What is an rdbms? Name some examples for rdbms? What is crud?

97


What is market basket analysis? How would you do it in r and python?

117


What is random forests?

121


How do you treat outlier data?

106


How would you say data science is similar or different to business analytics and business intelligence?

96


What is linear optimization?

84


How do you use sql in sas, python, r languages?

105


Name some packages in r and python for building regression models.

96


What is f test?

101