Un-Answered Questions { Software }

What is linear optimization? Where is it used?

93


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.

111


What is cart and chaid? How is bagging different from boosting?

93


How is a normal distribution different from chi square distribution?

121


What is an outlier?

86


What is nosql? Name some examples of nosql databases. What is a key value store? What is column storage? What is a document database?

98


What is cart and chaid?

110


Define a sql query?

100


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

119


What are apis used for?

93


Which package is used to do data import in r and python?

114


What is the central limit theorem? How is a normal distribution different from chi square distribution?

130


What is missing value imputation? How do you handle missing values in python or r?

134


What is the difference between select and update query?

99


What is association analysis?

100