Un-Answered Questions { Software }

What is advantage of using apply family of functions in r? How do you use lambda in python?

104


What is column storage? What is a document database?

126


What is association analysis? Where is it used?

99


How do you use goal seek in excel?

105


What is chi square test?

106


What is churn?

111


Where is association analysis used?

113


How do you handle missing values in python or r?

97


What is a document database?

173


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

116


Why do you need a for loop? How do you do for loops in python and r?

117


What is random forests and how is it different from decision trees?

89


What is a z test?

115


Why do you need a for loop?

104


How would churn help predict and control churn for a customer?

91