What is difference between sas, r and python programming?
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Write the code to sort an array in numpy by the nth column?
How do data scientists use statistics?
How will you fix multi-colinearity in a regression model?
Describe the various steps involved while carrying out an analytical project?
Can you write the formula to calculate r-square?
Write a function to check whether a particular word is a palindrome or not.
You have a bag with 6 marbles. One marble is white. You reach the bag 100 times. After taking out a marble, it is placed back in the bag. What is the probability of drawing a white marble at least once?
What is an example of a data set with a non-gaussian distribution?
Explain eigenvalue and eigenvector
Can you explain cross-validation?
Which database is best for data science?
How would add new Facebook members to the database of members, and code their relationships to others in the database?