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What is logistic and linear regression? How do you treat multicollinearity and heteroscedasticity in regression?
313Define a sql query? What is the difference between select and update query? How do you use sql in sas, python, r languages?
385Post New Data Science Questions
What are essential skills and training needed in data Science?
Why is it mandatory to clean a data set?
What is the advantage of performing dimensionality reduction before fitting an svm?
What is need of principal component analysis?
What is nosql? Name some examples of nosql databases. What is a key value store? What is column storage? What is a document database?
What is Survival Analysis?
Do gradient descent methods always converge to the same point?
How do you use sql in sas, python, r languages?
State the difference between a validation set and a test set?
How can I become a data scientist?
What is the procedure to check the cumulative frequency distribution of any categorical variable?
Write the code to reverse a Linked list.
When underfitting occurs in a static model?
What is a linear regression in data science?
Can you explain collaborative filtering?
