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I have a string “contact@dezyre.com”. Which string function can be used to split the string into two different strings “contact@dezyre” and “com” ?
334A test has a true positive rate of 100% and false positive rate of 5%. There is a population with a 1/1000 rate of having the condition the test identifies. Considering a positive test, what is the probability of having that condition?
517Post New Data Science Questions
Please explain the goal of a/b testing.
What is an api? What are apis used for?
How do you treat multicollinearity and heteroscedasticity in regression? Name some packages in r and python for building regression models.
Do we have different selection biases, if yes, what are they?
Explain the steps for a data analytics project
What is data scientist?
Name some kinds of graphs and explain how you would build them in python or r.
Can you define analytics?
What is a C ++ iterator?
You own a clothing enterprise and want to improve your place in the market. How will you do it from the ground level ?
What is a document database?
Explain Examples of Data Science?
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 the correlation in r?
What is cart and chaid? How is bagging different from boosting?
