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How is random forests different from decision trees?
What is the difference between “long” and “wide” format data?
What is random forests?
A dice is rolled twice, what is the probability that on the second chance it will be a 6?
Explain the difference between data science, machine learning and artificial intelligence?
Define a sql query? What is the difference between select and update query?
What is the travelling salesman problem?
Explain how to merge data frames in R?
A certain couple tells you that they have two children, at least one of which is a girl. What is the probability that they have two girls?
Why we need ggplot?
What do you understand by the job description of data scientist?
Give a large dataset, find the median.
Define naive bayes?
Explain data munging?
What is an rdbms? Name some examples for rdbms? What is crud?
