Explain how to merge data frames in R?
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Can you explain data cleansing?
Define a sql query? How do you use sql in sas, python, r languages?
What prior subject is required to become data analyst?
Explain the two main components of the hadoop framework?
How do you define data science?
Explain data cleansing?
What are the applications of data science?
Give some situations where you will use an SVM over a RandomForest Machine Learning algorithm and vice-versa?
How do you overcome challenges to your findings?
Why data science and data scientists are needed?
Explain the difference between data science, machine learning and artificial intelligence?
Can you provide an example of features extraction?
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