Explain how to merge the files into a single dataframe?
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Differentiate between skewed and uniform distribution?
What is the advantage of performing dimensionality reduction before fitting an svm?
How is data modeling different from database design?
Explain box cox transformation?
How is random forests different from decision trees?
Differentiate between univariate, bivariate and multivariate analysis?
What are eigenvectors and eigenvalues?
How would you say data science is similar or different to business analytics and business intelligence?
Which one you prefer R or Python for text analytics?
What is the aim of a/b testing?
What is advantage of using apply family of functions in r?
What are numpy, scipy, and spark essential datatypes?