Explain the differences between univariate, bivariate and multivariate analysis?
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What is the importance of selection bias?
Please explain the goal of a/b testing.
What are outlier values and how do you treat them?
Explain about the box cox transformation in regression models?
Why is data cleaning essential in data science?
What are apis used for?
What do you mean by cluster sampling and systematic sampling?
What do you understand by Linear Regression in R?
How many sorting algorithms are available?
Define feature vector?
How has your prior experience prepared you for a role in data science?
What makes the difference between “long” and “wide” format data?