What kind of product you want to build at LinkedIn?
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Can you explain collaborative filtering?
why is data cleaning important for analysis?
What do you understand by parametric and non-parametric methods? Explain with examples.
What is logistic and linear regression? How do you treat multicollinearity and heteroscedasticity in regression? Name some packages in r and python for building regression models.
What do you understand by ensemble learning?
You created a predictive model of a quantitative outcome variable using multiple regressions. What are the steps you would follow to validate the model?
What are the roles and responsibilities of a data scientist?
Which plot will you use to access the uncertainty of a statistic?
What are the types of biases that can occur during sampling?
Explain interpolation and extrapolation?
How can you build and test a metric to compare ranked list of TV shows or Movies for two Netflix users?
What is an api? What are apis used for?
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