Data Science Interview Questions

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What is logistic and linear regression? Name some packages in r and python for building regression models.

19Post New Data Science Questions

Un-Answered Questions { Data Science }

What is machine learning? What is the difference between supervised and unsupervised methods?

Describe univariate, bivariate and multivariate analysis?

Explain how to write a table to a file?

How do you build a custom function in python or r?

Discuss decision tree algorithm?

Pick up a coin C1 given C1+C2 with probability of trials p (h1) =.7, p (h2) =.6 and doing 10 trials. And what is the probability that the given coin you picked is C1 given you have 7 heads and 3 tails?

What devices or tools help you most as a data scientist?

Name Methods to Calculate Distance Measure?

Print the elements of a matrix in zig-zag manner.

What is advantage of using apply family of functions in r?

What is an example of a data set with a non-gaussian distribution?

Explain how to define the number of clusters in a clustering algorithm?

Explain the role of activation function?

What is cluster sampling?

What is the job description for a data scientist?