Data Science Interview Questions
Questions Answers Views Company eMail

Discuss artificial neural networks

21

Is it possible to capture the correlation between continuous and categorical variable?

17

why do you need to perform resampling?

21




What is a random forest?

19

How to determine the number of clusters in k-means clustering algorithm?

19

Discuss linear regression?

22

Which is the best suitable language among python and r for text analytics?

21

Differentiate between supervised and unsupervised learning?

18




What do you understand by bias, variance trade-off?

15

Explain reinforcement learning.

23

What do you understand by l1 and l2 regularization methods?

22

What are the differences between data science, machine learning, and artificial intelligence?

18

What do you understand by clustering?

19

Differentiate between regression and classification algorithms?

20

Explain the decision tree algorithm?

14


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Un-Answered Questions { Data Science }

How will you decide whether a customer will buy a product today or not given the income of the customer, location where the customer lives, profession and gender? Define a machine learning algorithm for this.

26


How is a normal distribution different from chi square distribution?

41


Explain the differences between univariate, bivariate and multivariate analysis?

6


Explain the differences between bivariate and multivariate analysis?

15


Differentiate between univariate, bivariate and multivariate analysis?

16






What do you understand by the selection bias? What are its various types?

39


What do you understand by Poisson distribution?

19


What do you know about autoencoders?

28


What are the different performance metrics for evaluating Uber services?

18


How will you handle missing data ?

24


How many sorting algorithms are available?

21


What are outlier values and how do you treat them?

17


Explain while working on a data set, how do you select important variables?

13


What is the jupyter center ?

21


What is correlation in R?

28