Question 1

Type 1 and Type 2 error ?

Question

What’s the difference between Type I and Type II error?

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Machine Learning 55 years 1 Answer 732 views Contributor

Question 2

Please explain Fourier transformation in layman’s term

Question

What’s a Fourier transform?

in progress 0

Machine Learning 55 years 1 Answer 896 views Contributor

Question 3

Generative and discriminative model?

Question

What’s the difference between a generative and discriminative model?

in progress 0

Machine Learning 55 years 1 Answer 740 views Contributor

Question 4

What is inductive Machine Learning ?

Question

what is inductive machine learning ?

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Machine Learning 55 years 0 Answers 907 views Contributor

Question 5

What is a trigger?

Question

Inculcate an example along

in progress 0

SQL 55 years 4 Answers 1115 views Great Grand Master

Question 6

What is the difference between Cluster and Non-Cluster Index?

Question

Explain in layman terms

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SQL 55 years 0 Answers 968 views Great Grand Master

Question 7

What are different types of UDF in SQL?

Question

In SQL

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SQL 55 years 0 Answers 1106 views Great Grand Master

Question 8

What is a docstring?

Question

Give an example.

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Python 55 years 0 Answers 921 views Great Grand Master

Question 9

What does the function zip() do?

Question

Explain with a code.

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Python 55 years 0 Answers 933 views Great Grand Master

Question 10

DML

Question

What is a Data Manipulation Language?

in progress 0

SQL 55 years 1 Answer 1253 views Contributor

Question 11

What to do if one of my column with integer value is having more than 30% missing values ?

Question

Should I remove all the rows ?

in progress 0

Statistics 55 years 5 Answers 1519 views Contributor

Question 12

Probability and likelihood?

Question

What’s the difference between probability and likelihood?

in progress 0

Machine Learning 55 years 1 Answer 868 views Contributor

Question 13

Basic Knowledge

Question

What’s the difference between a generative and discriminative model?

in progress 0

Machine Learning 55 years 2 Answers 739 views Contributor

Question 14

What’s the F1 score?

Question

How would you use it?

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Machine Learning 55 years 5 Answers 1060 views Contributor

Question 15

How would you handle an imbalanced dataset?

Question

Explain Tactics to get over the humps

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Machine Learning 55 years 1 Answer 893 views Contributor

Question 16

Where to use ensemble techniques?

Question

Name an example where ensemble techniques might be useful.

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Machine Learning 55 years 1 Answer 862 views Contributor

Question 17

How do you ensure you’re not overfitting with a model?

Question

Explain methods to avoid overfitting

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Machine Learning 55 years 4 Answers 2218 views Contributor

Question 18

How would you evaluate a logistic regression model?

Question

What are the different methods ?

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Machine Learning 55 years 4 Answers 1243 views Contributor

Question 19

Kernel method

Question

What’s the “kernel trick” and how is it useful?

in progress 0

Machine Learning 55 years 1 Answer 847 views Contributor

Question 20

Handling Missing Data

Question

How do you handle missing or corrupted data in a dataset?

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Machine Learning 55 years 0 Answers 735 views Contributor

Question 21

Difference between linked list and array

Question

What are some differences between a linked list and an array?

in progress 0

Machine Learning 55 years 1 Answer 779 views Contributor

Question 22

Hash table.

Question

Describe a hash table.

in progress 0

Machine Learning 55 years 1 Answer 825 views Contributor

Question 23

Data visualization

Question

Which data visualization libraries do you use? What are your thoughts on the best data visualization tools?

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Machine Learning 55 years 0 Answers 851 views Contributor

Question 24

Machine Learning paper

Question

What are the last machine learning papers you’ve read

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Machine Learning 55 years 0 Answers 769 views Contributor

Question 25

How would you approach the “Netflix Prize” competition?

Question

Is there anyone who has attempted this problem ?

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Machine Learning 55 years 1 Answer 823 views Contributor

Question 26

Use cases of Machine Learning

Question

What are your favorite use cases of machine learning models?

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Machine Learning 55 years 0 Answers 717 views Contributor

Question 27

How google train self-driving cars?

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How do you think Google is training data for self-driving cars?

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Machine Learning 55 years 2 Answers 1132 views Contributor

Question 28

Data Science | dataset

Question

Where do you usually source datasets?

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Machine Learning 55 years 0 Answers 820 views Contributor

Question 29

Data Science | AlphaGo

Question

How would you simulate the approach AlphaGo took to beat Lee Sidol at Go?

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Machine Learning 55 years 0 Answers 813 views Contributor

Question 30

Case Study – Memory constraint problem

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You are given a train data set having 1000 columns and 1 million rows. The data set is based on a classification problem. Your manager has asked you to reduce the dimension of this data so that model computation time ...

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Case Study 55 years 0 Answers 928 views Contributor

Question 31

Data Science Algorithm Interview Question

Question

You are assigned a new project which involves helping a food delivery company save more money. The problem is, company’s delivery team aren’t able to deliver food on time. As a result, their customers get unhappy. And, to keep them happy, they ...

0

Machine Learning 55 years 0 Answers 729 views Contributor

Question 32

Should CSR activity be neccasory for every organization

Question

According to the current scenario and government policies we have seen that CSR activities are a must and obligation for an organization to do? do you agree with organizations that are not able to meet the profit should get involved ...

0

Interview Question 55 years 0 Answers 1085 views Newbie

Question 33

What is the difference between DELETE and TRUNCATE commands?

Question

Try to be specific

in progress 1

SQL 55 years 2 Answers 1245 views Great Grand Master

Question 34

I have 10 independent variable, how to identify the important variable for my Linear regression model ?

Question

Is p-value the only way to identify the important variable?

in progress 0

Machine Learning 55 years 3 Answers 1191 views Contributor

Question 35

What is the difference between AIC and BIC while building ARIMA model ?

Question

Please explain with any suitable example

in progress 0

Machine Learning 55 years 1 Answer 738 views Contributor

Question 36

SQL output interview question

Question

There are two tables X and Y and each have one column X Y 1 1 1 1 1 1 1 1 How many rows will be populated if we do a - right join - left join - cross join - inner ...

in progress 3

SQL 55 years 2 Answers 1657 views Contributor

Question 37

What is ADF test while checking Time series data ?

Question

Why do we actually do ADF test?

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Machine Learning 55 years 0 Answers 771 views Contributor

Question 38

Is rotation necessary in PCA? If yes, Why?

Question

Is rotation necessary in PCA? If yes, Why? What will happen if you don’t rotate the components?

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Machine Learning 55 years 0 Answers 792 views Contributor

Question 39

Missing value treatment with Median

Question

You are given a data set. The data set has missing values which spread along 1 standard deviation from the median. What percentage of data would remain unaffected? Why?

in progress 2

Machine Learning 55 years 1 Answer 810 views Contributor

Question 40

Why my high accuracy model is not fit for application?

Question

You are given a data set on cancer detection. You’ve build a classification model and achieved an accuracy of 96%. Why shouldn’t you be happy with your model performance? What can you do about it?

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Machine Learning 55 years 0 Answers 686 views Contributor

Question 41

Why is naive bias so ‘naive’?

Question

Please explain the naive-ness of the model

in progress 0

Machine Learning 55 years 1 Answer 799 views Contributor

Question 42

Time series regression model got higher accuracy than the decision tree model

Question

You are working on a time series data set. You manager has asked you to build a high accuracy model. You start with the decision tree algorithm, since you know it works fairly well on all kinds of data. Later, ...

in progress 0

Machine Learning 55 years 0 Answers 1030 views Contributor

Question 43

Low Bias high variance

Question

You came to know that your model is suffering from low bias and high variance. Which algorithm should you use to tackle it? Why?

in progress 0

Interview Question 55 years 3 Answers 1673 views Contributor

Question 44

Data Science Case Study

Question

You are assigned a new project which involves helping a food delivery company save more money. The problem is, company’s delivery team aren’t able to deliver food on time. As a result, their customers get unhappy. And, to keep them happy, they ...

0

Machine Learning 55 years 0 Answers 894 views Contributor

Question 45

Data Science Interview Question | PCA

Question

You are given a data set. The data set contains many variables, some of which are highly correlated and you know about it. Your manager has asked you to run PCA. Would you remove correlated variables first? Why?

1

Interview Question 55 years 0 Answers 1107 views Contributor

Question 46

Case Study | Flipkart Interview Question

Question

McDonald's wants to open its first franchise in Singapore. As a Project Manager what all things you need to look into before stepping foot in Singapore? Think of all the factors. Hint - Talk about Law and Order, Leasing amount, Escape plan, ...

2

Case Study 55 years 0 Answers 2887 views Grand Master

Question 47

Time Series Question 3 | ARIMA | Noon.com Interview question

Question

What is Auto Regression? Please explain it in the simplest possible way

in progress 0

Machine Learning 55 years 1 Answer 921 views Grand Master

Question 48

Time Series Question 2 | ARIMA | Noon.com Interview question

Question

What is the difference between cyclicity and seasonality?

in progress 0

Machine Learning 55 years 1 Answer 879 views Grand Master

Question 49

Time Series Question | ARIMA | Noon.com Interview question

Question

What are the three components of time series data?

in progress 1

Machine Learning 55 years 3 Answers 874 views Grand Master

Question 50

Output Question | Interview Question in R | Myntra Interview Question

Question

What will be the output of the print(str*3) if str=”TheDataMonk”?

in progress 0

R 55 years 2 Answers 959 views Grand Master

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