499 interview questions for Data Scientist (2024)

16 votes1477 runs0 comment

14 votes797 runs0 comment

10 votes1155 runs0 comment

Théoat Mar 28, 2022

9 votes1459 runs0 comment

9 votes763 runs0 comment

machine learning

missing data

Martinat Apr 4, 2022

9 votes464 runs0 comment

machine learning

deep learning

Martinat Sep 19, 2022

8 votes1453 runs0 comment

8 votes1423 runs1 comment

7 votes1464 runs0 comment

7 votes1415 runs1 comment

7 votes554 runs0 comment

scikit-learn

logistic regression

6 votes1193 runs0 comment

Théoat Jan 23, 2023

6 votes681 runs0 comment

machine learning

missing data

Martinat Apr 4, 2022

5 votes1056 runs0 comment

Théoat Mar 28, 2022

5 votes716 runs0 comment

machine learning

Martinat Mar 15, 2022

5 votes487 runs0 comment

Martinat Mar 14, 2022

5 votes472 runs0 comment

neural network

Martinat Apr 4, 2022

5 votes364 runs0 comment

NLP (Natural language processing)

named entity recognition

5 votes338 runs0 comment

machine learning

Martinat Sep 19, 2022

4 votes1741 runs1 comment

Antoine Brennerat Dec 2, 2021

499 interview questionsfor Data Scientist (2024)

Test your technical skills before an interview of Data Scientist with 499 corrected questions. Beginner, Intermediate or Expert level.

499 interview questionsfor Data Scientist (2024)

Test your technical skills before an interview of Data Scientist with 499 corrected questions. Beginner, Intermediate or Expert level.

Write a SQL query to retrieve the list of employees with a salary greater than 5100.

Write a Python function that returns the factorial of a number.

Write a Python function that prints the elements of a list.

Select only distinct values in a column using SQL

How to handle missing data in a given training data set ?

What is the relation between Artificial intelligence (AI), machine learning and deep learning?

Which SQL keyword is used to sort the result of a SELECT statement?

Update a column in an SQL table

Write a SQL query to insert data into a table

Write the SQL query to delete a column from a table

What is the value of the decision threshold used with logistic regression in Scikit-learn?

Start a HTTP server from the CLI with python

How to handle missing data in a given training data set ?

Use the zip() function to iterate over two lists in parallel.

What is the missing word in the following sentence: Overfitting is the production of a model that corresponds too closely to the training data set and may therefore fail to fit other data sets and so fail to perform any reliable forecast.

What is the missing word in the following sentence: Overfitting is the production of a model that corresponds too closely to the training data set and may therefore fail to fit other data sets and so fail to perform any reliable forecast.

Given a neural network with 4 inputs, how many connections could exist between the input layer and the first hidden layer?

What does NER mean?

What are the different learning methods used for machine learning ?

Why is the output of the following code undefined? ``` def f(n): return n + 1 f(n) ```