466 interview questions for Data Scientist (2023)

6 votes810 runs0 comment

4 votes797 runs0 comment

4 votes793 runs0 comment

4 votes778 runs1 comment

4 votes554 runs0 comment

Machine Learning

missing data

Martinat Apr 4, 2022

4 votes366 runs0 comment

Deep learning

machine learning

Martinat Sep 19, 2022

3 votes776 runs1 comment

3 votes728 runs0 comment

Théoat Mar 28, 2022

3 votes670 runs0 comment

Théoat Mar 28, 2022

3 votes525 runs0 comment

Machine Learning

Martinat Mar 15, 2022

3 votes492 runs0 comment

Machine Learning

missing data

Martinat Apr 4, 2022

3 votes398 runs0 comment

scikit-learn

logistic regression

3 votes388 runs0 comment

Deep learning

Martinat Mar 14, 2022

3 votes375 runs0 comment

Deep learning

neural network

Martinat Apr 4, 2022

3 votes339 runs0 comment

Nicolasat Sep 19, 2022

3 votes164 runs0 comment

Intelligence Artificielle

Martinat Mar 15, 2022

2 votes1564 runs0 comment

list comprehension

Antoine Brennerat Dec 2, 2021

2 votes1557 runs1 comment

Antoine Brennerat Dec 2, 2021

2 votes1551 runs0 comment

Antoine Brennerat Dec 2, 2021

2 votes1550 runs0 comment

Antoine Brennerat Dec 2, 2021

466 interview questionsfor Data Scientist (2023)

Test your technical skills before an interview of Data Scientist with 466 corrected questions. Beginner, Intermediate or Expert level.

466 interview questionsfor Data Scientist (2023)

Test your technical skills before an interview of Data Scientist with 466 corrected questions. Beginner, Intermediate or Expert level.

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

Select only distinct values in a column using SQL

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

Update a column in an SQL table

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

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

Write the SQL query to delete a column from a table

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

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.

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

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

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 type of constraint was violated?

Which code language is the most used to implement AI?

Write a Python function that returns a list of the first n numbers of the Fibonacci sequence.

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

What is the output of the following Python code? ``` G = '123' print(G + 1) ```

Write a Python program to open a file in binary mode and write a string to it.