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30 interview questions on Python Machine Learningfor developers (2026)

Test your technical skills before an interview of Python Machine Learning with 30 corrected questions. Beginner, Intermediate or Expert level.

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Easy
12 votes1120 runs0 comment

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

Data Scientist
scikit-learn
threshold
logistic regression
Anonymous authorat Apr 6, 2022
Hard
5 votes1071 runs0 comment

How to get the size of an array in scikit-learn

Data Scientist
scikit-learn
numpy
array
Anonymous authorat Apr 6, 2022
Easy
4 votes1018 runs1 comment

Reshape a 2x4 array into a 2x2x2 array in scikit-learn

Data Scientist
scikit-learn
numpy
reshape
Anonymous authorat Jan 30, 2023
Easy
4 votes1016 runs0 comment

The choice of the centers of the initial clusters has no impact on the final result of the K-Means algorithm.

Data Scientist
scikit-learn
k-means
Anonymous authorat Apr 6, 2022
Easy
3 votes1055 runs
1 comment

Access the value located in the fifth row and the third column of df.

Data Scientist
scikit-learn
dataframe
indexing
Anonymous authorat Apr 6, 2022
Easy
3 votes956 runs0 comment

The Pandas library does not allow grouping of data as we can do with the Group By clause of the SQL language.

Data Scientist
scikit-learn
Anonymous authorat Apr 6, 2022
Easy
2 votes990 runs0 comment

Read the contents of the file.csv file by block (or by packet) of five lines.

Data Scientist
scikit-learn
pandas
read_csv
Anonymous authorat Apr 6, 2022
Medium
2 votes975 runs0 comment

What is the value of the n_support_ attribute of an instance of an SVM algorithm?

Data Scientist
scikit-learn
svm
Anonymous authorat Apr 6, 2022
Medium
2 votes962 runs0 comment

Print the data type of a numpy array

Data Scientist
scikit-learn
numpy
array
Anonymous authorat Apr 6, 2022
Easy
2 votes934 runs0 comment

Calculations on a numpy array are faster than on a Python list.

Data Scientist
scikit-learn
numpy
list
Anonymous authorat Apr 6, 2022
Hard
1 vote983 runs0 comment

How to get the size of a numpy array in scikit-learn

Data Scientist
scikit-learn
numpy
array
Anonymous authorat Mar 2, 2023
Easy
1 vote971 runs0 comment

Apply a function on the data of a column of a DataFrame type object from the pandas library.

Data Scientist
scikit-learn
pandas
dataframe
Anonymous authorat Apr 10, 2023
Easy
1 vote966 runs
1 comment

The fit method works the same when applied with an SVM as it does with any other Scikit-learn algorithm.

Data Scientist
scikit-learn
svm
Anonymous authorat Apr 6, 2022
Easy
1 vote898 runs0 comment

What does the melt method of a DataFrame type object from the pandas library achieve?

Data Scientist
scikit-learn
pandas
dataframe
Anonymous authorat Apr 6, 2022
Easy
1 vote687 runs1 comment

Access the values of the two columns ```Col1``` and ```Col2```

Data Scientist
scikit-learn
dataframe
pandas
Anonymous authorat Feb 6, 2024
Easy
1 vote357 runs1 comment

Create an instance of a logistic regression algorithm in Scikit-learn

Data Scientist
scikit-learn
logistic regression
Anonymous authorat Apr 6, 2022
Medium
1 vote335 runs0 comment

What does the cluster_centers_ attribute of an instance of KMeans mean?

Data Scientist
scikit-learn
kmeans
Anonymous authorat Apr 6, 2022
Easy
1 vote327 runs0 comment

When to use the K-Means algorithm in scikit-learn?

Data Scientist
scikit-learn
clustering
Anonymous authorat Apr 6, 2022
Easy
0 vote1095 runs
1 comment

Compare the memory usage of a list and a numpy array in Python

Data Scientist
scikit-learn
numpy
list
Anonymous authorat Apr 6, 2022
Easy
0 vote1007 runs
2 comments

How to create an MLP in Scikit-learn

Data Scientist
scikit-learn
classifiers
Anonymous authorat Apr 6, 2022