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151 questions
1
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8
Easy
9 votes
812 runs
0 comment
What is the value of the decision threshold used with logistic regression in Scikit-learn?
Data Scientist
scikit-learn
threshold
logistic regression
at Apr 6, 2022
Medium
2 votes
599 runs
0 comment
What is the definition interval of the silhouette coefficient?
Data Scientist
machine learning
clustering
at Apr 6, 2022
Hard
2 votes
625 runs
0 comment
What is the role of assembly function in an artificial neuron?
Data Scientist
neural network
activation function
at Apr 6, 2022
Easy
2 votes
649 runs
0 comment
SVMs seek to find a hyperplane that maximizes the width of the separating band between data of different classes.
Data Scientist
machine learning
svm
at Apr 6, 2022
Hard
3 votes
628 runs
0 comment
How are the layers of an MLP type neural network connected to each other?
Data Scientist
neural networks
linear
at Apr 6, 2022
Easy
3 votes
720 runs
0 comment
In the context of NLP, what is the role of the Stemming method?
Data Scientist
nlp
stemming
at Apr 6, 2022
Easy
4 votes
667 runs
1 comment
What type of data is PCA (principal component analysis) applied to?
Data Scientist
data
machine learning
at Apr 6, 2022
Easy
7 votes
768 runs
0 comment
How is the error calculated during back propagation in a neural network?
Data Scientist
neural network
back propagation
at Apr 6, 2022
Easy
4 votes
748 runs
0 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
at Apr 6, 2022
Easy
3 votes
748 runs
1 comment
Reshape a 2x4 array into a 2x2x2 array in scikit-learn
Data Scientist
scikit-learn
numpy
reshape
at Jan 30, 2023
Easy
2 votes
780 runs
1 comment
Access the value located in the fifth row and the third column of df.
Data Scientist
scikit-learn
dataframe
indexing
at Apr 6, 2022
Easy
2 votes
728 runs
0 comment
Read the contents of the file.csv file by block (or by packet) of five lines.
Data Scientist
scikit-learn
pandas
read_csv
at Apr 6, 2022
Easy
2 votes
704 runs
0 comment
Print the data type of a numpy array
Data Scientist
scikit-learn
numpy
array
at Apr 6, 2022
Easy
2 votes
701 runs
0 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
at Apr 6, 2022
Easy
2 votes
687 runs
0 comment
Calculations on a numpy array are faster than on a Python list.
Data Scientist
scikit-learn
numpy
list
at Apr 6, 2022
Easy
1 vote
804 runs
0 comment
Compare the memory usage of a list and a numpy array in Python
Data Scientist
scikit-learn
numpy
list
at Apr 6, 2022
Medium
1 vote
783 runs
0 comment
How to get the size of an array in scikit-learn
Data Scientist
scikit-learn
numpy
array
at Apr 6, 2022
Easy
1 vote
743 runs
1 comment
How to create an MLP in Scikit-learn
Data Scientist
scikit-learn
classifiers
at Apr 6, 2022
Medium
1 vote
721 runs
0 comment
How to get the size of a numpy array in scikit-learn
Data Scientist
scikit-learn
numpy
array
at Mar 2, 2023
Easy
1 vote
713 runs
0 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
at Apr 10, 2023
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