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151 questions
Easy
7 votes
737 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
Easy
7 votes
700 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
610 runs
1 comment
What type of data is PCA (principal component analysis) applied to?
Data Scientist
data
machine learning
at Apr 6, 2022
Easy
3 votes
683 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
3 votes
681 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
657 runs
0 comment
In the context of NLP, what is the role of the Stemming method?
Data Scientist
nlp
stemming
at Apr 6, 2022
Hard
3 votes
574 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
2 votes
711 runs
0 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
664 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
Medium
2 votes
639 runs
0 comment
Print the data type of a numpy array
Data Scientist
scikit-learn
numpy
array
at Apr 6, 2022
Easy
2 votes
637 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
591 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
2 votes
573 runs
0 comment
What is the role of assembly function in an artificial neuron?
Data Scientist
neural network
activation function
at Apr 6, 2022
Medium
2 votes
551 runs
0 comment
What is the definition interval of the silhouette coefficient?
Data Scientist
machine learning
clustering
at Apr 6, 2022
Easy
1 vote
675 runs
1 comment
How to create an MLP in Scikit-learn
Data Scientist
scikit-learn
classifiers
at Apr 6, 2022
Hard
1 vote
654 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
650 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
Easy
1 vote
644 runs
0 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
at Apr 6, 2022
Medium
1 vote
643 runs
0 comment
What is the value of the n_support_ attribute of an instance of an SVM algorithm?
Data Scientist
scikit-learn
svm
at Apr 6, 2022
Easy
1 vote
615 runs
0 comment
In an MLP(multilayer perceptron), the output layer necessarily has a single neuron.
Data Scientist
neural networks
multilayer perceptron
at Apr 6, 2022
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