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151 questions
Easy
9 votes867 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
Easy
7 votes826 runs0 comment

How is the error calculated during back propagation in a neural network?

Data Scientist
neural network
back propagation
Anonymous authorat Apr 6, 2022
Easy
4 votes797 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
4 votes776 runs0 comment

In the context of NLP, what is the role of the Stemming method?

Data Scientist
nlp
stemming
Anonymous authorat Apr 6, 2022
Easy
4 votes719 runs1 comment

What type of data is PCA (principal component analysis) applied to?

Data Scientist
data
machine learning
Anonymous authorat Apr 6, 2022
Hard
4 votes682 runs0 comment

How are the layers of an MLP type neural network connected to each other?

Data Scientist
neural networks
linear
Anonymous authorat Apr 6, 2022
Easy
3 votes798 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
3 votes700 runs0 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
Anonymous authorat Apr 6, 2022
Easy
2 votes831 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
2 votes778 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 votes751 runs0 comment

Print the data type of a numpy array

Data Scientist
scikit-learn
numpy
array
Anonymous authorat Apr 6, 2022
Easy
2 votes749 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 votes734 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
Easy
2 votes725 runs0 comment

In an MLP(multilayer perceptron), the output layer necessarily has a single neuron.

Data Scientist
neural networks
multilayer perceptron
Anonymous authorat Apr 6, 2022
Medium
2 votes677 runs0 comment

What is the role of assembly function in an artificial neuron?

Data Scientist
neural network
activation function
Anonymous authorat Apr 6, 2022
Medium
2 votes647 runs0 comment

What is the definition interval of the silhouette coefficient?

Data Scientist
machine learning
clustering
Anonymous authorat Apr 6, 2022
Easy
1 vote859 runs0 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
Medium
1 vote836 runs0 comment

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

Data Scientist
scikit-learn
numpy
array
Anonymous authorat Apr 6, 2022
Hard
1 vote769 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 vote761 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