471 interview questions for Blockchain Expert (2024)

22 votes1972 runs0 comment

12 votes1901 runs1 comment

10 votes1947 runs0 comment

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machine learning

missing data

Martinat Apr 4, 2022

10 votes416 runs0 comment

virtual machine

Maximeat Nov 7, 2022

9 votes507 runs0 comment

machine learning

deep learning

Martinat Sep 19, 2022

8 votes1956 runs0 comment

8 votes1940 runs0 comment

8 votes1899 runs4 comments

7 votes1855 runs0 comment

7 votes777 runs0 comment

machine learning

missing data

Martinat Apr 4, 2022

7 votes657 runs0 comment

scikit-learn

logistic regression

6 votes729 runs1 comment

6 votes659 runs0 comment

neural network

back propagation

6 votes418 runs0 comment

NLP (Natural language processing)

named entity recognition

5 votes1934 runs0 comment

5 votes1515 runs1 comment

5 votes843 runs0 comment

hyperparameters

Martinat Mar 15, 2022

5 votes814 runs0 comment

machine learning

Martinat Mar 15, 2022

5 votes531 runs0 comment

Martinat Mar 14, 2022

471 interview questionsfor Blockchain Expert (2024)

Test your technical skills before an interview of Blockchain Expert with 471 corrected questions. Beginner, Intermediate or Expert level.

471 interview questionsfor Blockchain Expert (2024)

Test your technical skills before an interview of Blockchain Expert with 471 corrected questions. Beginner, Intermediate or Expert level.

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

Update a column in an SQL table

Select only distinct values in a column using SQL

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

What does EVM stand for?

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

Write a SQL query to insert data into a table

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

Write the SQL query to delete a column from a table

Write a SQL query to retrieve the products with a price less than 1000 and sort the results in descending order of price.

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?

Write a SQL query to retrieve the titles of books written by 'John Smith'.

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

What does NER mean?

How to delete an SQL table?

Write a SQL query to retrieve employees with a salary higher than the average salary.

The validation set is used to provide frequent and unbiased evaluations of the model’s fit on the training set while tuning its hyperparameters/parameters: in other words,the model is found and then tested on the validation set before to be improved once again.

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.

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.