dev-python-web3
Quiz
•
Mathematics
•
University
•
Practice Problem
•
Medium
Julia Ponomareva
Used 22+ times
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7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Функция join в pandas объединяет по индексам?
Нет
Да
2.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Какой атрибут how стоял при объединение двух датафреймов с помощью merge по колонке col_1?
Left
Right
Outer
Inner
3.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
По умолчанию метод .drop() возвращает новый датафрейм и не изменяет исходный?
Нет
Да
4.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Каким методом можно посчитать частотность появления уникальных значений в датафрейме/серии?
count_values()
value_counts()
count_unique()
value_unique()
5.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Каким аргументом можно изменять исходный датафрейм, а не возвращать новый при использовании метода .drop()?
drop(keep=True)
drop(inplace=True)
drop(origin=True)
drop(new=False)
6.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Функция merge по умолчанию в pandas объединяет по индексам?
Нет
Да
7.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Какой атрибут how стоял при объединение двух датафреймов с помощью merge по колонке col_1?
Left
Right
Outer
Inner
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