
SAS Base 1
Quiz
•
Computers, Science
•
University
•
Practice Problem
•
Medium
Никита Борзунов
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько разновидностей ключевых блоков в SAS BASE?
1
3
2
4
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Необходимо объединить два набора на шаге DATA - какой оператор использовать?
PROC APPEND
Set Table_1
Set Table_1 Table_2;
Set Table_1; Set Table_2;
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
За одну итерацию внутреннего цикла DATA STEP нужно вывести несколько строк в таблицу - каким способом?
Input
Output
Enter
Set
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Необходимо создать переменую длиной 5 символов - как это можно сделать?
a = '12345';
Length a 5;
a = $5;
Length a $5;
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Необходимо оказаться в таком же календарном дне при перемещении на один год назад.
intnx('year+1', today, 'b')
intnx('week', today()- 1,'s')
intnx('year', today(), -1, 's')
intnx('year', today(), 1, 's')
6.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
"ДЗЮБА_ГОЛОВИН_ФЕРНАНДЕС" - каким образом можно извлечь подстроку ФЕРНАНДЕС
scan(string, 1, '/')
scan(string, 3, '_')
substr(string, 3, '_')
scan(string, -1, '_')
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какое предложение накладывает условие на агрегатные значения?
SELECT
WHERE
HAVING
GROUP BY
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