h****9
发帖数: 26 | 1 Item 1 of 63 Mark item for review
When attempting to minimize memory usage, the
most efficient way to do group processing when
using the MEANS procedure is to use:
A.
the BY statement.
B.
GROUPBY with the NOTSORTED specification.
C.
the CLASS statement.
D.
multiple WHERE statements.
Item 45 of 63 Mark item for review
To create a list of unique Customer_Id
values from the customer data set, which
of the following techniques can be used? |
d******d
发帖数: 1037 | |
h****9
发帖数: 26 | 3 非常感谢download的回复，但是advance 130中
101. The following SAS program is submitted:
data temp;
length a 1 b 3 x;
infile 'file reference';
input a b x;
run;
What is the result?
A.The data set TEMP is created, but variable X is not created.
B.The data set TEMP is created and variable X has a length of 8.
C.The data set TEMP is not created because variable A has an invalid length.
D.The data set TEMP is not created because variables A and B have invalid
lengths.
Answer: C
如果这个答案c 是对的，那么第２０题为什么不是c 呢？ |
d******d
发帖数: 1037 | 4 The default length for number variable is 2 or 3 (depends on OS); cannot be
1. |
h****9
发帖数: 26 | 5 Thank you very much for your answer on my question. |
