Clinical trials data is often comprised of date and time values, some of which may be missing values. The missing values need to be retained as such while also producing a datetime value. When the datetime is output with any desirable$N8601*format,the dashes indicate missing components. This ...
A Retain statement tells the SAS that it does not set the missing values assigned to the variables during each data step iteration. Instead, it will specify the variable names which sustain and retain the values of all the variables created in the Input or assignment statement. SAS sets the ...
What values does sas assign missing values Posted 03-03-2022 07:25 PM (742 views) Consider the following if and else if statements. What value of QuizRange will be assigned to a missing value of Quiz? if Quiz = 'A+' or Quiz = 'A' or Quiz = 'B+' or Quiz = 'B' then Qu...
NOMISS indicates whether no missing values are allowed (yes/blank). UNIQUE indicates only unique values (yes/blank). IXFIELDS contains the names of all columns that are part of the index. They are separated by commas and listed in column order. _SARELS Table The _SARELS table contains ...
2. The GTL templates are rendered using theSGRENDERprocedure, which specifies a data source that contains appropriate data values and the template to use for rendering the graph. 3. You can alsomodifypredefined GTL templates that the SAS System delivers for use on the SAS statistical procedures....
After you assign a libref, you specify it as the first element in the two-level name for a SAS file. Which time span is used to interpret two-digit year values if the YEARCUTOFF= option is set to 1950? a. 1950-2049 b. 1950-2050 c. 1949-2050 d. 1950-2000 Correct answer: a ...
• value is the value you assign for the maximum number of attached devices that you want the AIX software to be prepared to handle. Note: The default attached devices might be sufficient. This setting must never be less than the default, because you might not be able to reboot the ...
5、s c 4 observations 3 variables d cant tell because some values are missing correct c answer rows in the data set are called observations and columns are called variables missing values dont affect the structure of the data set 2 how many program steps are executed when the program below ...
Example 2 : Assign Name to Transposed Columns Suppose you want to have actual students' name instead of 'Student1 Student2 etc' in the variable names. You can use the ID statement to specify the variable whose values will become the column headers of the transposed dataset. proc transpose da...
Hierarchical Files 1 Chapter 1: Basic Concepts Answer Key 1. How many observations and variables does the data set below contain? a. 3 observations, 4 variables b. 3 observations, 3 variables c. 4 observations, 3 variables d. cant tell because some values are missing Correct c answer: ...