Create id variable in sas

    • How do I use a macro variable in the SAS data step?

      Most everyone who programs the SAS DATA step is familiar with the %LET statement: %let Name=William; where the macro variable &Name is created by the %LET statement with the value ‘William’. You can then use this macro variable whenever you need to access its content in your program.

    • How do I add an index to a data set in SAS?

      Data Step. You can build an index for a new data set by using the INDEX= data set option in the DATA statement. Here is the general format: DATA data-set-name(INDEX=(varlist / <UNIQUE><NOMISS> <UPDATECENTILES= ALWAYS | NEVER | integer>)); In the form above, data-set-name is the name of the new SAS data set .

    • How do you process observations in SAS data?

      The DATA statement creates two temporary SAS data sets: UNIQUE and DUPS. The SET statement reads observations from data set TEST. The BY statement tells SAS to process observations by ID. Variables FIRST.ID and LAST.ID are created. The IF-THEN statement outputs observations where both FID and LID do not equal 1 to data set DUPS.

    • How do I get duplicates from a SAS data set?

      Use the DUPOUT= option with NODUPKEY (or NODUPREC) to output duplicates to the specified SAS data set: proc sort data=test nodupkey dupout=dups; by id; run; Observations in data set TEST are sorted by ID in ascending order. The NODUPKEY option deletes any obser-vations with duplicate BY values from data set TEST.

    • [PDF File]Calculating Lags and Leads in SAS

      https://info.5y1.org/create-id-variable-in-sas_1_916187.html

      Calculating Leads (and Lags) in SAS ... The design is to reverse sort the dataset on the key variables and then create lead variables using the lag() function. Then reverse sort again to get the original dataset, but now containing the lead ... of the dataset with the open() function can be used to pull in the id variable and then data-set if-then

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    • [PDF File]050-2007: Changing Data Set Variables into ... - SAS Support

      https://info.5y1.org/create-id-variable-in-sas_1_0cc0a2.html

      The first new line uses the OPEN function and the %SYSFUNC to assign a number to the macro variable &id which the SAS system uniquely associates with the data set sashelp.class. On the second new line, &id along with the

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    • [PDF File]Five Ways to Create Macro Variables: A Short ... - SAS Support

      https://info.5y1.org/create-id-variable-in-sas_1_61b314.html

      One of the easiest ways to define a macro variable is through the %LET statement. (Macro language statements always start with a %). This statement works much like an assignment statement in the DATA step. The %LET statement is followed by the macro variable name, an equal sign (=), and then the text value to be assigned to the macro variable.

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    • [PDF File]123-29: Creating and Exploiting SAS Indexes

      https://info.5y1.org/create-id-variable-in-sas_1_1244e2.html

      create and exploit SAS indexes. ... SAS variable is called a Simple index. ... Patient ID, and Part Number are usually discriminant. The more discriminant a variable is, the better it will be at returning a small subset of observations from a large SAS data set if it becomes an

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    • [PDF File]Creating Time ID Variables

      https://info.5y1.org/create-id-variable-in-sas_1_8b41a4.html

      In these cases, you can use the Forecasting System’s Create Time ID features to compute a time ID variable with SAS date values from the existing dating variables. As an example of this, you will use the SAS data set read in by the following SAS statements: data id_parts; input yr qtr y; datalines; 91 1 10 91 2 15 91 3 20 91 4 25 92 1 30 92 2 ...

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    • [DOC File]Homework #4 PH5420

      https://info.5y1.org/create-id-variable-in-sas_1_10ce2d.html

      Create a SAS dataset that reads in the data. Call the variables . id, dob, admit, dischrg, and fee. Read in . id. as a character variable. You may type the data within the program or read it in from the data file . hosp.csv . on the class website. Note: To input the date variables you will need to use colon modifiers on the input statement (See ...

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    • MDR DMIS ID Table – 8 November 2005

      Jul 13, 2020 · To help avoid the need to modify other processors that use the format file, if a variable no longer exists on the DMIS ID Index Table SAS data set, its position in the format file will be filled with blanks. This will keep the remaining variables …

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    • [DOC File]EXTRACTING CASES WITH A GIVEN STRING FROM SAS

      https://info.5y1.org/create-id-variable-in-sas_1_c261fd.html

      The ID statement tells SAS to compare rows (observations) in the data set by the identifying variable, which here is named SUBJCTID. This variable must have a unique value for each case. PROC COMPARE features a number of options, many of which are designed to control the amount and type of information displayed in the listing file.

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    • [DOC File]CHAPTER 3

      https://info.5y1.org/create-id-variable-in-sas_1_e33269.html

      In the above example the “1.” following ID tells SAS that the field ID is numeric and has a width of 1. SBP and DBP have widths of 3. The “$1.” is a format telling SAS that SEX is a character variable of width 1. The format specifications in the INPUT statement are called “informats.” Example SAS informats are:

      create new variable in sas

    • [DOC File]Working With SAS Formats Catalogs

      https://info.5y1.org/create-id-variable-in-sas_1_52fd4b.html

      User-defined formats allow you to attach labels to the values for a variable so that the output from SAS procedures is more readable. For example, if sex is a numeric variable coded as 1 for males and 2 for females, the user-defined format can be set up so that the values "male" and "female" are printed in SAS output, rather than 1 and 2.

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    • [DOCX File]USING PROC_CODEBOOK.SAS - SAS Support Communities

      https://info.5y1.org/create-id-variable-in-sas_1_6e20c3.html

      Apr 27, 2010 · Create a simple two variable file called work.order before you call the macro. The first variable is NAME, a 32 character field with your variable name in UPPER CASE. The second variable is ORDER, a numeric field with the order you want the variables to print. An example data step creating a work.order data set is shown below.

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    • [DOC File]MERGE Statement - CoAS

      https://info.5y1.org/create-id-variable-in-sas_1_a57009.html

      When two or more SAS data sets have the same variables, the values of the last SAS data set in the merge statement will over write the early data set, and get into the output SAS data set. If over writing is not what you want, use RENAME data step option to rename one of the input data sets variable.

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