Sas character array

Arrays in the SAS language are different from those in many other languages. A SAS array is simply a convenient way of temporarily identifying a group of variables. It is not a data structure, and array-name is not a variable. An ARRAY statement defines an array. An array reference uses an array element in a program statement. ExamplesApr 20, 2016 · First off, make sure you're defining EDGE_GRP_SUM to a sufficient length.CATX will return missing if it's trying to create too long of a string for the output variable, and that's by default 200 I think in this context. May 23, 2020 · The SAS character functions can be helpful to work with the character data like finding substring of a string, splitting a large sentence into words, converting case of characters and there are a lot many. In this article, I have summarized most of the important SAS Character functions which can be useful to you while working with character data. Arrays in the SAS language are different from those in many other languages. A SAS array is simply a convenient way of temporarily identifying a group of variables. It is not a data structure, and array-name is not a variable. An ARRAY statement defines an array. An array reference uses an array element in a program statement. ExamplesDec 18, 2020 · Array Hashing in SAS With Character Key Values As usual with the Modulo Hashing approach, we begin by choosing a load factor. This is the portion of the array that will be filled. From this load factor, we calculate an appropriate prime. In the example above, SAS would automatically calculate the number of variables in array. 3. ARRAY ABC [*] X1-X10; Where the X1 variable contains the X1 value, X2 contains the X2 value, etc. 4. ARRAY ABC [*] $ X1-X10; If the variables are of character type then use $ sign before specifying list of variables.Dec 18, 2020 · In this post, we generalize the array hashing technique to handle character keys. The best way to do so is to map the character key to a numeric integer using the Pib6 Informat. We compare an example lookup to the regular SAS hash object with little difference in run time. The conclusion here is probably to use array hashing only when strictly ... May 23, 2020 · The SAS character functions can be helpful to work with the character data like finding substring of a string, splitting a large sentence into words, converting case of characters and there are a lot many. In this article, I have summarized most of the important SAS Character functions which can be useful to you while working with character data. The SAS ARRAY statement consists of the keyword ARRAY followed by the name of the array: ARRAY array-name [ ]; The SAS array name can be followed by either a pair of parentheses ( ), braces { }, or square brackets [ ]. By specifying a value inside the bracket, we can assign the same number of variables to the array.A SAS array is simply a convenient way of temporarily identifying a group of variables. It is not a data structure, and array-name is not a variable. An ARRAY statement defines an array. An array reference uses an array element in a program statement. das pass universal You can specify character variables and their lengths in ARRAY statements. The following example groups variables into two arrays, NAMES and CAPITALS. The dollar sign ($) tells SAS to create the elements as character variables. If the variables have already been declared as character variables, a dollar sign in the array is not necessary.In the example above, SAS would automatically calculate the number of variables in array. 3. ARRAY ABC [*] X1-X10; Where the X1 variable contains the X1 value, X2 contains the X2 value, etc. 4. ARRAY ABC [*] $ X1-X10; If the variables are of character type then use $ sign before specifying list of variables.The Coalesce(c) Function returns the first non-missing value from a list of numeric/character values. Below, I set up two SAS arrays. One with all the numeric variables and one with all the character variables. Next, I use the Coalesce and CoalesceC Functions to find the first non missing value in both of the arrays.Feb 16, 2016 · Yes, an array solves this issue. You will want a simple way to list the variables so look into SAS variable lists as well. For example if your converting all character variables between first and last you could list them as first_var-character-last_var. The rename/drop are illustrated in other questions across SO. Jan 24, 2019 · Variables that are not previously defined as character variables will default to numeric variables unless they are defined as character variables within the ARRAY stat ement. To define character variables within the ARRAY statement, place a dollar sign ($) after the brackets and before any of the variables, as illustrated in this example so Using the name of a SAS function as an array name can cause unpredictable results. If you inadvertently use a function name as the name of the array, SAS treats parenthetical references that involve the name as array references, not function references, for the duration of the DATA step. A warning message is written to the SAS log. Feb 26, 2021 · Get tips to run SAS code faster by comparing things like KEEP/DROP vs. KEEP=/DROP=, WHERE vs. IF, SQL vs. DATA step and more, presented by SAS’ Mark Jordan (aka the SAS Jedi). Find more tutorials on the SAS Users YouTube channel . The simplest form of SAS arrays are a one-dimensional arrays. In one-dimension arrays, a grouping of SAS variables is grouped under a single array. Once variables are grouped under a single array, you can easily perform the same calculation on all the variables with just a few lines of code.First off, make sure you're defining EDGE_GRP_SUM to a sufficient length.CATX will return missing if it's trying to create too long of a string for the output variable, and that's by default 200 I think in this context. Always define its full length in the code when using the CAT family of functions. Second, the line: if GRPAry[i] = 1 then GRPAry[i] = "G"||i;A SAS array is simply a convenient way of temporarily identifying a group of variables. It is not a data structure, and array-name is not a variable. An ARRAY statement defines an array. An array reference uses an array element in a program statement. May 23, 2020 · The SAS character functions can be helpful to work with the character data like finding substring of a string, splitting a large sentence into words, converting case of characters and there are a lot many. In this article, I have summarized most of the important SAS Character functions which can be useful to you while working with character data. Arrays in the SAS language are different from those in many other languages. A SAS array is simply a convenient way of temporarily identifying a group of variables. It is not a data structure, and array-name is not a variable. An ARRAY statement defines an array. An array reference uses an array element in a program statement. ExamplesYou can use variable lists to assign an array in a SAS DATA step. For example, the following program creates a numerical array named X and a character array named C. The program finds the maximum value in each row and puts that value into the variable named rowMaxNUm. The program also creates a variable named Str that contains the concatenation ...Dec 27, 2016 · First of all, what is a temporary array? Let's start with a "regular" array like this: array x[10] x1-x10; This array, called x is associated with the 10 variables x1-x10. (Remember, the array name can be any valid SAS name, it doesn't have to have any relationship to the variables—but it usually does.) Now, how about a temporary array? sasuke x reader argument You can use variable lists to assign an array in a SAS DATA step. For example, the following program creates a numerical array named X and a character array named C. The program finds the maximum value in each row and puts that value into the variable named rowMaxNUm. The program also creates a variable named Str that contains the concatenation ...First off, make sure you're defining EDGE_GRP_SUM to a sufficient length.CATX will return missing if it's trying to create too long of a string for the output variable, and that's by default 200 I think in this context. Always define its full length in the code when using the CAT family of functions. Second, the line: if GRPAry[i] = 1 then GRPAry[i] = "G"||i;Feb 25, 2020 · February 25, 2020 by Subhro. Arrays in SAS are a temporary grouping of SAS variables arranged in a particular order and identified by an array name. Arrays exist only for the session of the current data step and are referenced by the array name and subscript. One of the main reasons for using arrays in SAS is to reduce the number of statements ... Jul 04, 2022 · The following syntax is followed to implement the SAS arrays: ARRAY <ARRAY-NAME>[subscript] ($) <list-of-variables values-of-the-array> Parameters. ARRAY - Used to declare an array; array name - The custom name of the array that is user-defined; subscript - The number of values that the user wants the array to store ($) - Optional parameter, which is used to convey that the type of values stored in the array is character values Commas are optional between variable values. For example, the following ARRAY statement creates a two-item array named COUNT, assigns the value 1 to the first element, and assigns the value 2 to the second element: array count[2] (1 2); You can also initialize array elements with the DECLARE statement.Naturally a character array should only reference character variables, and a numeric array numeric variables. So: array TestNums [4] Num1-Num4; /* Numeric array */. array TestChars [4] $ Char1-Char4; /* Character aray */. When the array is declared, if the "associated variables" do not yet exist in the PDV, the array statement will create them.Jul 20, 2017 · If you don't know the ASCII code for the start of the block of characters you want then use the RANK () function. So if you only want four characters start from 'a' you could do it this way. length str $4 ; str = collate (rank ('a')); Or you could also use the optional second parameter to COLLATE () to specify how many characters you want. Using the name of a SAS function as an array name can cause unpredictable results. If you inadvertently use a function name as the name of the array, SAS treats parenthetical references that involve the name as array references, not function references, for the duration of the DATA step. A warning message is written to the SAS log. auger cast pile installation Variables that are not previously defined as character variables will default to numeric variables unless they are defined as character variables within the ARRAY stat ement. To define character variables within the ARRAY statement, place a dollar sign ($) after the brackets and before any of the variables, as illustrated in this example soFebruary 25, 2020 by Subhro. Arrays in SAS are a temporary grouping of SAS variables arranged in a particular order and identified by an array name. Arrays exist only for the session of the current data step and are referenced by the array name and subscript. One of the main reasons for using arrays in SAS is to reduce the number of statements ...Nov 04, 2019 · into two arrays, NAMES and CAPITALS. The dollar sign ($) tells SAS to create the elements as character variables. If the variables have already been declared as character variables, a dollar sign in the array is not necessary. The INPUT statement reads all the variables in array NAMES. The statement inside the DO loop May 23, 2020 · The SAS character functions can be helpful to work with the character data like finding substring of a string, splitting a large sentence into words, converting case of characters and there are a lot many. In this article, I have summarized most of the important SAS Character functions which can be useful to you while working with character data. Dec 18, 2020 · Array Hashing in SAS With Character Key Values As usual with the Modulo Hashing approach, we begin by choosing a load factor. This is the portion of the array that will be filled. From this load factor, we calculate an appropriate prime. Just use an ARRAY statement, give your array a name and in the {} instead of the number of elements put a * which SAS interprets as "the number of variables in the array are however many character variables there happen to be.Examples of Array Processing. Example 1: Using Character Variables in an Array. Example 2: Assigning Initial Values to the Elements of an Array. Example 3: Creating an Array for Temporary Use in the Current DATA Step. Example 4: Performing an Action on All Numeric Variables.In SAS an array is declared by using the following syntax − ARRAY ARRAY-NAME (SUBSCRIPT) ($) VARIABLE-LIST ARRAY-VALUES In the above syntax − ARRAY is the SAS keyword to declare an array. ARRAY-NAME is the name of the array which follows the same rule as variable names. SUBSCRIPT is the number of values the array is going to store.Just use an ARRAY statement, give your array a name and in the {} instead of the number of elements put a * which SAS interprets as "the number of variables in the array are however many character variables there happen to be.In the example above, SAS would automatically calculate the number of variables in array. 3. ARRAY ABC [*] X1-X10; Where the X1 variable contains the X1 value, X2 contains the X2 value, etc. 4. ARRAY ABC [*] $ X1-X10; If the variables are of character type then use $ sign before specifying list of variables. why bts is problematic The SAS ARRAY statement consists of the keyword ARRAY followed by the name of the array: ARRAY array-name [ ]; The SAS array name can be followed by either a pair of parentheses ( ), braces { }, or square brackets [ ]. By specifying a value inside the bracket, we can assign the same number of variables to the array. Jul 20, 2017 · If you don't know the ASCII code for the start of the block of characters you want then use the RANK () function. So if you only want four characters start from 'a' you could do it this way. length str $4 ; str = collate (rank ('a')); Or you could also use the optional second parameter to COLLATE () to specify how many characters you want. SAS® 9.4 and SAS® Viya® 3.5 Programming Documentation | SAS 9.4 / Viya 3.5. PDF EPUB Feedback. Welcome to SAS Programming Documentation for SAS® 9.4 and SAS® Viya® 3.5. What's New. Syntax Quick Links. SAS Viya Programming . Data Access. SAS Analytics 15.2 . Base SAS Procedures . DATA Step Programming .You can use variable lists to assign an array in a SAS DATA step. For example, the following program creates a numerical array named X and a character array named C. The program finds the maximum value in each row and puts that value into the variable named rowMaxNUm. The program also creates a variable named Str that contains the concatenation ...Examples of Array Processing. Example 1: Using Character Variables in an Array. Example 2: Assigning Initial Values to the Elements of an Array. Example 3: Creating an Array for Temporary Use in the Current DATA Step. Example 4: Performing an Action on All Numeric Variables.You don't have to tell SAS how many variables are in the array if you are going to list them. You can use a variable list since your variables have a common prefix and a continuous series of numeric suffices. array OTHRPETS Other_spec1-Other_spec4; Next you have this DO statement. Feb 16, 2016 · Yes, an array solves this issue. You will want a simple way to list the variables so look into SAS variable lists as well. For example if your converting all character variables between first and last you could list them as first_var-character-last_var. The rename/drop are illustrated in other questions across SO. Using the name of a SAS function as an array name can cause unpredictable results. If you inadvertently use a function name as the name of the array, SAS treats parenthetical references that involve the name as array references, not function references, for the duration of the DATA step. A warning message is written to the SAS log. In the example above, SAS would automatically calculate the number of variables in array. 3. ARRAY ABC [*] X1-X10; Where the X1 variable contains the X1 value, X2 contains the X2 value, etc. 4. ARRAY ABC [*] $ X1-X10; If the variables are of character type then use $ sign before specifying list of variables. You can use variable lists to assign an array in a SAS DATA step. For example, the following program creates a numerical array named X and a character array named C. The program finds the maximum value in each row and puts that value into the variable named rowMaxNUm. The program also creates a variable named Str that contains the concatenation ... beige hamsterviking river cruise reviewsDec 18, 2020 · In this post, we generalize the array hashing technique to handle character keys. The best way to do so is to map the character key to a numeric integer using the Pib6 Informat. We compare an example lookup to the regular SAS hash object with little difference in run time. The conclusion here is probably to use array hashing only when strictly ... A SAS array is simply a convenient way of temporarily identifying a group of variables. It is not a data structure, and array-name is not a variable. An ARRAY statement defines an array. An array reference uses an array element in a program statement. Jan 24, 2019 · Variables that are not previously defined as character variables will default to numeric variables unless they are defined as character variables within the ARRAY stat ement. To define character variables within the ARRAY statement, place a dollar sign ($) after the brackets and before any of the variables, as illustrated in this example so Jul 20, 2017 · If you don't know the ASCII code for the start of the block of characters you want then use the RANK () function. So if you only want four characters start from 'a' you could do it this way. length str $4 ; str = collate (rank ('a')); Or you could also use the optional second parameter to COLLATE () to specify how many characters you want. the array ( A numeric constant/Numeric SAS expression /(*) [$] - used to specify if the elements in the array are character variables, the default type is numeric [length] - used to define the length of new variables being created in the array, optional array_elements - a list of variables of the same type (all numeric Syntax of SAS Arrays The following syntax is followed to implement the SAS arrays: ARRAY <ARRAY-NAME> [subscript] ($) <list-of-variables values-of-the-array> Parameters ARRAY - Used to declare an array array name - The custom name of the array that is user-defined subscript - The number of values that the user wants the array to storeUsing the name of a SAS function as an array name can cause unpredictable results. If you inadvertently use a function name as the name of the array, SAS treats parenthetical references that involve the name as array references, not function references, for the duration of the DATA step. A warning message is written to the SAS log.The SAS character functions can be helpful to work with the character data like finding substring of a string, splitting a large sentence into words, converting case of characters and there are a lot many. ... This can be useful if you want to associate each character with a number so that an ARRAY subscript can point to a specific character ...SAS® 9.4 and SAS® Viya® 3.5 Programming Documentation | SAS 9.4 / Viya 3.5. PDF EPUB Feedback. Welcome to SAS Programming Documentation for SAS® 9.4 and SAS® Viya® 3.5. What's New. Syntax Quick Links. SAS Viya Programming . Data Access. SAS Analytics 15.2 . Base SAS Procedures . DATA Step Programming .Feb 25, 2020 · February 25, 2020 by Subhro. Arrays in SAS are a temporary grouping of SAS variables arranged in a particular order and identified by an array name. Arrays exist only for the session of the current data step and are referenced by the array name and subscript. One of the main reasons for using arrays in SAS is to reduce the number of statements ... Using Arrays in SAS® Programming Variables that are associated with an array have certain characteristics: All variables that are associated with an array must be of the same type, either character or numeric. As a result, arrays are typically referred to as either character arrays or numeric arrays. The Coalesce(c) Function returns the first non-missing value from a list of numeric/character values. Below, I set up two SAS arrays. One with all the numeric variables and one with all the character variables. Next, I use the Coalesce and CoalesceC Functions to find the first non missing value in both of the arrays. hot fixed matches The SAS ARRAY statement consists of the keyword ARRAY followed by the name of the array: ARRAY array-name [ ]; The SAS array name can be followed by either a pair of parentheses ( ), braces { }, or square brackets [ ]. By specifying a value inside the bracket, we can assign the same number of variables to the array. Jul 20, 2017 · If you don't know the ASCII code for the start of the block of characters you want then use the RANK () function. So if you only want four characters start from 'a' you could do it this way. length str $4 ; str = collate (rank ('a')); Or you could also use the optional second parameter to COLLATE () to specify how many characters you want. However, you can create a character array in SAS by placing the dollar sign ($) after the length of the array. For example: Here we define a character array with three elements. array names_array {3} $ first_name middle_name last_name;You can use variable lists to assign an array in a SAS DATA step. For example, the following program creates a numerical array named X and a character array named C. The program finds the maximum value in each row and puts that value into the variable named rowMaxNUm. The program also creates a variable named Str that contains the concatenation ...First of all, what is a temporary array? Let's start with a "regular" array like this: array x[10] x1-x10; This array, called x is associated with the 10 variables x1-x10. (Remember, the array name can be any valid SAS name, it doesn't have to have any relationship to the variables—but it usually does.) Now, how about a temporary array?In the example above, SAS would automatically calculate the number of variables in array. 3. ARRAY ABC [*] X1-X10; Where the X1 variable contains the X1 value, X2 contains the X2 value, etc. 4. ARRAY ABC [*] $ X1-X10; If the variables are of character type then use $ sign before specifying list of variables. A SAS array is simply a convenient way of temporarily identifying a group of variables. It is not a data structure, and array-name is not a variable. An ARRAY statement defines an array. An array reference uses an array element in a program statement. netflix movies 2022 Feb 25, 2020 · February 25, 2020 by Subhro. Arrays in SAS are a temporary grouping of SAS variables arranged in a particular order and identified by an array name. Arrays exist only for the session of the current data step and are referenced by the array name and subscript. One of the main reasons for using arrays in SAS is to reduce the number of statements ... In the example above, SAS would automatically calculate the number of variables in array. 3. ARRAY ABC [*] X1-X10; Where the X1 variable contains the X1 value, X2 contains the X2 value, etc. 4. ARRAY ABC [*] $ X1-X10; If the variables are of character type then use $ sign before specifying list of variables. The SAS character functions can be helpful to work with the character data like finding substring of a string, splitting a large sentence into words, converting case of characters and there are a lot many. ... This can be useful if you want to associate each character with a number so that an ARRAY subscript can point to a specific character ...Using the name of a SAS function as an array name can cause unpredictable results. If you inadvertently use a function name as the name of the array, SAS treats parenthetical references that involve the name as array references, not function references, for the duration of the DATA step. A warning message is written to the SAS log. {subscript}The Coalesce(c) Function returns the first non-missing value from a list of numeric/character values. Below, I set up two SAS arrays. One with all the numeric variables and one with all the character variables. Next, I use the Coalesce and CoalesceC Functions to find the first non missing value in both of the arrays.Commas are optional between variable values. For example, the following ARRAY statement creates a two-item array named COUNT, assigns the value 1 to the first element, and assigns the value 2 to the second element: array count[2] (1 2); You can also initialize array elements with the DECLARE statement.The SAS ARRAY statement consists of the keyword ARRAY followed by the name of the array: ARRAY array-name [ ]; The SAS array name can be followed by either a pair of parentheses ( ), braces { }, or square brackets [ ]. By specifying a value inside the bracket, we can assign the same number of variables to the array. You can use variable lists to assign an array in a SAS DATA step. For example, the following program creates a numerical array named X and a character array named C. The program finds the maximum value in each row and puts that value into the variable named rowMaxNUm. The program also creates a variable named Str that contains the concatenation ...You use the two keywords _NUMERIC_ and _CHARACTER_ in the ARRAY statements to start the ball rolling. When these keywords are used in a DATA step, they refer to all of the numeric or character variables at that point in the DATA step.. This is an important fact.Jul 04, 2022 · The following syntax is followed to implement the SAS arrays: ARRAY <ARRAY-NAME>[subscript] ($) <list-of-variables values-of-the-array> Parameters. ARRAY - Used to declare an array; array name - The custom name of the array that is user-defined; subscript - The number of values that the user wants the array to store ($) - Optional parameter, which is used to convey that the type of values stored in the array is character values First of all, what is a temporary array? Let's start with a "regular" array like this: array x[10] x1-x10; This array, called x is associated with the 10 variables x1-x10. (Remember, the array name can be any valid SAS name, it doesn't have to have any relationship to the variables—but it usually does.) Now, how about a temporary array?Jan 24, 2019 · Variables that are not previously defined as character variables will default to numeric variables unless they are defined as character variables within the ARRAY stat ement. To define character variables within the ARRAY statement, place a dollar sign ($) after the brackets and before any of the variables, as illustrated in this example so Just use an ARRAY statement, give your array a name and in the {} instead of the number of elements put a * which SAS interprets as "the number of variables in the array are however many character variables there happen to be.Using Arrays in SAS® Programming Variables that are associated with an array have certain characteristics: All variables that are associated with an array must be of the same type, either character or numeric. As a result, arrays are typically referred to as either character arrays or numeric arrays. when are secondaries dueNov 04, 2019 · into two arrays, NAMES and CAPITALS. The dollar sign ($) tells SAS to create the elements as character variables. If the variables have already been declared as character variables, a dollar sign in the array is not necessary. The INPUT statement reads all the variables in array NAMES. The statement inside the DO loop Just use an ARRAY statement, give your array a name and in the {} instead of the number of elements put a * which SAS interprets as "the number of variables in the array are however many character variables there happen to be.Dec 27, 2016 · First of all, what is a temporary array? Let's start with a "regular" array like this: array x[10] x1-x10; This array, called x is associated with the 10 variables x1-x10. (Remember, the array name can be any valid SAS name, it doesn't have to have any relationship to the variables—but it usually does.) Now, how about a temporary array? Feb 25, 2020 · One of the main reasons for using arrays in SAS is to reduce the number of statements required for processing variables. Syntax ARRAY array-name {dimension} array-name specifies the name of the array. dimensions are the number and arrangement of array elements. elements list are the numeric or character variables to include in the array. Jul 20, 2017 · If you don't know the ASCII code for the start of the block of characters you want then use the RANK () function. So if you only want four characters start from 'a' you could do it this way. length str $4 ; str = collate (rank ('a')); Or you could also use the optional second parameter to COLLATE () to specify how many characters you want. Variables that are not previously defined as character variables will default to numeric variables unless they are defined as character variables within the ARRAY stat ement. To define character variables within the ARRAY statement, place a dollar sign ($) after the brackets and before any of the variables, as illustrated in this example so bedsit to rent basildonThe solution to overcome the inefficiency is to use a SAS ARRAY with a subsequent DO loop. We will first define two different types of arrays, the indexed array and a non-indexed array. ... used to specify if the elements in the array are character variables, the default type is numeric [length] used to define the length of new variables being ...May 22, 2020 · Iterate Through Array Elements The first approach that comes to mind to most SAS programmers is probably to write a simple do-loop and iterate through the array elements. Suppose, I want to search for the value 5 in the numeric array below. I loop from i = 1 to the maximum index value for the array. SAS® 9.4 and SAS® Viya® 3.5 Programming Documentation | SAS 9.4 / Viya 3.5. PDF EPUB Feedback. Welcome to SAS Programming Documentation for SAS® 9.4 and SAS® Viya® 3.5. What's New. Syntax Quick Links. SAS Viya Programming . Data Access. SAS Analytics 15.2 . Base SAS Procedures . DATA Step Programming .February 25, 2020 by Subhro. Arrays in SAS are a temporary grouping of SAS variables arranged in a particular order and identified by an array name. Arrays exist only for the session of the current data step and are referenced by the array name and subscript. One of the main reasons for using arrays in SAS is to reduce the number of statements ...The Coalesce(c) Function returns the first non-missing value from a list of numeric/character values. Below, I set up two SAS arrays. One with all the numeric variables and one with all the character variables. Next, I use the Coalesce and CoalesceC Functions to find the first non missing value in both of the arrays.You don't have to tell SAS how many variables are in the array if you are going to list them. You can use a variable list since your variables have a common prefix and a continuous series of numeric suffices. array OTHRPETS Other_spec1-Other_spec4; Next you have this DO statement. May 29, 2018 · Re: Array for character to numeric. 1. You cannot do in place conversion, a variable cannot be changed from numeric to character or vice versa so you need to create a new variable. 2. Diagnosis codes usually have a letter as well as codes, so be careful. Examples of Array Processing. Example 1: Using Character Variables in an Array. Example 2: Assigning Initial Values to the Elements of an Array. Example 3: Creating an Array for Temporary Use in the Current DATA Step. Example 4: Performing an Action on All Numeric Variables.Nov 04, 2019 · into two arrays, NAMES and CAPITALS. The dollar sign ($) tells SAS to create the elements as character variables. If the variables have already been declared as character variables, a dollar sign in the array is not necessary. The INPUT statement reads all the variables in array NAMES. The statement inside the DO loop blonde human hair topper xa