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How do you delete blank rows in SAS?

Chris Normand
  1. Method I: Removes complete row where all variables having blank/missing values. OPTIONS missing = ‘ ‘ ; data readin; SET outdata; IF missing(cats( of _all_)) …
  2. Method II: Removes only that rows where any of the variable has missing/blank values. data readin; SET outdata; IF cmiss( of _character_)

How do you delete blanks in SAS?

One of the most used functions in SAS to remove blanks is the STRIP-function. Like the TRIM- and TRIMN-functions, the STRIP-function removes trailing blanks. However, the STRIP-function also removes the leading blanks from a string.

How do you delete specific rows in SAS?

Here are the three most common ways to delete rows in SAS:
  1. Method 1: Delete Rows Based on One Condition data new_data; set original_data; if var1 = "string" then delete; run;
  2. Method 2: Delete Rows Based on Several Conditions data new_data; set original_data; if var1 = "string" and var2 < 10 then delete; run;
Here are the three most common ways to delete rows in SAS:
  1. Method 1: Delete Rows Based on One Condition data new_data; set original_data; if var1 = "string" then delete; run;
  2. Method 2: Delete Rows Based on Several Conditions data new_data; set original_data; if var1 = "string" and var2 < 10 then delete; run;

How do I create a blank row in SAS?

  1. Method 1: INSERT INTO & SET Statement.
  2. Method 2: INSERT INTO & VALUES Statement.
  3. Method 3: PROC APPEND.
  4. Method 4: DATA STEP & SET Statement.
  5. Method 5: DATA STEP & OUTPUT Statement.
  6. Summary: Insert a Row into a SAS Dataset.
  1. Method 1: INSERT INTO & SET Statement.
  2. Method 2: INSERT INTO & VALUES Statement.
  3. Method 3: PROC APPEND.
  4. Method 4: DATA STEP & SET Statement.
  5. Method 5: DATA STEP & OUTPUT Statement.
  6. Summary: Insert a Row into a SAS Dataset.

How do I empty a SAS dataset?

Here are the three most common ways to delete datasets in SAS:
  1. Method 1: Delete One Dataset proc datasets library=work nolist; delete data2; quit;
  2. Method 2: Delete Multiple Datasets proc datasets library=work nolist; delete data2 data3; quit;
  3. Method 3: Delete All Datasets in Library. proc datasets library=work kill;
Here are the three most common ways to delete datasets in SAS:
  1. Method 1: Delete One Dataset proc datasets library=work nolist; delete data2; quit;
  2. Method 2: Delete Multiple Datasets proc datasets library=work nolist; delete data2 data3; quit;
  3. Method 3: Delete All Datasets in Library. proc datasets library=work kill;

How do I rename a variable in SAS?

There may be occasions in which you want to change some of the variable names in your SAS data set. To do so, you’ll want to use the RENAME= option. As its name suggests, the RENAME= option allows you to change the variable names within a SAS data set. RENAME = (old1=new1 old2=new2 ….

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How do you merge in SAS?

To merge two or more data sets in SAS, you must first sort both data sets by a shared variable upon which the merging will be based, and then use the MERGE statement in your DATA statement.

How do you delete a record in SAS?

Here are the three most common ways to delete rows in SAS:
  1. Method 1: Delete Rows Based on One Condition data new_data; set original_data; if var1 = “string” then delete; run;
  2. Method 2: Delete Rows Based on Several Conditions data new_data; set original_data; if var1 = “string” and var2 < 10 then delete; run;
Here are the three most common ways to delete rows in SAS:
  1. Method 1: Delete Rows Based on One Condition data new_data; set original_data; if var1 = “string” then delete; run;
  2. Method 2: Delete Rows Based on Several Conditions data new_data; set original_data; if var1 = “string” and var2 < 10 then delete; run;

How do you remove nulls in SAS?

To remove records that have a missing value for a particular character variable, you simply need to use an IF statement to check for blanks, followed by a THEN DELETE statement.

How do I create a PROC SQL table in SAS?

To create a PROC SQL table from a query result, use a CREATE TABLE statement with the AS keyword, and place it before the SELECT statement. When a table is created this way, its data is derived from the table or view that is referenced in the query’s FROM clause.

How do I remove leading spaces in SQL?

SQL Server TRIM() Function

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The TRIM() function removes the space character OR other specified characters from the start or end of a string. By default, the TRIM() function removes leading and trailing spaces from a string.

How does merge work in SAS?

One-to-One Merging

SAS combines the first observation from all data sets that are named in the MERGE statement into the first observation in the new data set, the second observation from all data sets into the second observation in the new data set, and so on.

What is SAS PROC SQL?

PROC SQL is a powerful Base SAS Procedure that combines the functionality of DATA and PROC steps into a single step. PROC SQL can sort, summarize, subset, join (merge), and concatenate datasets, create new variables, and print the results or create a new table or view all in one step!

How do you remove duplicates in SAS?

You can use proc sort in SAS to quickly remove duplicate rows from a dataset. This procedure uses the following basic syntax: proc sort data=original_data out=no_dups_data nodupkey; by _all_; run; Note that the by argument specifies which columns to analyze when removing duplicates.

How do you exclude a variable in SAS?

The DROP= option tells SAS which variables you want to drop from a data set. If you place the DROP= option on the SET statement, SAS drops the specified variables when it reads the input data set.

How do you delete a variable in SAS?

To delete variables in SAS, you can use the DROP statement in a DATA step. Suppose you want to delete variables x1 , x2 , and x3 in SAS data set old1 and save it to a new SAS data set new1 .

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What is trim function SQL?

SQL Server TRIM() Function

The TRIM() function removes the space character OR other specified characters from the start or end of a string. By default, the TRIM() function removes leading and trailing spaces from a string. Note: Also look at the LTRIM() and RTRIM() functions.

How do you truncate a table in SQL?

To remove all data from an existing table, use the SQL TRUNCATE TABLE order. You can also use the DROP TABLE command to delete an entire table. But Truncate will remove the entire table structure from the database, and you will need to recreate the table if you want to store any data.

How do I append data in SAS?

You can use PROC APPEND in SAS to append the values of one dataset to the end of another dataset. This procedure uses the following basic syntax: proc append base=data1 data=data2; run; Note that this procedure doesn’t create a new dataset.

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