Help using Base SAS procedures

if statement

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Super Contributor
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Accepted Solution

if statement

HI Team,

i was trying to use an if condition like the following and I get a syntax error.

could you please help me correct this?????

DAta want want2;

set have;

If datepart(time) between "begin" and "end " then output want;

if datepart(time) between "begin2 " and "end2" theN output want2;

run;

THanks


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‎08-04-2013 11:52 PM
Super User
Super User
Posts: 7,036

Re: if statement

Posted in reply to robertrao

Two problems

1)  The IF statement does not support that SQL specific BETWEEN operator even though the WHERE statement does.

Use the normal SAS syntax :

  "&begin"d <= datepart(time) <= "&end"d

Or the expanded syntax :

  "&begin"d <= datepart(time) and datepart(time) <= "&end"d


2) You cannot compare a numeric (dates are numbers of days since 1/1/1960) with a character string. If you format the values in DATE format then you can use date literals.

%let begin=01JAN2013;

%let end=31MAR2013;

%let begin2=01APR2013;

%let end2=30JUN2013;

data want want2;

  set have;

  if "&begin"d <= datepart(time) <= "&end"d then output want;

  if "&begin2"d <= datepart(time) <= "&end2"d then output want2;

run;

View solution in original post


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Solution
‎08-04-2013 11:52 PM
Super User
Super User
Posts: 7,036

Re: if statement

Posted in reply to robertrao

Two problems

1)  The IF statement does not support that SQL specific BETWEEN operator even though the WHERE statement does.

Use the normal SAS syntax :

  "&begin"d <= datepart(time) <= "&end"d

Or the expanded syntax :

  "&begin"d <= datepart(time) and datepart(time) <= "&end"d


2) You cannot compare a numeric (dates are numbers of days since 1/1/1960) with a character string. If you format the values in DATE format then you can use date literals.

%let begin=01JAN2013;

%let end=31MAR2013;

%let begin2=01APR2013;

%let end2=30JUN2013;

data want want2;

  set have;

  if "&begin"d <= datepart(time) <= "&end"d then output want;

  if "&begin2"d <= datepart(time) <= "&end2"d then output want2;

run;

Super Contributor
Posts: 1,041

Re: if statement

Thank you very much Tom. That was very helpful.

🔒 This topic is solved and locked.

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