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Miah
Obsidian | Level 7

I am trying to calculate the difference in days between dates. More specifically between the values of variable Date and January 1, 2000. 

 

Here it is my code and I have attached the data set: 

 

PROC IMPORT OUT= work.NBA
DATAFILE= "/folders/myfolders/NBA60.txt"
DBMS=CSV REPLACE;
DELIMITER=',';
GETNAMES=YES;
RUN;

PROC PRINT DATA=work.NBA;
RUN;

PROC PRINT DATA = NBA;
FORMAT Date WORDDATE. ;
RUN;

DATA NBA;
fecha = intck('day', DATE, "01Jan2000"d);
RUN;

PROC PRINT DATA=NBA;
RUN;

1 ACCEPTED SOLUTION

Accepted Solutions
Reeza
Super User

You forgot the SET statement in your data step. 

 

DATA NBA_DURATION;
        set NBA;
	fecha = intck('day', DATE, "01Jan2000"d); 
RUN;

View solution in original post

2 REPLIES 2
Reeza
Super User

You forgot the SET statement in your data step. 

 

DATA NBA_DURATION;
        set NBA;
	fecha = intck('day', DATE, "01Jan2000"d); 
RUN;
Astounding
PROC Star

Your data has some dates before year 2000, and some after.  So when you calculate the difference, which years should show a negative difference and which a positive difference?

 

Your formula calculates the number of days as negative for years after 2000.  It's easy to reverse that, and you don't need any functions to do it:

 

fecha = date - '01jan2000'd;

 

And yes, you do need a SET statement.

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