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claireluen
Calcite | Level 5

When assigning week variables in SAS EG, how can I set a week as Thursday-Wednesday rather than the default Sunday-Saturday?  Our production week begins on Thursday.

1 ACCEPTED SOLUTION

Accepted Solutions
Quentin
Super User

Hi,

How are you assingning week now?  Assuming January 1st is not a Thursday, do you want a value of 0 until the first Thursday, and then increment week numbers after that?

Perhaps something like below, which counts how many Thursdays have passed since January first:

data have;
  do date="01Jan2014"d to "31Dec2014"d;
    output;
  end;
  format date mmddyy10.;
run;

data want;
  set have;
  weekNum=intck('week.5'
               ,intnx('year',date,0,'B')-1
               ,date
               );
run;
proc freq data=want;
  tables date*WeekNum/missing list;
run;
BASUG is hosting free webinars Next up: Jane Eslinger presenting PROC REPORT and the ODS EXCEL destination on Mar 27 at noon ET. Register now at the Boston Area SAS Users Group event page: https://www.basug.org/events.

View solution in original post

1 REPLY 1
Quentin
Super User

Hi,

How are you assingning week now?  Assuming January 1st is not a Thursday, do you want a value of 0 until the first Thursday, and then increment week numbers after that?

Perhaps something like below, which counts how many Thursdays have passed since January first:

data have;
  do date="01Jan2014"d to "31Dec2014"d;
    output;
  end;
  format date mmddyy10.;
run;

data want;
  set have;
  weekNum=intck('week.5'
               ,intnx('year',date,0,'B')-1
               ,date
               );
run;
proc freq data=want;
  tables date*WeekNum/missing list;
run;
BASUG is hosting free webinars Next up: Jane Eslinger presenting PROC REPORT and the ODS EXCEL destination on Mar 27 at noon ET. Register now at the Boston Area SAS Users Group event page: https://www.basug.org/events.

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