By Derek P. Morgan

Why does SAS use January 1, 1960, as its arbitrary reference date? How do you exchange a price similar to 27 January, 2003, into SAS dates? You?ll locate the solutions to those questions and masses extra during this compact reference that makes it effortless to appreciate how one can use and manage dates, occasions, and datetimes in SAS. Novice-to-intermediate clients will locate the transparent, task-focused examples and motives of codecs and features worthwhile; skilled clients will savor discussions of themes comparable to periods and foreign date and time codecs. incorporated is an advantage "Quick Reference advisor" directory the entire codecs (with examples) on one convenient web page.

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Extra info for The Essential Guide to SAS Dates and Times

Example text

MMDDYY4. 1203 Month and day, no separator. MMDDYY5. 12/03 Month and day with separating slash. MMDDYY6. 120305 Month, day, and year, no separator. MMDDYY7. 120305 MMDDYY8. 12/03/05 MMDDYY9. MMDDYY10. 12/03/05 12/03/2005 Month, day, and year, no separator, leading blank. Still a two-digit year, leading blank added. Chapter 2: Displaying SAS Date, Time, and Datetime Values as Dates and Times 25 MMDDYYxw. Displays the date in the same way that the MMDDYY. format does, except that you can specify the separator.

DTYYQCw. Writes date values as a two-digit or four-digit year, followed by a colon, and a single-digit representing the quarter of the year. It is right-justified, and w can be from 4 to 6. The default width is 4. Use a width of 6 to get a four-digit year. Use 4 or 5 to get a two-digit year. This gives you the same result with datetime values as using the YYQC. format would yield with a date value. 6 AM on August 20, 2001: 54 The Essential Guide to SAS Dates and Times Format Name Result Comment DTYYQC4.

WEEKU11. 2007-W09-04 Separator added between year, week number, and number of the day of the week. WEEKU12. 2007-W09-04 Same as WEEKU11. 34 The Essential Guide to SAS Dates and Times WEEKVw. Writes the date value as a week number in decimal format using the V algorithm, which is International Standards Organization (ISO) compliant. It is left-justified in the same fashion as the WEEKU. format. w can be from 1 to 200, and the default is 11. Specifying any value greater than 11 will display the same results as if w were 11.

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