* Encoding: UTF-8. * Missing values for dates.sps for Lessons Learned folder. * Day 0, 10/14/1582, is not allowed as a date value so it cannot be used either as data or as a missing value. * See the error messages in the output file. * * the missing value most be in the same format as the data. * * Note the use of the TO convention in the Missing Data statement * * this is an example problems when missing values are not specified. * https://www.washingtonpost.com/politics/2021/12/10/wisconsin-voter-registration-conspiracy-debunked/. * New file. data list list /MyDate (adate10). Begin data. 12/25/2021 7/4/2021 5/5/2000 12/25/2021 7/4/2021 5/5/2000 12/25/2021 7/4/2021 5/5/2000 10/15/1582 10/16/1582 12/25/2021 7/4/2021 5/5/2000 10/15/1582 10/16/1582 10/17/1582 12/25/2021 7/4/2021 5/5/2000 10/15/1582 10/16/1582 10/10/1800 10/14/1582 end data. display dictionary. MISSING VALUES MyDate ('10/14/1582'). missing values MyDate ('10/15/1582' THRU '10/20/1582', '10/10/1800'). Value labels MyDate '10/15/1582' 'unknown' '10/16/1582' 'refused to answer' '10/10/1800' 'forgot to ask'. display dictionary. frequencies MyDate.