{smcl} {* September 5, 2007 @ 13:35:16}{...} {hi:help ckvarclear} {hline} {title:Title} {pstd} {cmd:ckvarclear} - clears characteristics used by ckvar {p_end} {title:Syntax} {* put the syntax in what follows. Don't forget to use [ ] around optional items} {p 8 16 2} {cmd: ckvarclear} [{varlist}] [ {cmd:,} {opt stubs(stubs to clear)} ] {p_end} {title:Description} {pstd} This is a helper command for {help ckvar} which clears characteristics used for validation or scoring. Its main use is when experimenting with {help ckvar}. {p_end} {title:Options} {phang}{cmd:stubs} specifies that {help chchar##stubs:stubs} (or prefixes) whose characteristics should be cleared. Its default value is {cmd:valid}. {p_end} {title:Example(s)} {phang}{cmd:. ckvarclear}{p_end} {phang2}Clears all characteristics whose names start with {hi:valid_} from all variables in the dataset. {p_end} {phang}{cmd:. ckvarclear foo bar, stubs(valid score)}{p_end} {phang2}Clears all characteristics whose names start with {hi:valid_} and {hi:score} from the two variables {hi:foo} and {hi:bar}. {p_end} {title:Notes} {pstd} Clearing characteristics from just a few of the variables could cause {help ckvar} to have problems. {p_end} {title:Also see} {psee} Online: help for {help ckvar}, {help ckvaredit}, {help ckvardo}, and {help dochar}. {p_end} {title:Author} {pstd} Bill Rising, StataCorp{break} email: brising@stata.com{break} web: {browse "http://homepage.mac.com/brising":http://homepage.mac.com/brising} {p_end}