Notice: On March 31, it was **announced** that Statalist is moving from an email list to a **forum**. The old list will shut down on April 23, and its replacement, **statalist.org** is already up and running.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

From |
"David Radwin" <dradwin@mprinc.com> |

To |
<statalist@hsphsun2.harvard.edu> |

Subject |
st: RE: Remove prefixes (e.g., >, <, and +/-) from numbers stored as strings |

Date |
Fri, 8 Jun 2012 10:59:31 -0700 (PDT) |

Can you use -destring- with the -ignore- option like this? . destring myvariable, ignore("+/-<>") generate(myvariable2) David -- David Radwin Senior Research Associate MPR Associates, Inc. 2150 Shattuck Ave., Suite 800 Berkeley, CA 94704 Phone: 510-849-4942 Fax: 510-849-0794 www.mprinc.com > -----Original Message----- > From: owner-statalist@hsphsun2.harvard.edu [mailto:owner- > statalist@hsphsun2.harvard.edu] On Behalf Of Richard Herron > Sent: Friday, June 08, 2012 10:30 AM > To: statalist@hsphsun2.harvard.edu > Subject: st: Remove prefixes (e.g., >, <, and +/-) from numbers stored as > strings > > I have numbers stored as string with prefixes (e.g., "+/-30") that I > would like to convert to numbers. Not all entries necessarily have > prefixes (or postfixes). > > With -regexm()- and -regexs()- I can remove from postfixes and handle > decimals, but I can't remove prefixes. Can you spot my error with > -regexm()-? Thanks! > > Richard Herron > > * begin code > clear > set obs 20 > generate number = 100*runiform() > generate prefix = "" > generate postfix = "" > foreach i of numlist 1 5 10 15 { > replace prefix = ">" in `i' > replace postfix = "%" in `=`i' + 1' > replace number = int(number) in `=`i' + 2' > } > egen combo = concat(prefix number postfix) > generate number2 = regexs(1) if regexm(combo, "([0-9]*\.?[0-9]*)") > list > * end code * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**Follow-Ups**:**Re: st: RE: Remove prefixes (e.g., >, <, and +/-) from numbers stored as strings***From:*Richard Herron <richard.c.herron@gmail.com>

**References**:**st: Remove prefixes (e.g., >, <, and +/-) from numbers stored as strings***From:*Richard Herron <richard.c.herron@gmail.com>

- Prev by Date:
**st: additional lines in a plot** - Next by Date:
**Re: st: RE: Remove prefixes (e.g., >, <, and +/-) from numbers stored as strings** - Previous by thread:
**st: Remove prefixes (e.g., >, <, and +/-) from numbers stored as strings** - Next by thread:
**Re: st: RE: Remove prefixes (e.g., >, <, and +/-) from numbers stored as strings** - Index(es):