VARCK: Stata module to check existence of variables in Stata memory

Wu LiangHai (), Yang Lu (), Hu Fangfang (), Chen Liwen () and Wu Hanyan ()
Additional contact information
Wu LiangHai: Anhui University of Technology
Yang Lu: Anhui University of Technology
Hu Fangfang: Wanjiang University of Technology
Chen Liwen: Anhui University of Technology
Wu Hanyan: Nanjing University of Aeronautics and Astronautics

Statistical Software Components from Boston College Department of Economics

Abstract: varck checks whether specified variables exist in the dataset in memory. It handles single or multiple variables, prints color-coded bilingual output (Chinese / English), and is tailored for interactive data exploration in accounting empirical research.

Language: Stata
Requires: Stata version 14
Keywords: data management; variable names (search for similar items in EconPapers)
Date: 2026-06-21
Note: This module should be installed from within Stata by typing "ssc install varck". The module is made available under terms of the GPL v3 (https://www.gnu.org/licenses/gpl-3.0.txt). Windows users should not attempt to download these files with a web browser.
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Downloads: (external link)
http://fmwww.bc.edu/repec/bocode/v/varck.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/v/varck.sthlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/s/sunny_varck.do program code (text/plain)

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Persistent link: https://EconPapers.repec.org/RePEc:boc:bocode:s459761

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