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FILLMISSING: Stata module to fill missing values in numeric or string variables


  • Attaullah Shah

    (Institute of Management Sciences)

Programming Language



fillmissing program provides the convenience of filling missing values in numeric or string variables with the variable's previous value, forward value, first or last value, or with some calculated values such as mean, median, minimum, maximum, etc. in numeric variables. The program can work with or without the bysort prefix. Specifically, if filling the missing values is needed within a grouping variable, such as firms, years, etc, the bysort prefix can be used.

Suggested Citation

  • Attaullah Shah, 2020. "FILLMISSING: Stata module to fill missing values in numeric or string variables," Statistical Software Components S458787, Boston College Department of Economics.
  • Handle: RePEc:boc:bocode:s458787
    Note: This module should be installed from within Stata by typing "ssc install fillmissing". The module is made available under terms of the GPL v3 ( Windows users should not attempt to download these files with a web browser.

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