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STBTCALC: Stata module to calculate time-varying regression coefficients in Cox PH models

Author

Listed:
  • Patrick Royston

    (Imperial College School of Medicine)

  • Peter Sasieni

    (Imperial Cancer Research Fund)

Programming Language

Stata

Abstract

stbtcalc calculates local estimates of the regression coefficients in the Cox model defined by stset with predictors in varlist. The estimates are calculated within moving windows which bracket a fixed number of "deaths" (events). stbtplot plots the estimates and confidence intervals against the failure times. varlist is (a subset of) the predictors in stbtcalc's varlist.

Suggested Citation

  • Patrick Royston & Peter Sasieni, 1998. "STBTCALC: Stata module to calculate time-varying regression coefficients in Cox PH models," Statistical Software Components S351701, Boston College Department of Economics.
    • Handle: RePEc:boc:bocode:s351701
    as

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    File URL: http://fmwww.bc.edu/repec/bocode/s/stbtcalc.ado
    File Function: program code
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    File URL: http://fmwww.bc.edu/repec/bocode/s/stbtcalc.hlp
    File Function: help file
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    File URL: http://fmwww.bc.edu/repec/bocode/s/stbtplot.ado
    File Function: program code
    Download Restriction: no
    File URL: http://fmwww.bc.edu/repec/bocode/m/mkname1.ado
    File Function: program code
    Download Restriction: no
    File URL: http://fmwww.bc.edu/repec/bocode/s/stbtplot.hlp
    File Function: help file
    Download Restriction: no
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    Keywords

    Stata;

    Statistics

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