NCA: Stata module to perform Necessary Condition Analysis (NCA)

Daniele Spinelli and Jan Dul

Statistical Software Components from Boston College Department of Economics

Abstract: nca performs a Necessary Condition Analysis (NCA). NCA identifies a necessary condition X for an outcome Y in datasets. NCA draws a ceiling line Y = f(X) in an XY plot. The line separates the area without observations (the area of ‘no Y without X’) from the area with observations. NCA estimates several parameters including necessity effect size and its p value.

Language: Stata
Requires: Stata version 15
Keywords: necessary; condition; nca (search for similar items in EconPapers)
Date: 2023-11-22, Revised 2024-10-30
Note: This module should be installed from within Stata by typing "ssc install nca". 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/n/nca.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/n/ncaFile-URL:htt ... ocode/_/centiles.ado program code (text/plain)
Our link check indicates that this URL is bad, the error code is: 404 Not Found
http://fmwww.bc.edu/repec/bocode/n/nca_display.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/n/nca_display_bottleneck_table.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/n/nca_estimate.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/n/nca_getFile-URL ... ocode/_/centiles.ado program code (text/plain)
Our link check indicates that this URL is bad, the error code is: 404 Not Found
http://fmwww.bc.edu/repec/bocode/n/nca_parse_scope.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/n/nca_random.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/n/nca_power.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/n/nca_test.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/n/nca_examples.do sample do-file (text/plain)
http://fmwww.bc.edu/repec/bocode/n/nca.sthlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/n/nca_power.sthlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/n/nca_random.sthlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/l/lnca.mlib Mata object code
http://fmwww.bc.edu/repec/bocode/n/ncaexample.dta supplementary data file (application/x-stata)
http://fmwww.bc.edu/repec/bocode/n/ncaexample2.dta supplementary data file (application/x-stata)

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