May 13, 2020

Propensity Score Matching en R


En este video:

*** Enfoque en la intuición *** 1. Vamos a usar datos en: library(MatchIt - ?matchit). El nombre de la base de datos es data(lalonde) - esta es una muestra. 2. Crear variables dummy. 3. Vamos a calcular propensity scores. 4. Vamos a hacer "match" (pareo) de observaciones usando el paquete "matchit" para encontrar match entre individuos que recibieron el tratamiento e individuos que no. En este caso el tratamiento es un programa de entrenamiento. 5. Vamos a ver los resultados usando dos gráficas: histograma y "jitter". 6. Vamos a comparar estadísticamente la variable de interés (outcome) etre el grupo "match control" y "match treatment". En este caso es la variable ingreso. 7. Vamos a evaluar el balance del metodo de match, con "Love graph." 8. Esto es solo una análisis breve y muy inicial. 9. Sigan mi canal Andres Marroquin. Recursos: Estudio reciente: https://publications.iadb.org/en/publication/11069/crime-and-erosion-trust-evidence-latin-america Podcast: https://www.methodology.psu.edu/news/543-podcast13/

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