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Dec 18th, 2018
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  1. set.seed(2018)
  2. df1 <- data.frame(claves = letters[1:3], # a, b y c
  3. stringsAsFactors = FALSE)
  4. df2 <- data.frame(claves = sample(letters, 100, replace = TRUE), #100 letras al azar, algunas son a, b o c
  5. estadisticos = rnorm(100), #Unos datos numéricos al azar que simulan los estadísticos
  6. stringsAsFactors = FALSE)
  7.  
  8. df2[df2$claves %in% df1$claves, ]
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