menggantinamakolom.R

# Data Frame Utama {Producers}
producers <- data.frame(   
  surname =  c("Oswaldo","Noel","Dio","Bimo","Kocun"),    
  nationality = c("US","US","UK","US","Poland"),    
  stringsAsFactors=FALSE)

# Data Frame yang akan digabungkan
movies <- data.frame(    
  surname = c("Oswaldo",
              "Noel",
              "Dio",
              "Dio",
              "Oswaldo",
              "Bimo",
              "Kocun"),    
  title = c("Super 8",
            "Taxi Driver",
            "Psycho",
            "North by Northwest",
            "Catch Me If You Can",
            "Reservoir Dogs","Chinatown"),                
  stringsAsFactors=FALSE)

# Menggabungkan Dua Data Frame 
m1 <- merge(producers, movies, by.x = "surname")
m1

##   surname nationality               title
## 1    Bimo          US      Reservoir Dogs
## 2     Dio          UK              Psycho
## 3     Dio          UK  North by Northwest
## 4   Kocun      Poland           Chinatown
## 5    Noel          US         Taxi Driver
## 6 Oswaldo          US             Super 8
## 7 Oswaldo          US Catch Me If You Can

# Mengganti nama kolom "movies" 
colnames(movies)[colnames(movies) == 'surname'] <- 'name'