Please help me solve the two easy questions by using R. Thank you!
1. How can yo
Please help me solve the two easy questions by using R. Thank you!
1. How can you tell if an object is a tibble?
2. The following code defines a data frame: df <- data.frame(x= 1, y = "a")
Try the following code and see the outputs: df$x, df[, ‘y’]
Now change df to a tibble: new_df<-as_tibble(df)
How to realize df$x, df[, ‘y’] for new_df using pipe?
