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I'm trying to figure out how to append more data to an existing dataframe one column at a time. For example: I have this dataframe:

df <- data.frame("x" = c(1, 2, 3, 4, 5), "y" = c(0.255, 0.236, 0.587, 0.369, 0.789))

Here are additional data I want to append. I want to add x2 to the bottom of the x column and then add y2 to the bottom of the y column.

x2 <- c(6, 7, 8, 9, 10)

y2 <- c(0.236, 0.963, 0.356, 0.489, 0.333)

This is what I want the dataframe to look like after.

x      y

1  0.255

2  0.236

3  0.587

4  0.369

5  0.789

6  0.236

7  0.963

8  0.356

9  0.489

10 0.333

You will need to make sure that the column names are same when appending data.

In your case:

df2 <- data.frame(x2, y2)   #creating a dataframe

names(df2) <- names(df)     #changing the column header names as this is a requirement for append



df <- rbind(df, df2)    #appending

This should do the trick, unless I am missing something:

df <- data.frame("x" = c(1, 2, 3, 4, 5), "y" = c(0.255, 0.236, 0.587, 0.369, 0.789))

Change the names of the data to be added to have the same name as the original dataframe

x <- c(6, 7, 8, 9, 10)

y <- c(0.236, 0.963, 0.356, 0.489, 0.333)

df2 <- bind_cols(list(x = x, y = y))

df3 <- bind_rows(list(df, df2))