sort one column of characters by the order of another column in another dataframe in r

You can sort one column of characters in one dataframe by the order of another column in another dataframe in R by using the match() function along with order() function. Below is an example code snippet that demonstrates how to achieve this:

# Sample data
df1 <- data.frame(id = c(1, 2, 3, 4),
                  name = c("Alice", "Bob", "Charlie", "David"))

df2 <- data.frame(name = c("Bob", "David", "Alice", "Charlie"),
                  order_col = c(2, 4, 1, 3))

# Sort df1 by the order of name column in df2
df1_sorted <- df1[order(match(df1$name, df2$name)), ]

# Print sorted dataframe
print(df1_sorted)
371 chars
13 lines

In this code snippet, we first define two dataframes df1 and df2. We then sort df1 by the order of the name column in df2 using the match() function to get the corresponding order index and order() function to sort based on that index. The resulting sorted df1 is stored in df1_sorted.

Ensure that the names in the name column of df1 and df2 match exactly for this method to work effectively.

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