Hello,
I have 2 dataframe namely df_1
and df_2
. The structures of the dataframe are given below
Dataframe 1 contains 3 columns
name_1 name_2 description
A B Good
A C Good
D C Bad
Dataframe 2 contains 3 columns
name_1 name_2 score
B F 0.05
D Y 0.06
A C 0.87
My expected dataframe
is
name_1 name_2 description score
A B Good n/a
A C Good 0.87
D C Bad n/a
Now, I want to add a column score
from df_2
to df_1
if the name of both columns matches. Condition looks like this
if ((df_1$name_1 == df_2$name_1) && (df_1$name_2 == df_2$name_2))
then I would like to take the score from df_2
I am using the match
function but getting the wrong answer. My code is given below
df_1$score <- df_2$score[match(df_1$name_1, df_2$name_1) && match(df_1$name_2, df_2$name_2]
Could you tell me, how can I use the condition for getting the expected output?