How to merge multiple excel files
问题 I have multiple Excel files, each with two columns. One being the same and the other being different for different files. How can I merge all the files by their common column and save them as a new file? Note: I don't wish to combine them one under the other (using rbind ). Instead, I want to merge them based on the commun column. For R: I have filenames in the following format. percent- 15 knt 03_01__00_51.csv percent- 20 knt 03_01__00_54.csv percent- 25 knt 03_01__00_57.csv Due to the file