similar to: HOW TO FILTER DATA

Try the code below: df <- read_delim("C:/Users/lruan1/Desktop/1112.csv", "|", escape_double = FALSE, trim_ws = TRUE) df_new <- subset(df,df$IPC == 'H04M001/02'| df$IPC == 'C07K016/26' ) You can add more condition with "|" in the subset function. Good luck! On Wed, Jan 3, 2018 at 2:53 PM, Saptorshee Kanto Chakraborty < chkstr at