search for: lruan1

Displaying 2 results from an estimated 2 matches for "lruan1".

Did you mean: lan1
2018 Jan 03
0
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...
2018 Jan 03
3
HOW TO FILTER DATA
Hello, I have a data of Patents from OECD in delimited text format with IPC being one column, I want to filter the data by selecting only certain IPC in that column and delete other rows which do not have my required IPCs. Please, can anybody guide me doing it, also the IPC codes are string variables. The data is somewhat like below, but its a huge dataset containing more than 11 million rows