I am working with a dataframe that looks something like this: score name country date id 1 name1 country1 date1 id1 5 name1 country1 date2 id2 6 name1 country1 date3 id3 9 name2 country2 date1 id4 5 name2 country2 date2 id5 5 name2 country2 date2 id5 7 name2 country3 date2 id5 2 name2 country3 date2 id5 1 name2 country3 date3 id6 2 name3 country4 date1 id7 6 name3 country4 date1 id8 7 name3 country4 date1 id9 I would like to get the the ids for each name grouped by country, where the score is the top 5% from that group of name. In the end it should look something like this: name country score date id name1 country1 6 date2 id2 5 date3 id3 name2 country2 9 date2 id2 name2 country3 7 date2 id2 name3 country4 7 date2 id2 Continue reading...