Table 1.
Top 30 keywords of frequency and TF-IDF

No Word Frequency TF-IDF No Word Frequency TF-IDF
1 Citizen(주민) 3,151 1 1 Necessary(필요) 1,004 753
2 Seoul grand park(서울대공원) 2,248 67 2 Tree(나무) 1,232 742
3 Hangang river(한강) 2,070 114 3 Family(가족) 1,196 727
4 Site(부지) 2,020 6 4 World(세계) 1,273 726
5 Government(정부) 1,978 250 5 Designation(지정) 1,487 703
6 National park(국립공원) 1,831 330 6 Around(일대) 881 676
7 City(도시) 1,796 2 7 Downtown(도심) 974 661
8 Animal(동물) 1,767 607 8 Program(프로그램) 1330 653
9 Event(행사) 1,736 1 9 Plan(방안) 891 649
10 Construction(공사) 1,695 1 10 Figure(모습) 856 647
11 Environment(환경) 1,650 1 11 Race(경기) 841 644
12 Experience(체험) 1,613 356 12 Build(건립) 1,308 642
13 Korea(한국) 1,613 1 13 Road(도로) 1,175 639
14 Ecology(생태) 1,598 18 14 Decision(결정) 946 639
15 Development(개발) 1,596 344 15 Yeouido(여의도) 1,150 628
16 History(역사) 1,589 12 16 Various(다양) 735 626
17 Child(어린이) 1,587 24 17 Result(결과) 820 625
18 Designation(지정) 1,487 703 18 Open(개장) 923 621
19 Hour(시간) 1,435 1 19 Show(공연) 1,392 618
20 Hangang park(한강공원) 1,421 545 20 Including(포함) 740 614
21 Plaza(광장) 1,418 125 21 Free(무료) 844 609
22 Zoo(동물원) 1,400 497 22 Animal(동물) 1,767 607
23 Show(공연) 1,392 618 23 Use(사용) 892 606
24 Children's grand park(어린이대공원) 1,370 544 24 Hold(개최) 729 594
25 District(지구) 1,341 559 25 Inspection(조사) 941 591
26 Program(프로그램) 1,330 653 26 Varieties(각종) 695 589
27 Build(건립) 1,308 642 27 Mayor(시장) 1,203 587
28 World(세계) 1,273 726 28 Between(사이) 689 580
29 Tree(나무) 1,232 742 29 Announcement(발표) 754 577
30 Mayor(시장) 1,203 587 30 State(상태) 696 575