여러가지 메서드

# math.csv fdf2 = pd.read_csv('math.csv') print(fdf2) fdf2_1 = pd.read_csv('math.csv', index_col='year') print(fdf2_1) print(fdf2_1.head(3)) print(fdf2_1.sum()) print(fdf2_1.sum(axis=1)) print(fdf2_1.describe()) print(fdf2_1[1:3]) #1행에서 3행앞까지 추출 print(fdf2_1['KOR']) print(fdf2_1[fdf2_1['KOR']>=540]) print(fdf2_1[fdf2_1['KOR']>=540][['KOR', 'USA']]) # 열추가 avg fdf2_1['avg'] = (fdf2_1['JPN'] + fdf2..

2022.10.09