이건 에반데
train = train[train['sulphates'] <= 1.1]
train = train[train['density'] <= 1.01]
train = train[train['free sulfur dioxide'] <= 100]
train = train[train['chlorides'] <=0.19]
train = train[train['citric acid'] <=1.0]
train = train[train['fixed acidity'] <=13.6]
train = train[train['total sulfur dioxide'] <=285]
train = train[train['volatile acidity'] <=1.1]