我有一个UIView,我想要为翻转提供动画效果。这与UIViewAnimationOptionTransitionFlipFromTop不同,因为它将轴放置在视图的中间。我想让轴在视图的top处,这样它就像一张纸从top axis翻转一样翻转(而不是页面剥离)。
[UIView transitionWithView:self.view duration:0.6
options:UIViewAnimationOptionTransitionFlipFromTopAxis // <---- Wish there was an option like th
我将一些数据分成了两类,使用LinearDiscriminantAnalysis分类器从sklearn中分离出来,而且效果很好,所以我这样做了:
from sklearn.cross_validation import train_test_split
from sklearn.discriminant_analysis import LinearDiscriminantAnalysis as LDA
x_train, x_test, y_train, y_test = train_test_split(x, y, test_size=0.25) # 25% of the dataset a