相关系数的可能误差不是可以从第一原理推导出来的东西,而是必须通过经验找到的。
Love is a kind of patience.
Innovation in oil and gas doesn't stop because the world is moving to lower carbon solutions.
我现在生活的全部信念在于,孤独远非一种罕见而奇特的现象,它不仅仅是我和少数其他孤独者的特质,而是人类存在的核心和不可避免的事实。
Loneliness is the price you pay for freedom.
Life is a balance between what we can control and what we cannot. I am learning to live between effort and surrender.
The best way to learn econometrics is by doing—working with real data and real problems.