
如果數學這麼有用,為什麼在金融市場還是會賠錢呢? If math works,why we still lose money in financial market?
"All model are wrong but some are useful" George E. P. Box 以歷史來看,最開始以數學來研究金融市場的,是Bachelier的博士論文Theory of Speculat...

"All model are wrong but some are useful" George E. P. Box 以歷史來看,最開始以數學來研究金融市場的,是Bachelier的博士論文Theory of Speculat...

通常在金融市場上,各個資產價格會彼此互相有相關,連動強度有些強,有些弱,有沒有什麼方法去模擬這樣的關係,而不是用常態分配這樣的假設呢? 有的,這就是Copula。 Copula, it is kind of function to describe the depend...

舉個例子來說,一籃股票,我們認為有其中幾檔的連動關係很強,我們要去模擬他們的關係。這時要怎麼做呢? Today,we will talk about how to simulate multivariate normal random variable by C...

“The problems of the world cannot possibly be solved by skeptics or cynics whose horizons are limited by the obvious realities. We ...

In finance, volatility clustering refers to the observation, as noted as Mandelbrot (1963), that "large changes tend to be followed ...

2015/12/11-12/15 在中研院舉辦的國際統計年會,今年的主題是高維度數據分析,也是目前最熱門的議題。隨著大數據時代的來臨,我們的資料越來越多變數,也就是高維度,而且資料量越來越大, 不管是統計上或是計算上都是新的挑戰,就算有全部的資料,但是因為資料太龐大不該...