ZhiZhi Gewu

In my current company, Seamoney, there are two major teams responsible for managing the credit risk of the consumer loan portfolio: the Data Science Team (DS team) and the Credit Policy Team (Policy Team). Many of my colleagues, including myself in the Policy Team, have often wondered about the differences

While diving deep into the proofs of the Fundamental Theorem of Calculus by Barrow, Leibniz, and Newton, I stumbled upon an intriguing topic – the historical development of calculus. I found myself wishing that my teachers had taken this historical approach, which brings added depth and interest to the cold precision

Recently, I am reading the book Calculus by Michael Spivak as usual and made it to the Fundamental Theorem of Calculus. While I understand the steps of the proof, I found it hard to develop the intuition and the meaning of the Theorem which states as follows: If we investigate

I initially planned to pen down this blog post after completing Michael Spivak’s Calculus. However, with my motivation dwindling near the end, I thought it best to start early. The primary impetus for delving deeper into mathematics is its indispensable role in comprehending science, and in turn, our world.

Randomized Controlled Trials (RCTs) are renowned as the gold standard in clinical trials, predominantly used to gauge the efficacy of new treatments. However, the applicability of RCTs extends far beyond merely clinical trials. In my line of work, we employ randomized experiments to evaluate the performance of varying credit underwriting

Many individuals grapple with job satisfaction and long-term career goals. While some may not be content with the rate of their professional growth within their current organization, others may be introspective, contemplating their aspirations and objectives for the future. This article focuses on the latter group, a mentality that I