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说明：本文写于 2026-05-12。所有产品判断都是基于当下公开信息。健康监测部分只讨论消费级设备的使用边界，不构成医疗建议；涉及诊断、用药、血压、心律、血糖和睡眠呼吸暂停，请以医生和合规医疗设备为准。 先给结论：这不是一个市场 运动手 …

Growing up and going through grad school, I’ve always admired people who possess a high level of thought clarity. …

I traveled to Guatemala from 03/28 to 04/06. It was the Catholic Holy Week (Semana Santa). I arrived in the evening of …

For lack of a better title I am using this popular quote from the endurance running community. It says that the marathon …

¡2025 esta aquí! Estoy emocionada y feliz cuando reviso que paso en 2024 porque hay muchos cambios y muchas experiencias …

It is the familiar holiday season again and I feel it’s time to look back at 2023, reflect and summarize what had …

This year, I’ve been trying to read something other than statistics. My new-year gift for myself was a Kindle …

Time passes unbelievably fast and here comes the end of 2022! It has been a year with a lot of personal growth and I …

Recently I traveled to Houston and got my first tattoo done. I have been thinking about getting a tattoo for years …

Today something good happened in my life. I will share more when it is appropriate. Overall I am exhausted, having …

Here is a bucket list, and it will be actively updated (and hopefully also actively checked) in the future. Below I …

I have always been puzzled and amazed by the idea of “embedding”. A high-dimensional space, such as a corpus …

This winter I took my very first paid time off (PTO) in my life after starting a job. During a period of 18 days, I have …

I have been a Mac user for more than 6 years now, yet occasionally I have been attracted by Linux. Compared with Mac, I …

Another important type of data is the time-to-event structured survival data, which I worked on during my entire PhD …

Following my last post on using tensorflow for linear regression, in this post I am going to extend the scope to …

Docker has been a really convenient tool for me to play with, and it has helped me both in terms of doing research and …

Some good practices on R, Python and bash programming, as well as a little note for myself. R Use .rds when saving only …

Good tools can often boost productivity. I enjoy using the macOS a lot because of its Unix nature, delicate GUI, and its …

Recently I was asked by a friend for help. The background is that people in large cities, such as Shanghai, sometimes …

The three Zazzi babies have grown bigger! The photos are taken on May 24th.

It is only until recently that I come to realize the importance of professional academic writing. After revising one of …

There are many packages in R that facilitate parallel computing. In this post, I intend to summarize some of the most …

I disappeared from blogging for a few days…here are some news: A paper receives a major revision! New simulations …

I used to be an user of Sublime Text 3, which I think is a very nicely made app. The major usage of Sublime Text 3 for …

Nearly all companies use machine learning to do classification now. When it comes to deciding which model best suits the …

My very first industry interview was in college, interviewing for summer intern at Deloitte Beijing. About 10 students …

No - I’m not having babies. Perhaps will in the future, but not today. But - Zazzle Dazzle (aka Zazzi) gave birth to …

1. Why WeChat is getting more and more bulky. The newest version on iOS is now of 230MB size. For people who only use …

1. Before we get started I assume you have: knowledge about how to use ssh to connect to remote servers via terminal on …

Updated 04/14: Tensorflow Updated 04/12: Ubuntu This image is particularly useful when you want to utilize some of the …

Vim is a powerful text editor that is free and open-source. It is highly configurable. It can be accessed via terminal …

I would like to in this post, explain why I like to use Git for version control, and provide a little guide for starters …