Siqi Zhu – Medium

Siqi Zhu

Siqi Zhu

LDAvis: a deep dive into the popular topic modeling tool

Did you happen to stumble across my article on the use of topic modeling in feature engineering? This article takes a closer look at these…

Mar 6, 2023

LDAvis: a deep dive into the popular topic modeling tool

Mar 6, 2023

Siqi Zhu

Upcycle High Cardinality Features Using Topic Modeling

Any thoughts on how you would use the below ‘semi-fixed’ categorical features in a predicative model?

Sep 22, 2022

Upcycle High Cardinality Features Using Topic Modeling

Sep 22, 2022

Siqi Zhu

All the nooks and crannies — data scraping for your next data science project: batch download .CSV

In a previous article, I wrote about putting together datasets for a recent data science project on Toronto’s Bike Share usage, and how I…

May 24, 2022

All the nooks and crannies — data scraping for your next data science project: batch download .CSV

May 24, 2022

Siqi Zhu

All the nooks and crannies — data scraping for your next data science project: import URL JSON data…

Other than the common CSV files, JSON, or ‘JavaScript Object Notation’, is another popular data format to store data on the web. It’s…

May 12, 2022

All the nooks and crannies — data scraping for your next data science project: import URL JSON data…

May 12, 2022

Siqi Zhu
in
CodeX

How I Extract Dashboard KPI Data with Selenium

Interactive dashboards are nothing new to the business intelligence world. Yet as we ride through the many waves of Covid-19 in 2020, these…

Oct 14, 2021

How I Extract Dashboard KPI Data with Selenium

Oct 14, 2021

Siqi Zhu
in
CodeX

Beyond the basics: here are 3 ways I have used JavaScript in Selenium

Basic WebDriver commands are what most of us starts with, and can pretty much do anything needed to interact with a webpage, such as…

Jul 27, 2021

Beyond the basics: here are 3 ways I have used JavaScript in Selenium

Jul 27, 2021

Siqi Zhu

Yes, you can enter text into a read-only Text box

And it doesn't involve ‘open sesame’.

Jun 10, 2021

Yes, you can enter text into a read-only Text box

Jun 10, 2021

Siqi Zhu

RSelenium, will work for free

Are you looking for someone to take over the repetitive web data scraping tasks? Consider RSelenium as your new assistant, for free!

May 12, 2021

RSelenium, will work for free

May 12, 2021

Siqi Zhu

Automate Two-factor Authentication with RSelenium

Many websites these days require two-factor authentication (2FA) at login, which presents a challenge for automation. I ran into this…

May 5, 2021

Automate Two-factor Authentication with RSelenium

May 5, 2021

Siqi Zhu

Siqi Zhu

Many things data. All aspects of fun. You will find tips and tricks that I have curated from data extraction, modeling, analysis, and visualization.

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