The Best Practice to Link CUSIP to PERMNO
WRDS provides numerous tables for you to link CUSIP to PERMNO. This post introduces the best practice to do that using the
wrds_names_query table.
Yu Zhu "祝宇"
Assistant Professor, Information Systems
University of Delaware, USA
Ph.D., Information Systems
University of Utah, USA
Ph.D., Finance
Zhejiang University, China
The Correct Way to Average Embeddings Using a Mask
How to average embeddings of a sequence using a mask?
One Figure to Summarize Pytorch Memory Management
One Figure to Summarize Pytorch Memory Management
Tokenizer, Dataset, and "collate_fn"
When training a language model, there’re three possible places to tokenize your text. Which one is the most efficient?
(R) Dealing with CCM Consecutive Date Ranges
The linking tables in CCM often have consecutive date ranges. How to collapse them?
NAICS Download
NAICS classification (as CSV tables) download
(WIP) Data Wrangling Practice for Business School Students
A collection of solutions for data wrangling problems, tailored for business school students
A Short Introduction to Investor Networks
What’s an Investor Network, how to build one, and what can we do with it?