While studying time series analysis, I came across a remarkable method — Singular Spectrum Analysis. I decided to try it out by breaking down the prices of men's T-shirts. In this article I'll walk through how I decomposed a series of weekly prices into its components: trend, periodic fluctuations, ...
In this article I'll describe how I designed and built an AI assistant for the company's HR service. The AI assistant searches for answers in company documents and databases, and also answers general questions unrelated to work. It works on a two-pass scheme with a classifier, and it does not send s...
We launched an internal HR service for employees in the form of a Telegram bot. This service publishes news and information about working at the company, sends notifications and surveys to users. Content is managed by an HR manager through the spreadsheet service Seatable. Meanwhile, the bot's Pytho...