Cotygodniowa dawka linków, czyli archiwum newslettera Dane i Analizy
Ocena modeli klasyfikacyjnych – od tablicy pomyłek do F1 – Data science in pl
Zrozumieć modele klasyfikacyjne. Tablica pomyłek, czułość, swoistość precyzja i F1 – opis i intuicyjne przykłady.
Word Embedding Techniques: Word2Vec and TF-IDF Explained
The words need to be made meaningful for machine learning or deep learning algorithms. Therefore, they must be expressed numerically. Algorithms such as One Hot Encoding, TF-IDF, Word2Vec, FastText enable words to be expressed mathematically as word embedding techniques used to solve such problems. (…)
10 new books added to Big Book of R
21 July 2021 In this post I’m highlighting 10 new books added to Big Book of R. Thank you to the authors for writing them and thanks to R Posts you might have missed who I got a bunch of these from. Hiring Data Scientists and Machine Learning Engineers Roy Keyes It’s quite possible that the only (…)
The State of the Web Analytics Landscape in 2021
The changes to the web over the last couple of decades have big implications on how we measure activity on websites Web analytics has evolved a lot over the last 25 or so years. From humble beginnings of Webtrends and analyzing raw server log files to understand what pages were being requested from (…)
Reading Spreadsheets with OpenPyXL and Python
There are a couple of fundamental actions that you will do with Microsoft Excel documents. One of the most basic is the act of reading data from an Excel file. You will be learning how to get data from your Excel spreadsheets. Editor’s note: This article is based on a chapter from the book: (…)
Lessons learned from 2 weeks of live crypto quant trading
All the backtrading in the world cannot replace the experience of real live automated trading of crypto, right? An under$tatement! Read on.
Forecasting Many Time Series (Using NO For-Loops)
Spending too much time on making iterative forecasts? I’m super excited to introduce the new panel data forecasting functionality in modeltime . It’s perfect for forecasting many time series at once without for-loops saving you time ⏱️ and aggravation 😞. Just say NO to for-loops for forecasting. (…)
Testing the Github Copilot Technical Preview
It’s intelligent and is a great way to enhance productivity by typing less and doing more! Continue reading on Towards Data Science »
Uber Data Scientist Interview Experience
From the recruiter’s email to the onsite interview, a detailed timeline of the interview process In this article, I will go through my experience interviewing for the Uber Data Scientist role for their San Francisco office. I will begin with my education/research profile and then move on to the (…)
Post Anything — building a RESTful API with FastAPI, MongoDB, and Docker
… includes an opinionated comment on a fellow blogger’s post for free. Continue reading on Geek Culture »
Dobry, zły i brzydki – Parę słów o Pandas UDF w Apache Spark | Tech Blog ING Bank Śląski
Spark to bardzo użyteczne narzędzie do pracy z Big Data. Niestety, czasem brakuje mu pewnych funkcjonalności. Na szczęście twórcy wyszli na przeciw oczekiwaniom użytkowników, dodając Pandas UDF, dzięki czemu zachowując elastyczność Pythona nie tracimy na wydajności. Zobaczmy więc, czym są i jak (…)
Sudoku Solver: Linear Programming Approach Using PuLP
A complete guide to solve Sudoku puzzle with Linear Programming (with code!) . Sudoku is a popular Japanese puzzle game that is based on the logical placement of numbers. It doesn’t require any special mathematics skills or calculations. Let’s look at an example below from Wikipedia: Source: (…)
How to Create a Dashboard to Track Anything With Plotly And Dash
Or “How I stopped using third-party apps to track my investments”! It’s really easy to get started with your own template. Spoiler alert: this is not my actual portfolio! Ever since I started investing my hard-earned money, I was obsessed with having some sort of dashboard or tool that would allow (…)
Web Visualization with Plotly and Flask.
Data Visualization Why use Dash when Plotly plus Flask is easy and more flexible A multi-page web app using Plotly and Flask — image by author Why would you want to write HTML in Python? It baffles me. But that is what you need to do if you want to write a Dash app. While I understand that there is (…)
Zestawienie linków przygotowuje automat, wybacz więc wszelkie dziwactwa ;-)