At the EEX, German baseload electricity futures for the year 2023 trade at a price of 950 Euro / MWh and peak load futures at 1275 Euro / MWh. Future prices for France are even higher. (Prices were looked up on 2022-08-28). In contrast, average German...

Introduction The previous post showcases the rrapply() function in the minimal rrapply-package as a revised and extended version of base rapply() in the context of nested list recursion in R. For quick data exploration of a nested list it can make sense to keep the list in its original nested ...

About a decade ago, I discovered the game Ruby Warrior by Ryan Bates. The concept was simple: get to the top of the tower to reach the precious Ruby. Instead of controlling the warrior directly, you write an AI to conquer each level. Levels start off ...

While writing my posts about COVID’s effect on NYC Subway ridership the New York Times published an article called The Pandemic Wasn’t Supposed to Hurt New York Transit This Much. The article states: I believe the 80% target by 2026 comes from a McKinsey study. While I don’t know ...

Ninety-four new packages stuck to CRAN in July. Here are my “Top 40” selections in thirteen categories: Climate Modeling, Computational Methods, Data, Ecology, Genomics, Machine Learning, Mathematics, Medicine, Networks, Proteomics, Statistics, Utilities, and Visualization. Climate Modeling climetrics v1.0-5: Provides a framework that facilitates the spatio-temporal analysis of climate dynamics through ...

Github is collecting various images on their Instagram and Twitter that looks like a contribution graph. Well, why not create one in R with randomly generated data and the use of the ggplot library. Run the function by yourself: And…Read more ›

The post Python is superior to R for writing quality codes appeared first on finnstats. If you are interested to learn more about data science, you can find more articles here finnstats. Python is superior to R for writing quality codes!. R is good for short and dirty analysis, but ...

The post What is the bias variance tradeoff? appeared first on Data Science Tutorials What is the bias-variance tradeoff? The bias-variance tradeoff is a crucial idea in supervised machine learning and predictive modeling, regardless of the situation. There are many supervised machine learning models from which to pick when training ...

Are spot market natural gas prices in Europe mainly determined by the available world-wide LNG supply or does a bottleneck in the number of usable European LNG terminals increase prices to even substantially higher levels? To get some insight into this...

The post Surprising Things You Can Do With R appeared first on finnstats. If you are interested to learn more about data science, you can find more articles here finnstats. Surprising Things You Can Do With R, R has changed the way we think about data. R has had a ...

The post How to handle Imbalanced Data? appeared first on Data Science Tutorials How to handle Imbalanced Data?, What do datasets from industries like real-time marketing bidding, network intrusion detection, and fraud detection in banking have in common? Less than 1% of infrequent but “interesting” events are frequently included in the ...

In 400 AD, in his Confessiones, Augustine wrote quid est ergo tempus? si nemo ex me quaerat, scio; si quaerenti explicare velim, nescio that can be translated as What then is time? If no one asks me, I know what it is. If I wish to explain it to him who ...

Learn how to control your R Shiny development with a collaborative and agile deployment to production. Continuous Integration (CI) and Continuous Deployment (CD) stand at the basis of a robust, maintainable and collaborative productive code. In this...

Notatki do referatu “Matematyka w komiksie” przedstawionego na Szkole Matematyki Poglądowej 2022. Celem referatu jest wymiana doświadczeń związanych z zastosowaniem komiksu w popularyzacji i nauczaniu matematyki i statystyki oraz przedstawienie motywac...

This is part one of our three part series Part 1: Python API deployment with RStudio Connect: Flask (this post) Part 2: Python API deployment with RStudio Connect: FastAPI (to be published) Part 3: Python API deployment with RStudio Connect: Streamlit (to be published) RStudio recently announced they are changing to Posit. Their ...

The Kelly criterion is a way to optimise an unlimited sequence of bets under the following circumstances: a probability p of winning each bet, a loss of a fraction a of the sum bet, a gain of a fraction b of the sum bet, and a fraction f of the ...