Summary Convert the elements of a numerical vector or data frame column to character strings in which the numbers are formatted using powers-of-ten notation in scientific or engineering form and delimited for rendering as inline equations...

Nicolas Nguyen works in the Supply Chain industry, in the area of Demand and Supply Planning, S&OP and Analytics, where he enjoys developing solutions using R and Shiny. Outside his job, he teaches data visualization in R at the Engineering School EIGSI and Business School Excelia in the city ...

Exercise template with both theory and applied questions, as well as interpretation and code upload, about simple linear regression based on a randomly-generated CSV file. Name: lm3 Type: cloze Related: lm, lm2,...

Exercise template with both theory and applied questions about simple linear regression based on a randomly-generated CSV file. Name: lm2 Type: cloze Related: lm, gaussmarkov, lm3 Description: Cloze with ...

Introduction Jinja is a powerful templating engine that is useful in a variety of contexts. Recently, I discovered how its possible to use the power of Jinja syntax in R with the jinjar package written by David C Hall. With jinjar and the tidyRSS package by Robert Myles it is ...

The post PCA for Categorical Variables in R appeared first on finnstats. If you are interested to learn more about data science, you can find more articles here finnstats. PCA for Categorical Variables in R, Using Principal Component Analysis to minimize the dimensionality of your data frame may have crossed ...

Simple Data Science (R) covers the fundamentals of data science and machine learning. The book is beginner-friendly and has detailed code examples. It is available at scribd. Topics covered in the book – Data science introduction Basic statistics Graphing with ggplot2 package Exploratory Data Analysis Machine Learning with caret package Regression, ...

The post How to combine Multiple Plots in R appeared first on finnstats. If you are interested to learn more about data science, you can find more articles here finnstats. How to combine Multiple Plots in R, recently came across Thomas Lin Pedersen’s patchwork program, and how simple it ...

The post Add Significance Level and Stars to Plot in R appeared first on Data Science Tutorials What do you have to lose?. Check out Data Science tutorials here Data Science Tutorials. Add Significance Level and Stars to Plot in R, In this article, I’ll show you how to ...

This blog post is a summary of Chapters 9 and 10 of this ebook I wrote for a course The goal is the following: we want to write a pipeline that produces some plots. We want the code to be executed inside a Docker container for reproducibility, and we want this container ...

A riddle about leap years: a solar year consists of approximately 365.24217 mean solar days, which is why there is a leap year approximately every four years. Approximately because the Gregorian calendar plans 97 and not 100 leap years over 400 years. Is this the optimal solution? No, since the Gregorian difference is 3.3 10⁻⁴ […]