Introduction Combining vectors is a fundamental operation in R programming. As an R programmer, you’ll often need to merge datasets, create new variables, or prepare data for further processing. This comprehensive guide will explore various met...

Introduction As a beginner R programmer, you may often need to compare two vectors to check for equality, find common elements, or identify differences. In this article, we’ll explore various methods to compare vectors in base R, including matc...

GLMNet in Python: Generalized Linear Models

Methods for comparing spatial patterns in raster data This is the sixth part of a blog post series on comparing spatial patterns in raster data. More information about the whole series can be found in part one. The blog post series on...

So, some months ago, I spent a few hours over a few days puzzled by something that turned out to be straighforwardly written up in the Stata manual, but not easily findable anywhere else. So I want to write it up, if only to have somewhere for future m...

Table of Contents Understanding Environment Variables The printenv Command Working with set Command The export Command Using alias Command Practical Applications Your Turn! (Interactive Section) Best Practices and Common Pitfalls Quick Takeawa...

About the author Nina Zumel is a data scientist based in San Francisco, with 20+ years of experience in machine learning, statistics, and analytics. She is the co-founder of the data science consulting firm Win-Vector LLC, and (with Joh...

R Dev Day @ SIP 2024 This year Shiny in Production hosted an “R Dev Day” split over the two days before the pre-conference workshops. R Dev Days are a new initiative of the R Contribution Working Group, providing an opportunity for R ...

Need to learn how to create a volcano plot in R and visualize differential gene expression effectively?Creating a volcano plot in R is essential for any researcher working with bioinformatics and RNA-Seq data. It allows you to easily identify which genes are upregulated or downregulated with significant changes between ...

Table of Contents Introduction Understanding the Basics Working with subset() Function Advanced Techniques Best Practices Your Turn FAQs References Introduction Data manipulation is a cornerstone of R programming, and selecting specific col...

Shanghai Composite does not seem to be at an ideal point for entry. Source code:

Introduction to Logical Operators Logical operators are fundamental building blocks in C programming that allow us to make decisions and control program flow based on multiple conditions. These operators work with Boolean values (true/false) an...

Introduction Data manipulation is a crucial skill in R programming, and subsetting data frames is one of the most common operations you’ll perform. This comprehensive guide will walk you through four powerful methods to subset data frames in R,...

Introduction Social network analysis examines individual entities and their relationships among them. The data is represented as a “graph” where individual entities are referred to as “nodes” and their relationships between them as “edges. A primary area of study in SNA is the analysis of interconnectivity of nodes, called ”communities” ...

Meltwater in crevasses in Greenland – CC-BY-NC by NASA’s Marshall Space Flight Center Day 11 of 30DayMapChallenge: « Arctic » (previously). We’ll use the Greenland 5 km DEM, Ice Thickness, and Bedrock Elevation Grids (J. Bamber 2001) from J. L. Bamber, Layberry, and Gogineni (2001) and Layberry and Bamber (2001). Download here (after registration). Data The ...

The tilde operator (~) is a fundamental component of R programming, especially in statistical modeling and data analysis. This comprehensive guide will help you master its usage, from basic concepts to advanced applications. Introduction The ti...

Many algorithms supporting AI and machine learning depend on the notion of embeddings. Data sets are mapped to or embedded in high-dimensional Euclidean vector spaces. Then, various mathematical strategies are employed to reduce data size by map...