Learn to use fitdistr function in R (from MASS package) with this practical Q&A guide. Includes syntax, examples for Normal, Weibull, and Poisson distributions, and graphical visualization techniques for data analysis. What is fitdistr() function? What is the generic syntax of fitdistr() function? Give Examples of fitting a Probability Distribution to Data using fitdistr() Function. Example 1: Fitting a Normal Distribution…

Unlock the power of R programming! This R Data Structures guide explains core concepts like data structures themselves, vectorization in R, recycling, and atomic vectors with clear examples to write efficient and effective R code. What are R Data Structures? What is vectorization in R? What is Recycling in R? Why is Vectorization So Important? Explain different types of atomic vectors in R?

Learn how to calculate z scores in R with this step-by-step tutorial. Use R's powerful functions to standardize your data and analyze its distribution. Computing Z Scores in R Z-Score Transformation in R Transforming a Variable to Z-Score in R Calculating Z Scores in R Manually Given a distribution with mean $\overline{x}$ and standard deviation $s$, a location-scale transformation known as a Z-score will shift the distribution to have mean 0 and scale the spread to have standard deviation 1:

Learn everything about R graphics devices—types, default behavior, and best choices for saving high-quality plots. Discover key functions like abline() for adding reference lines and hovplot() in the HH package for effect analysis. This R Graphics Devices guide covers multiple methods to save graphs (PNG, PDF, SVG) and answers FAQs for R users. Perfect for beginners and experts on…

Guest column by Harvey Motulsky

Learn how to generate, operate on, and modify lists in R programming. Complete guide covering list creation, element updates, deletion methods, and practical examples for efficient data management. Explain how to generate lists in R Programming? Using Colon Operator Using the list() function Using lapply() to generate lists Explain how to operate on lists in R Programming? Checking list properties…

A Short Tutorial on using HPC for meeting your computing needs in R

The Epi R Handbook is an R reference manual for applied epidemiology and public health.

Learn key R functions Explained: like sort(), search(), subset(), sample(), all(), and any() with practical examples. Discover how to check if an element exists in a vector and understand the differences between all() and any(). Perfect for R beginners!" learn Q&A guide on sort(), search(), subset(), sample(), all(), any(), and element checks in vectors. Boost your R skills today!" Which function is used for sorting in the R Language?

YouTube video by Tom Spoors

Running RStudio in a rootless container on Linux, to avoid the pains of R package management.

Test your Matplotlib skills with this 20-question Matplotlib Python Quiz! Perfect for students, data analysts, and data scientists preparing for job interviews. Test your knowledge about line plots, histograms, subplots, labels, legends, and more. Includes answers to help you master data visualization in Python! Let us start with the Online matplotlib Python Quiz now. Online Matplotlib Python Quiz with Answers…

Learn about the glm() function in R with this comprehensive Q&A guide. Understand logistic regression, Poisson regression, syntax, families, key components, use cases, model diagnostics, and goodness of fit. Includes a practical example for logistic regression using glm(). What is the glm() function in R language? What is Logistic Regression? What is the Poisson Regression? What is the general syntax of the glm() function in R Language?