Rstats 101

Learn R Programming Tips & Tricks for Statistics and Data Science

Welcome to Rstats 101 - your guide to learning R programming and statistics with practical, hands-on tutorials.

How to Use Embeddings and Semantic Search in R

Learn to create text embeddings and build semantic search in R. Use OpenAI embeddings, cosine similarity, and find related documents by meaning.

How to Analyze Sentiment with LLMs in R

Learn to analyze sentiment in text using LLMs in R. Classify reviews, social media, and feedback as positive, negative, or neutral without training…

How to Classify Text with LLMs in R

Learn to classify text into categories using LLMs in R. Categorize documents, tag content, and label data without training ML models.

How to Extract Structured Data with LLMs in R

Learn to extract structured data from text using LLMs in R. Parse names, dates, products, and entities from unstructured text into clean data frames.

How to Run Local LLMs in R

Learn to run local language models in R using Ollama. Free, private, offline LLM access with no API costs. Use Llama 3, Mistral, and other open…

How to Use Claude API in R

Learn to use Anthropic’s Claude API in R with the ellmer package. Connect to Claude 4, create conversations, use tool calling, and build AI…

How to Use ellmer in R

Learn to use the ellmer package for LLM interactions in R. A tidyverse-friendly interface supporting OpenAI, Claude, Ollama, and more with…

How to Use Gemini API in R

Learn to use Google’s Gemini API in R with the ellmer package. Connect to Gemini Pro, create conversations, and build AI-powered R applications.

How to Use OpenAI API in R

Learn to use ChatGPT and OpenAI’s API in R. Connect to GPT-4, generate text, create chat completions, and build AI-powered R applications.

How to create all combinations with expand_grid() in R

Learn create all combinations with expand_grid() in r with clear examples and explanations.

Effect of centering and scaling data in R

Learn effect of centering and scaling data in r with clear examples and explanations.

How to calculate covariance in R

Learn calculate covariance in r with clear examples and explanations.

How to calculate Pearson correlation in R

Learn calculate pearson correlation in r with clear examples and explanations.

How to format currency in gt tables in R

Learn format currency in gt tables in r with clear examples and explanations.

How to count unique values with n_distinct() in R

Learn count unique values with n_distinct() in r with clear examples and explanations.

How to get the first row of each group in R

Learn get the first row of each group in r with clear examples and explanations.

How to get the last row of each group in R

Learn get the last row of each group in r with clear examples and explanations.

How to get top and bottom rows of each group in R

Learn get top and bottom rows of each group in r with clear examples and explanations.

How to update rows in a dataframe with rows_update() in R

Learn update rows in a dataframe with rows_update() in r with clear examples and explanations.

How to use anti_join() to find non-matching rows in R

Learn use anti_join() to find non-matching rows in r with clear examples and explanations.

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Browse by Topic

dplyr

59 tutorials

Data manipulation with filter, select, mutate, joins & more

tidyr

22 tutorials

Reshape data with pivot_wider, pivot_longer, separate & unite

ggplot2

22 tutorials

Create beautiful visualizations with the grammar of graphics

Statistics

31 tutorials

T-tests, ANOVA, regression, correlation & more

How-To

53 tutorials

Practical guides for common R tasks

Base R

21 tutorials

Core R programming fundamentals