R Lesson 5: ggplot2 Charts
Make clean charts with ggplot2: the aesthetics-geometry idea, bar and line charts, ordering bars, labels and themes, and saving PNGs for reports.
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Statistics and data analysis with R.
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Statistics and data analysis with R.
📄 8 articles⬇️ 8 with practice files🕒 Updated 12 Oct 2026
🎓 Start here: Rust Course → 🎓 Start here: Java Course → 🎓 Start here: R Course →Beautiful Charts in R with ggplot2 (for Excel Users)
Beautiful Charts in R with ggplot2 (for Excel Users)
Build bar, line and scatter charts in R with ggplot2, and learn the “grammar of graphics” idea that makes every chart the same few…
Read article →R Lesson 4: dplyr — filter, mutate, summarise
R Lesson 4: dplyr — filter, mutate, summarise
Analyse data with dplyr verbs: filter rows, mutate new columns, arrange, group_by and summarise — the R equivalent of filters, formulas and pivot tables.
Read article →R Lesson 6: Project — A Sales Analysis Report
R Lesson 6: Project — A Sales Analysis Report
Combine reading, dplyr and ggplot2 into a repeatable analysis: KPIs, product summary, charts and output files, plus a pointer to R Markdown/Quarto reports.
Read article →R Lesson 3: Reading CSV and Excel
R Lesson 3: Reading CSV and Excel
Load data into R with readr::read_csv and readxl::read_excel, check columns and types, handle dates and missing values, and write results back out.
Read article →R Lesson 2: Vectors and Data Frames
R Lesson 2: Vectors and Data Frames
R’s building blocks: vectors and vectorised maths, data frames as tables, selecting rows and columns, and checking structure with str and summary.
Read article →R Lesson 1: Install R and RStudio
R Lesson 1: Install R and RStudio
Install R and RStudio, find your way around the four panes, run code in the console and scripts, install packages, and set a project…
Read article →R for Excel Users: Your First Data Summary in 15 Lines
R for Excel Users: Your First Data Summary in 15 Lines
Start with R using a task you know from Excel: import a spreadsheet, summarise it by group, and draw a chart — in about…
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