R - Basic Introduction
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This document provides an overview of key concepts in R including: - Common plots like basic plots, lattice plots, and ggplot2 plots that can be saved in different file formats - Functions for reading and writing data from files, databases, and the web - Common programming structures like functions, classes, control flow, and vectors - How to get help in R using the ? operator and resources like RjpWiki - That R can be used on different operating systems even without a GUI
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• Layer [ save, load, data, file, seek, dput, dget,
parse, write, scan, etc... ]
• Layer [ read.csv, write.csv, read.table,
write.csv, etc... ]
• Layer [ write.graph, read.graph, sqlFetch, etc... ]
• http://cran.r-project.org/doc/manuals/R-data.html](https://image.slidesharecdn.com/20110922-110922175132-phpapp02/85/R-Basic-Introduction-5-320.jpg)
R - Basic Introduction
- 1. R
- 2. R • • • • •
- 3. • • • • • • etc
- 4. • plot • plot(x=..., y=..., xlab=”...”, ylim=..., ...) • plot(sin, xlim=...) • • lattice, rgl, igraph plot • levelplot, rglplot • ggplot • (quartz, eps, png, svg, etc)
- 5. • • or • Layer [ save, load, data, file, seek, dput, dget, parse, write, scan, etc... ] • Layer [ read.csv, write.csv, read.table, write.csv, etc... ] • Layer [ write.graph, read.graph, sqlFetch, etc... ] • http://cran.r-project.org/doc/manuals/R-data.html
- 6. • function • class • if, for, while,... • {} • +, -, *, /, %%, %*%, ^,... • vector, list, dataframe, matrix,... •
- 7. • Unix • Linux • Mac • Windows • ※even if you don’t have GUI system
- 8. • ? • RjpWiki
- 9. RjpWiki • R • R 100+ • Tips • RjpWiki