Oct 31, 2025 · To download R, please choose your preferred CRAN mirror. If you have questions about R like how to download and install the software, or what the license terms are, please read our …

Please see the R FAQ for general information about R and the R Windows FAQ for Windows-specific information.

Oct 31, 2025 · R is ‘GNU S’, a freely available language and environment for statistical computing and graphics which provides a wide variety of statistical and graphical techniques: linear and nonlinear …

Rtools is a toolchain bundle used for building R packages from source (those that need compilation of C/C++ or Fortran code) and for building R itself. Rtools45 is currently used for R 4.5 and R-devel, the …

For simplicity let r and off denote a single column and element corresponding to each other: then r [off [j]: (off [j+1]-1)] contains the rows of the full matrix corresponding to row j of the stored matrix. The …

The 'ggplot2' package is excellent and flexible for elegant data visualization in R. However the default generated plots requires some formatting before we can send them for publication.

References Efron, B. and Tibshirani, R. (1986). The Bootstrap Method for standard errors, confidence intervals, and other measures of statistical accuracy. Statistical Science, Vol 1., No. 1, pp 1-35. …

The Seurat Class Description The Seurat object is a representation of single-cell expression data for R; each Seurat object revolves around a set of cells and consists of one or more Assay objects, or …

Time-zone manipulation Description time_at_tz returns a date-time as it would appear in a different time zone. The actual moment of time measured does not change, just the time zone it is measured in. …

Another classic data set is the 9 variable Thurstone problem which is discussed in detail by R. P. McDonald (1985, 1999) and and is used as example in the sem package as well as in the PROC …