Search notes:

Index to (some) R functions

`abbreviate`
`abline`
`acf`
`addmargins`
`append`
`apply`
`apropos`
`args`	Show the argument names and default values of a function or a primitive.
`as.Date`	Converts from a character representation of a date to an object whose `class` is `Date`.
`class`	is `Date`.
`as.integer`
`as.factor`
`as.vector`
`asNamespace`
`as.name`	is identical to `as.symbol`.
`as.numeric`
`as.POSIXct`
`as.POSIXlt`
`as.symbol` is identical to `as.name`
`assign`
`as.table`
`attach`
`attr`
`attributes`
`barplot`
`baseenv`
`body`
`boxplot`
`bquote`
`browser`	can be used for debugging purposes.
`c`	construcs a vector.
`casefold`	converts a character vector to upper or lower case, depending on the value of the parameter `upper`.
`cat`
`cbind`
`character`
`charToRaw`
`chartr`
`choose`
`chooseCRANmirror`
`citation`
`class`
`col2rgb`
`colnames`
`colorRampPalette`
`colors`
`combn`
`contour`
`coplot`
`cummax`
`cumsum`
`curve`
`cut`
`data`
`data.frame`
`dbinom`
`decompose`
`demo`	runs some R scripts to demonstrate R functionality.
`density`
`deparse`
`detach`
`dev.new`
`dev.off`
`dev.size`	reports the dimensions of the current device.
`dget`
`diag`
`diff`
`difftime`
`dim`
`dimnames`
`dist`
`do.call`	can be used to construct a function call with dynamic arguments.
`dotchart`
`download.file`	to download a file from the internet.
`dput`	dumps an object as R code.
`dump`
`Encoding`
`environment`
`emptyenv`
`eval`
`expand.grid`
`expression`
`factor`
`factorial`
`file`
`file.choose`
`file.edit`	to edit or create a file.
`file.exists`
`file.path`
`file.show`
`filled.contour`
→	development/languages/R/functions/findInterval[`findInterval`] searches in a vector of »ranges« for the interval that a given value belongs to.
`fitted`
`for`
`format`
`formatC`
`ftable`
`getOption`
`getwd`
`gray`
`gregexpr`
`grep`	search for regular expressions
`gl`	creates factors.
`globalenv`
`grid`
`gsub` and `sub`	replace substrings that match a regular expressions.
`hclust`
`head`
`heatmap`
`help`	gets help on an R function.
`help.search`
`help.start`	opens the documentation's table of (html) contents in a webserver with links to all the installed documentation.
`hist`
`history`
`iconvlist`
`identical`	tests if two objects are exactly equal.
`identify`
`ifelse`
`image`
`install.packages`
`installed.packages`
`interactive`
`intersect`
`IQR`
`isatty`
`is.atomic`
`is.element`
`is.factor`
`is.integer`	tests if an object is of type integer.
`is.list`
`is.matrix`
→	development/languages/R/functions/is/name[`is.name`] is identical to `is.symbol`.
`is.numeric`
`is.symbol` is identical to `is.name`.
`ISOdate`
`ISOdatetime`
`is.unsorted`
`is.vector`	to test if an object is an (atomic) vector or a list that has no attributes set except `names`.
`jitter`
`kmeans`
`lapply`	Applies a function to each element of a vector.
`layout`
`legend`
`length`
`levels`
`.libPaths`
`library`
`lines`
`list`
`list.files`
`lm`
`load`
`log`
`lower.tri`
`ls`
`ls.str`
`mapply`
`margin.table`
`match`
`matplot`
`matrix`
`max`
`mean`
`median`
`message`
`methods`
`min`
`missing`	determines if an argument was provided a value when a function was called.
`mode`
`names`
`nchar`	to return the length of a string or lengths of a string vector.
`ncol`
`new.env`	creates a new environment.
`noquote`
`nrow`
`numeric`
`objects`
`on.exit`	records a function to be called when the current function exits.
`optimize`
`options`
`order`
`outer`
`pacf`
`pairs`
`par`
`parse`
`paste` and `paste0`	to concatenate strings (`paste` with, `paste0` without spaces between them).
`pbinom`
`pdf`
`persp`
`pie`
`plot`
`pmax`
`pmin`
`png`
`points`
`polygon`
`predict`
`print`
`prop.table`
`quit`	terminates the current R session
`qqnorm`
`qqplot`
`quantile`
`quote`
`R.home`
`rainbow`
`range`
`rank`
`rapply`
`rbind`
`rbinom`
`readRDS`
`read.csv`
`read.delim`
`read.fwf`
`read.table`
`readline`	reads a line from the terminal (= stdin?)
`readLines`	read (possibly unformatted) text line by line
`rep`
`rep.len`
`replicate`
`require`
`resid`
`rev`
`rgamma`
`rgb`
`rm`
`rnorm`
`round`
`rownames`
`rowSums`
`rpois`
`RSiteSearch`
`runif`
`sample`
`sapply`
`save`
`save.image`
`scan`
`scatter.smooth`
`sd`
`search`
`segments`
`setNames`
`seq`
`seq_along`
`seq_len`
`sessionInfo`
`setdiff`
`setequal`
`set.seed`
`setwd`
`solve`
`sort`
`source`
`split`
`sprintf`	is a wrapper around the C function `printf`.
`stack`
`stem`
`stopifnot`
`str`	displays the internal structure of an R object.
`strftime`
`stripchart`
`strptime`
`strsplit`
`structure`
`sub` and `gsub`	replace substrings that match a regular expressions.
`subset`
`substr`
`substring`
`substitute`
`sum`
`summary`
`suppressPackageStartupMessages`
`Sys.Date`
`Sys.getenv`
`Sys.setlocale`
`Sys.sleep`
`system.time`
`Sys.time`
`t`
`ts`
`table`
`tabulate`
`tail`
`tapply`
`tempfile`
`text`
`textConnection`	read data within R source code as though it was in an external text file.
`tolower`	converts a character vector to lower case.
`toString`
→	development/languages/R/functions/tolower-toupper[`toupper`] converts a character vector to upper case.
`tryCatch`	to catch calls to `stop()`
`t.test`
`typeof`	to determine the internal type or storage mode of an object.
`unclass`
`union`
`unique`
`unix.time`
`unlist`	can be used to turn a list into a vector.
`unname`
`upper.tri`
`var`
`vector`
`Vectorize`
`View`
`vignette`
`weekdays`
`which`
`which.min`
`which.max`
`wireframe`
`with`
`within`
`write`
`writeLines`
`writeRDS`
`write.csv`
`X11`

Index to (some) R functions

See also