id stringlengths 16 145 | text stringlengths 1 179k | title stringclasses 1
value |
|---|---|---|
R_base_tools/R_base_all_379_1.txt | .6.2) .
_ R has no single precision data type. All real numbers are stored in double
precision format _ . The functions ` as.single ` and ` single ` are identical
to ` as.double ` and ` double ` except they set the attribute ` Csingle ` that
is used in the ` [ .C ](/link/.C?package=base&version=3.6.2) ` and ` [
.Fort... | |
R_base_tools/R_base_all_160_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# Memory-limits: Memory Limits in R
## Description
R holds objects it is using in virtual m... | |
R_base_tools/R_base_all_22_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# pretty: Pretty Breakpoints
## Description
Compute a sequence of about ` n+1 ` equally spac... | |
R_base_tools/R_base_all_214_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# prmatrix: Print Matrices, Old-style
## Description
An earlier method for printing matrices... | |
R_base_tools/R_base_all_290_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# showConnections: Display Connections
## Description
Display aspects of [ connections
](/li... | |
R_base_tools/stringr.html3_19_0.txt | * ` str_count() ` counts the number of matches:
# How many phone numbers in each string?
str_count(strings, phone)
#> [1] 0 1 1 2
* ` str_locate() ` locates the first position of a pattern and returns a numeric matrix with columns start and end. ` str_locate_all() ` locates all matches, ret... | |
R_base_tools/R_micropan_39_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ micropan (version 1.0 ) ](/packages/micropan/versions/1.0)
# bClust: Clustering sequences based on pairwise distances
## Description
Sequences are ... | |
R_base_tools/R_base_all_158_2.txt | .
## References
Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988) _The New S Language_ .
Wadsworth & Brooks/Cole.
## See Also
` [ demo ](/link/demo?package=base&version=3.6.2) ` which uses ` source ` ; `
[ eval ](/link/eval?package=base&version=3.6.2) ` , ` [ parse
](/link/parse?package=base&version=3.6.2) `... | |
R_base_tools/R_base_all_241_1.txt | ocsPath=packages%2Fbase%2Fversions%2F3.6.2%2Ftopics%2Fdiag&utm_source=r-docs&utm_medium=docs&utm_term=diag&utm_content=run_example_in_workspace)
Powered by [ DataCamp ](https://www.datacamp.com/)
| |
R_base_tools/R_base_all_98_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# any: Are Some Values True?
## Description
Given a set of logical vectors, is at least one ... | |
R_base_tools/R_base_all_223_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# row: Row Indexes
## Description
Returns a matrix of integers indicating their row number i... | |
R_base_tools/R_base_all_347_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# grep: Pattern Matching and Replacement
## Description
` grep ` , ` grepl ` , ` regexpr ` ,... | |
R_base_tools/R_base_all_194_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# agrep: Approximate String Matching (Fuzzy Matching)
## Description
Searches for approximat... | |
R_base_tools/strings.html7_74_0.txt |
x <- c("apple", "banana", "pear")
str_detect(x, "e")
#> [1] TRUE FALSE TRUE
Remember that when you use a logical vector in a numeric context, ` FALSE `
becomes 0 and ` TRUE ` becomes 1. That makes ` sum() ` and ` mean() ` useful
if you want to answer questions about matches across a larger ve... | |
R_base_tools/R_base_all_32_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# gc.time: Report Time Spent in Garbage Collection
## Description
This function reports the ... | |
R_base_tools/R_base_all_43_1.txt |
variable ` TZ ` set, yet have internal code that expects it (as does POSIX).
We have tried to work around this, but if you get unexpected results try
setting ` TZ ` . See ` [ Sys.timezone
](/link/Sys.timezone?package=base&version=3.6.2) ` for valid settings.
Great care is needed when comparing objects of class ` "POS... | |
R_base_tools/stringr.html4_48_0.txt | ### Anchoring
Anchoring simply means that we wish to indicate the start or the end of the
string. For example, if instead of finding all instances in which a string
contains the letter “a” we want to find those that start with the letter
“a”, we can “anchor” our expression with ` "^" ` which indicates the beginni... | |
R_base_tools/R_base_all_25_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# hexmode: Display Numbers in Hexadecimal
## Description
Convert or print integers in hexade... | |
R_base_tools/R_base_all_240_2.txt | 2) ` signal conditions, and ` [ try
](/link/try?package=base&version=3.6.2) ` is essentially a simplified version
of ` tryCatch ` . ` [ assertCondition
](/link/assertCondition?package=base&version=3.6.2) ` in package tools
_tests_ that conditions are signalled and works with several of the above
handlers.
## Example... | |
R_base_tools/R_base_all_205_1.txt |
R version information.)
Function ` .libPaths ` always uses the values of ` .Library ` and `
.Library.site ` in the base namespace. ` .Library.site ` can be set by the
site in ` Rprofile.site ` , which should be followed by a call to `
.libPaths(.libPaths()) ` to make use of the updated value.
For consistency, the pa... | |
R_base_tools/strings.html7_130_0.txt | 1. Find the stringi functions that:
1. Count the number of words.
2. Find duplicated strings.
3. Generate random text.
2. How do you control the language that ` stri_sort() ` uses for sorting? | |
R_base_tools/stringr.html3_15_0.txt |
x <- c("y", "i", "k")
str_order(x)
#> [1] 2 3 1
str_sort(x)
#> [1] "i" "k" "y"
# In Lithuanian, y comes between i and k
str_sort(x, locale = "lt")
#> [1] "i" "y" "k"
The locale always defaults to English to ensure that the default behaviour is
identical across systems. Lo... | |
R_base_tools/R_base_all_393_2.txt | n Goodbye!\n\n")
## Example of Rprofile.site
local({
# add MASS to the default packages, set a CRAN mirror
old <- getOption("defaultPackages"); r <- getOption("repos")
r["CRAN"] <- "http://my.local.cran"
options(defaultPackages = c(old, "MASS"), repos = r)
## (for Unix termi... | |
R_base_tools/stringr.html3_16_0.txt | ## Pattern matching
The vast majority of stringr functions work with patterns. These are
parameterised by the task they perform and the types of patterns they match. | |
R_base_tools/R_base_all_383_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# taskCallback: Add or Remove a Top-Level Task Callback
## Description
` addTaskCallback ` r... | |
R_base_tools/strings.html7_18_0.txt | Like most other functions in R, missing values are contagious. If you want
them to print as ` "NA" ` , use ` str_replace_na() ` :
x <- c("abc", NA)
str_c("|-", x, "-|")
#> [1] "|-abc-|" NA
str_c("|-", str_replace_na(x), "-|")
#> [1] "|-abc-|" "|-NA-|" | |
R_base_tools/R_base_all_192_1.txt | and ` gsub ` will give a marked
UTF-8 result if any of the inputs are UTF-8.
` [ paste ](/link/paste?package=base&version=3.6.2) ` and ` [ sprintf
](/link/sprintf?package=base&version=3.6.2) ` return elements marked as bytes
if any of the corresponding inputs is marked as bytes, and otherwise marked as
UTF-8 of any of... | |
R_base_tools/R_base_all_31_1.txt | he string ` "depends.ok" ` then
conflicts resulting from attaching declared dependencies will not produce
errors, but other conflicts will. This is likely to be the best setting for
most users wanting some additional protection against unexpected conflicts.
The policy can be tuned further by specifying the ` conflicts... | |
R_base_tools/R_base_all_367_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# userhooks: Functions to Get and Set Hooks for Load, Attach, Detach and
Unload
## Descriptio... | |
R_base_tools/R_base_all_338_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# expression: Unevaluated Expressions
## Description
Creates or tests for objects of mode ` ... | |
R_base_tools/R_base_all_304_1.txt | y [ DataCamp ](https://www.datacamp.com/)
| |
R_base_tools/R_base_all_86_1.txt | un_example_in_workspace)
# NOT RUN {
.Ob <- 1
ls(pattern = "O")
ls(pattern= "O", all.names = TRUE) # also shows ".[foo]"
# shows an empty list because inside myfunc no variables are defined
myfunc <- function() {ls()}
myfunc()
# define a local variable inside myfu... | |
R_base_tools/R_base_all_180_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# dump: Text Representations of R Objects
## Description
This function takes a vector of nam... | |
R_base_tools/strings.html7_133_0.txt | " R for Data Science " was written by Hadley Wickham and Garrett Grolemund.
This book was built by the bookdown R package. | |
R_base_tools/R_micropan_35_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ micropan (version 1.0 ) ](/packages/micropan/versions/1.0)
# setLeafAttributes: Setting leaf attributes
## Description
Function used to set leaf at... | |
R_base_tools/R_base_all_46_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# file.choose: Choose a File Interactively
## Description
Choose a file interactively.
## ... | |
R_base_tools/R_base_all_239_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# assign: Assign a Value to a Name
## Description
Assign a value to a name in an environment... | |
R_base_tools/R_base_all_380_1.txt | be a character string containing just one
single-byte character. ( ` NULL ` and a zero-length character vector are also
accepted, and taken as the default.)
skip
the number of lines of the input file to skip before beginning to read data
values.
nlines
if positive, the maximum number of lines of data to be read.
n... | |
R_base_tools/R_base_all_200_1.txt | , …. It is likely that there is a file
named something like ` zone.tab ` under that directory listing the locations
known as time-zone names (but not for example ` EST5EDT ` ). See also [
https://en.wikipedia.org/wiki/Zone.tab
](https://en.wikipedia.org/wiki/Zone.tab) .
Where R was configured with option \--with-in... | |
R_base_tools/stringr.html4_58_0.txt | ### Alternates
Sometimes we want to express patterns as a collection of possible matches,
alternatives, or even exclude patterns. The most common of these is the square
brackets, ` [] ` which indicate that we would like to match any one of the the
patterns in brackets. | |
R_base_tools/R_base_all_409_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# seek: Functions to Reposition Connections
## Description
Functions to re-position connecti... | |
R_base_tools/R_base_all_101_1.txt | nu <- seq(-10, 9, length.out = 2001)
## --- I() --- --- --- ---
matplot(nu, t(outer(xx, nu, besselI)), type = "l", ylim = c(-50, 200),
main = expression(paste("Bessel ", I[nu](x), " for fixed ", x,
", as ", f(nu))),
xlab = expression(nu))
abline(v... | |
R_base_tools/R_base_all_200_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# timezones: Time Zones
## Description
Information about time zones in R . ` Sys.timezone ... | |
R_base_tools/R_base_all_168_2.txt | nge to have warning messages emitted when unsupported options are used.
This is done by setting either of the options ` verbose ` or ` warn ` to be
non-zero via the ` [ options ](/link/options?package=base&version=3.6.2) `
function.
There is a short discussion of these additional arguments with some example
code avail... | |
R_base_tools/R_base_all_402_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# file.access: Ascertain File Accessibility
## Description
Utility function to access inform... | |
R_base_tools/R_base_all_160_1.txt | ^9\\),
which is also the limit on each dimension of an array.
## See Also
` [ object.size ](/link/object.size?package=base&version=3.6.2) (a) ` for the
(approximate) size of R object ` a ` .
Powered by [ DataCamp ](https://www.datacamp.com/)
| |
R_base_tools/strings.html7_81_0.txt | Note that matches never overlap. For example, in ` "abababa" ` , how many
times will the pattern ` "aba" ` match? Regular expressions say two, not
three:
str_count("abababa", "aba")
#> [1] 2
str_view_all("abababa", "aba")
#> Warning: `str_view()` was deprecated in stringr 1.5.0.
#> ℹ Plea... | |
R_base_tools/R_base_all_139_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# proc.time: Running Time of R
## Description
` proc.time ` determines how much real and CPU... | |
R_base_tools/strings.html6_38_0.txt | * ` [:alpha:] ` contains letters, including ` [:upper:] ` and ` [:lower:] `
* ` [:upper:] ` contains uppercase letters and ` [:lower:] ` contains lowercase letters
* The regex ` . ` contains all characters in the above classes, except new line. | |
R_base_tools/stringr.html4_52_0.txt |
s <- c("howdy", "otter", "tragedy", "danger", "octopus", "grapes")
Not such a silly function now, is it? | |
R_base_tools/R_base_all_284_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# sprintf: Use C-style String Formatting Commands
## Description
A wrapper for the C functio... | |
R_base_tools/strings.html7_36_0.txt | But if “ ` . ` ” matches any character, how do you match the character “ ` . `
”? You need to use an “escape” to tell the regular expression you want to
match it exactly, not use its special behaviour. Like strings, regexps use the
backslash, ` \ ` , to escape special behaviour. So to match an ` . ` , you
need the rege... | |
R_base_tools/R_base_all_225_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# Special: Special Functions of Mathematics
## Description
Special mathematical functions re... | |
R_base_tools/R_micropan_24_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ micropan (version 1.0 ) ](/packages/micropan/versions/1.0)
# distManhattan: Computing Manhattan distances between genomes
## Description
Computes t... | |
R_base_tools/R_base_all_156_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# Syntax: Operator Syntax and Precedence
## Description
Outlines R syntax and gives the pr... | |
R_base_tools/R_base_all_292_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# Paren: Parentheses and Braces
## Description
Open parenthesis, ` ( ` , and open brace, ` {... | |
R_base_tools/R_base_all_52_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# trace: Interactive Tracing and Debugging of Calls to a Function or Method
## Description
A... | |
R_base_tools/strings.html7_96_0.txt | ` str_extract() ` gives us the complete match; ` str_match() ` gives each
individual component. Instead of a character vector, it returns a matrix, with
one column for the complete match followed by one column for each group:
has_noun %>%
str_match(noun)
#> [,1] [,2] [,3] ... | |
R_base_tools/strings.html7_129_0.txt | If you find yourself struggling to do something in stringr, it’s worth taking
a look at stringi. The packages work very similarly, so you should be able to
translate your stringr knowledge in a natural way. The main difference is the
prefix: ` str_ ` vs. ` stri_ ` .
### 14.7.1 Exercises | |
R_base_tools/R_base_all_354_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# attr: Object Attributes
## Description
Get or set specific attributes of an object.
## U... | |
R_base_tools/R_base_all_380_3.txt | /link/readChar?package=base&version=3.6.2) ` and ` [ readBin
](/link/readBin?package=base&version=3.6.2) ` to read fixed or variable length
character strings or binary representations of numbers a few at a time from a
connection.
## Examples
[ Run this code
](https://app.datacamp.com/workspace/preview?_tag=rdocs&rdo... | |
R_base_tools/R_base_all_288_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# Ops.Date: Operators on the Date Class
## Description
Operators for the ` " [ Date ](/link/... | |
R_base_tools/R_base_all_278_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# lazyLoad: Lazy Load a Database of R Objects
## Description
Internal functions to lazy load... | |
R_base_tools/R_base_all_389_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# rowsum: Give Column Sums of a Matrix or Data Frame, Based on a Grouping
Variable
## Descrip... | |
R_base_tools/strings.html6_25_0.txt | * ` str_equal(x, y, locale = "en", ignore_case = FALSE, ...) ` 1 : Determine if two strings are equivalent.
str_equal(c("a", "b"), c("a", "c"))
* ` str_wrap(string, width = 80, indent = 0, exdent = 0) ` : Wrap strings into nicely formatted paragraphs.
str_wrap(sentences, 20) | |
R_base_tools/stringr.html4_20_0.txt | The first set of functions we will consider will be those that modify strings
directly. We already saw above that ` str_sub ` can extract a subset of a
string; it can also be used to modify specific portions of a string
# position 1 to 3 is "sta"
x <- "sta230"
str_sub(x, 1, 3)
## [1... | |
R_base_tools/stringr.html4_17_0.txt | The most common tasks we will have include
1. Mutating strings
2. Joining and splitting strings
3. Subsetting and extracting strings
4. Detecting patterns in strings | |
R_base_tools/strings.html6_40_0.txt | Alternates regexp | matches | example | example output
(highlighted characters are in <>)
---|---|---|---
` ab|d ` | or | ` alt("ab|d") ` |
<ab>c<d>e
` [abe] ` | one of | ` alt("[abe]" ` |
<a><b>cd<e>
` [^abe] ` | anything but | ` alt("[^abe]") ` |
... | |
R_base_tools/strings.html6_17_0.txt | * ` str_dup(string, times) ` : Repeat strings times times. Also ` str_unique() ` to remove duplicates.
str_dup(fruit, times = 2)
* ` str_split_fixed(string, pattern, n) ` : Split a vector of strings into a matrix of substrings (splitting at occurrences of a pattern match). Also ` str_split() ` to ret... | |
R_base_tools/R_base_all_255_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# unlink: Delete Files and Directories
## Description
` unlink ` deletes the file(s) or dire... | |
R_base_tools/R_base_all_154_1.txt | icular, ` as.numeric ` applied to a factor is
meaningless, and may happen by implicit coercion. To transform a factor ` f `
to approximately its original numeric values, ` as.numeric(levels(f))[f] ` is
recommended and slightly more efficient than ` as.numeric(as.character(f)) ` .
The levels of a factor are by default ... | |
R_base_tools/R_base_all_76_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# as.data.frame: Coerce to a Data Frame
## Description
Functions to check if an object is a ... | |
R_base_tools/R_base_all_377_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# getCallingDLL: Compute DLL for Native Interface Call
## Description
This is an internal fu... | |
R_base_tools/strings.html7_95_0.txt | Earlier in this chapter we talked about the use of parentheses for clarifying
precedence and for backreferences when matching. You can also use parentheses
to extract parts of a complex match. For example, imagine we want to extract
nouns from the sentences. As a heuristic, we’ll look for any word that comes
after “a” ... | |
R_base_tools/R_base_all_158_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# source: Read R Code from a File, a Connection or Expressions
## Description
` source ` cau... | |
R_base_tools/R_base_all_313_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# kappa: Compute or Estimate the Condition Number of a Matrix
## Description
The condition n... | |
R_base_tools/R_base_all_299_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# grouping: Grouping Permutation
## Description
` grouping ` returns a permutation which rea... | |
R_base_tools/R_base_all_306_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# bitwise: Bitwise Logical Operations
## Description
Logical operations on integer vectors w... | |
R_base_tools/strings.html7_33_0.txt | To learn regular expressions, we’ll use ` str_view() ` and ` str_view_all()
` . These functions take a character vector and a regular expression, and show
you how they match. We’ll start with very simple regular expressions and then
gradually get more and more complicated. Once you’ve mastered pattern
matching, you’ll... | |
R_base_tools/strings.html7_21_0.txt | To collapse a vector of strings into a single string, use ` collapse ` :
str_c(c("x", "y", "z"), collapse = ", ")
#> [1] "x, y, z" | |
R_base_tools/strings.html7_117_0.txt | * ` multiline = TRUE ` allows ` ^ ` and ` $ ` to match the start and end of each line rather than the start and end of the complete string.
x <- "Line 1\nLine 2\nLine 3"
str_extract_all(x, "^Line")[[1]]
#> [1] "Line"
str_extract_all(x, regex("^Line", multiline = TRUE))[[1]]
#> [1] "Line"... | |
R_base_tools/R_base_all_144_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# zpackages: Listing of Packages
## Description
` .packages ` returns information about pack... | |
R_base_tools/R_base_all_374_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# raw: Raw Vectors
## Description
Creates or tests for objects of type ` "raw" ` .
## Usag... | |
R_base_tools/R_base_all_404_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# tapply: Apply a Function Over a Ragged Array
## Description
Apply a function to each cell ... | |
R_base_tools/R_base_all_319_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# pcre_config: Report Configuration Options for PCRE
## Description
Report some of the confi... | |
R_base_tools/R_base_all_94_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# numeric: Numeric Vectors
## Description
Creates or coerces objects of type ` "numeric" ` .... | |
R_base_tools/strings.html7_37_0.txt | If ` \ ` is used as an escape character in regular expressions, how do you
match a literal ` \ ` ? Well you need to escape it, creating the regular
expression ` \\ ` . To create that regular expression, you need to use a
string, which also needs to escape ` \ ` . That means to match a literal ` \ `
you need to write ` ... | |
R_base_tools/R_base_all_358_1.txt | "variable %s contains missing values\n",
"variables %s contain missing values\n"),
paste(sQuote(miss), collapse = ", ")))
# }
Run the code above in your browser using [ DataCamp Workspace
](https://app.datacamp.com/workspace/preview?_tag=rdocs&rdocsPath=packages%2Fbas... | |
R_base_tools/R_base_all_6_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# logical: Logical Vectors
## Description
Create or test for objects of type ` "logical" ` ,... | |
R_base_tools/R_base_all_82_1.txt | rse data can be retrieved using ` [ getParseData
](/link/getParseData?package=base&version=3.6.2) ` applied to the ` srcfile `
object. Because parsing was incomplete, it will typically include references
to ` "parent" ` entries that are not present.
## Details
` parse(....) ` :
If ` text ` has length greater ... | |
R_base_tools/R_base_all_199_1.txt | ines ` :
controls the number of lines used when deparsing in ` [ traceback
](/link/traceback?package=base&version=3.6.2) ` , ` [ browser
](/link/browser?package=base&version=3.6.2) ` , and upon entry to a function
whose debugging flag is set. Initially unset, and only used if set to a
positive integer.
` digits... | |
R_base_tools/R_base_all_41_0.txt | [ RDocumentation ](/)
Moon [ ](https://github.com/datacamp/rdocumentation-2.0) [ Learn R
](https://www.datacamp.com/learn/r)
Search all packages and functions
[ base (version 3.6.2 ) ](/packages/base/versions/3.6.2)
# nargs: The Number of Arguments to a Function
## Description
When used inside a function bo... | |
R_base_tools/R_base_all_220_1.txt | "s
A <- 10.5
call("round", A) # round(10.5)
call("round", quote(A)) # round(A)
f <- "round"
call(f, quote(A)) # round(A)
## if we want to supply a function we need to use as.call or similar
f <- round
# }
# NOT RUN {
call(f, quote(A)) # error: first arg must be... | |
R_base_tools/strings.html6_31_0.txt | and ` writeLines("\\ is a backslash") ` will be parsed as ` \ is a backslash `
.
### Interpretation | |
R_base_tools/R_base_all_198_2.txt | ssible in only one of the modes: for
example ` [ pushBack ](/link/pushBack?package=base&version=3.6.2) ` is text-
oriented and is only allowed on connections open for reading in text mode, and
binary operations such as ` [ readBin
](/link/readBin?package=base&version=3.6.2) ` , ` [ load
](/link/load?package=base&versio... | |
R_base_tools/R_base_all_169_1.txt | h = 2) # not the same.
rep(1:4, c(2,2,2,2)) # same as second.
rep(1:4, c(2,1,2,1))
rep(1:4, each = 2, len = 4) # first 4 only.
rep(1:4, each = 2, len = 10) # 8 integers plus two recycled 1's.
rep(1:4, each = 2, times = 3) # length 24, 3 complete replications
rep(1, 40*(1-.8)... | |
R_base_tools/R_base_all_198_1.txt | ger status, invisibly. The status
is from when the connection was last closed and is available only for some
types of connections (e.g., pipes, files and fifos): typically zero values
indicate success. Negative values will result in a warning; if writing, these
may indicate write failures and should not be ignored.
` ... | |
R_base_tools/R_base_all_113_1.txt | ons(op)
# }
Run the code above in your browser using [ DataCamp Workspace
](https://app.datacamp.com/workspace/preview?_tag=rdocs&rdocsPath=packages%2Fbase%2Fversions%2F3.6.2%2Ftopics%2FTrig&utm_source=r-docs&utm_medium=docs&utm_term=Trig&utm_content=run_example_in_workspace)
Powered by [ DataCamp ](https:... | |
R_base_tools/R_base_all_237_1.txt | ` and ` [ readRDS
](/link/readRDS?package=base&version=3.6.2) ` .
## Examples
[ Run this code
](https://app.datacamp.com/workspace/preview?_tag=rdocs&rdocsPath=packages%2Fbase%2Fversions%2F3.6.2%2Ftopics%2Fload&utm_source=r-docs&utm_medium=docs&utm_term=load&utm_content=run_example_in_workspace)
# NOT... | |
R_base_tools/stringr.html4_24_0.txt | We can specify that we want this to apply to all instances of the pattern with
` str_replace_all `
str_replace_all(dog, "dog", "GOD")
## [1] "GOD_GOD_GOD_GOD_GOD" |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.