as_string: as_string

In sigbertklinke/exams2moodle: Access routines to XML Moodle files and helper routines to simplify generating exercises for Moodle from the 'exams' package

as_string

Description

converts a character vector in a single string

Usage

as_string(txt, collapse = ", ", last = ", and ")

as_sum(txt)

as_obs(txt, name = "x", sorted = FALSE, ...)

as_fraction(val, latex = FALSE, sorted = FALSE, ...)

Arguments

txt	vector: (character) vector to merge
collapse	character: glue text between elements (default: ", ")
last	character: glue text between the two last elements (default: ", and ")
name	character: observation name (default: "x")
sorted	logical: sorted observations or not (default: FALSE)
...	further given from as_obs to as_string
val	numeric: values to convert into fractions
latex	logical use latex \frac{.}{.} or not (default: FALSE)

Value

a string

Examples

x <- runif(5)
y <- c(TRUE, FALSE, NA) 
as_string(x)
as_string(y)
# toString
as_string(as.character(x))
as_string(as.character(y))
#
as_obs(x)
as_obs(sort(x), sorted=TRUE)
#
x <- round(runif(5), 2)
as_fraction(x)
as_fraction(x, TRUE)
#
y <- round(runif(5), 2)
as_sum(x)

sigbertklinke/exams2moodle documentation built on July 6, 2023, 3:26 p.m.