repfromto: Virtual recycling

Description Usage Arguments Details Value Author(s) See Also Examples

View source: R/chunkutil.R

Description

repfromto virtually recylcles object x and cuts out positions from .. to

Usage

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repfromto(x, from, to)
repfromto(x, from, to) <- value

Arguments

x

an object from which to recycle

from

first position to return

to

last position to return

value

value to assign

Details

repfromto is a generalization of rep, where rep(x, n) == repfromto(x, 1, n). You can see this as an R-side (vector) solution of the mod_iterate macro in arithmetic.c

Value

a vector of length from - to + 1

Author(s)

Jens Oehlschl<c3><a4>gel

See Also

rep, ffvecapply

Examples

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  message("a simple example")
  repfromto(0:9, 11, 20)

OHDSI/bit documentation built on May 9, 2017, 3:30 p.m.