recode: recode
In sontron/madis: Manipulating and Analyzing Data Interactively with Shiny

Description Usage Arguments Value Author(s) Examples

recode is a function recode a variable into recoded groups.

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recode(x, groups, Labels = NULL, na.val = "others",
  method = c("ranges", "substrs", "elements")[1], mode = c("numeric",
  "character", "datetime")[1], tsFormat = "ymd")

`x`	is a vector which could be numeric, datetime or character
`groups`	is simlar with L in legal_set, but different in that for elements and substrs it should be a list
`Labels`	defines the labels for the returned value
`na.val`	label that are not included in the groups.
`method`	could be ranges, substrs and elements
`mode`	could be numeric, character or datetime
`tsFormat`	tsFormat to define the ts variable.

a recoded vector

sontron

x=rnorm(100)
recode(x,groups=c('(-Inf,0]','(0,Inf)'),Labels=c('negative_value','positive_value'),method='ranges',mode='numeric')
x=sample(letters[1:5],100,rep=T)
recode(x,groups=list(c('a','b'),c('c','d','e')),Labels=c('a-b','c-e'),method='elements',mode='character')
x=c('google','goodbye','doodle','doodoge','go!','bad')
recode(x,groups=list(c('goo'),c('doo')),Labels=c('include_goo','include_doo'),method='substrs',mode='character')

x=apply(expand.grid(2018,3:5,1:30),1,function(x)paste(x,collapse='-'))
recode(x,groups=c('[2018-3-1,2018-3-31]','[2018-4-1,2018-4-30]','[2018-5-1,2018-5-31]'),Labels=c('march','april','may'),method='ranges',mode='datetime',tsFormat='ymd')