rw_fac stands for 'rewriting rule'. Typically useful to correct typos at the import, or merge some levels within covariates. Drops levels silently.
Arguments
- x
any Momocs object
- fac
the id of the name of the $fac column to look for (fac_dispatcher not yet supported)
- from
which level(s) should be renamed; passed as a single or several characters
- to
which name should be used to rename this/these levels
See also
Other handling functions:
arrange(),
at_least(),
chop(),
combine(),
dissolve(),
fac_dispatcher(),
filter(),
mutate(),
rename(),
rescale(),
rm_harm(),
rm_missing(),
rm_uncomplete(),
sample_frac(),
sample_n(),
select(),
slice(),
subsetize()
Examples
# single renaming
rw_fac(bot, "type", "whisky", "agua_de_fuego")$type # 1 instead of "type" is fine too
#> type1 type2 type3 type4 type5
#> beer beer beer beer beer
#> type6 type7 type8 type9 type10
#> beer beer beer beer beer
#> type11 type12 type13 type14 type15
#> beer beer beer beer beer
#> type16 type17 type18 type19 type20
#> beer beer beer beer beer
#> type21 type22 type23 type24 type25
#> agua_de_fuego agua_de_fuego agua_de_fuego agua_de_fuego agua_de_fuego
#> type26 type27 type28 type29 type30
#> agua_de_fuego agua_de_fuego agua_de_fuego agua_de_fuego agua_de_fuego
#> type31 type32 type33 type34 type35
#> agua_de_fuego agua_de_fuego agua_de_fuego agua_de_fuego agua_de_fuego
#> type36 type37 type38 type39 type40
#> agua_de_fuego agua_de_fuego agua_de_fuego agua_de_fuego agua_de_fuego
#> Levels: agua_de_fuego beer
# several renaming
bot2 <- mutate(bot, fake=factor(rep(letters[1:4], 10)))
rw_fac(bot2, "fake", c("a", "e"), "ae")$fake
#> fake1 fake2 fake3 fake4 fake5 fake6 fake7 fake8 fake9 fake10 fake11
#> ae ae b c ae ae b c ae ae b
#> fake12 fake13 fake14 fake15 fake16 fake17 fake18 fake19 fake20 fake21 fake22
#> c ae ae b c ae ae b c ae ae
#> fake23 fake24 fake25 fake26 fake27 fake28 fake29 fake30 fake31 fake32 fake33
#> b c ae ae b c ae ae b c ae
#> fake34 fake35 fake36 fake37 fake38 fake39 fake40
#> ae b c ae ae b c
#> Levels: ae b c