sample_n {Momocs}

Sample n shapes

Description

Sample n shapes from a Momocs object. See examples and ?dplyr::sample_n.

Usage

sample_n(tbl, size, replace, fac, ...)

Arguments

tbl

a Momocs object (Coo, Coe)

size

numeric how many shapes should we sample

replace

logical whether sample should be done with ot without replacement

fac

a column name if a $fac is defined; size is then applied within levels of this factor

...

additional arguments to dplyr::sample_n and to maintain generic compatibility

Value

a Momocs object of same class

See Also

Other handling functions: arrange(), at_least(), chop(), combine(), dissolve(), fac_dispatcher(), filter(), mutate(), rename(), rescale(), rm_harm(), rm_missing(), rm_uncomplete(), rw_fac(), sample_frac(), select(), slice(), subsetize()

Examples

# samples 5 bottles no matter their type
sample_n(bot, 5)
# 5 bottles of beer and of whisky
table(sample_n(bot, 5, fac="type")$type)
# many repetitions
table(names(sample_n(bot, 400, replace=TRUE)))