car (version 3.0-10)

some: Sample a Few Elements of an Object

Description

Randomly select a few elements of an object, typically a data frame, matrix, vector, or list. If the object is a data frame or a matrix, then rows are sampled.

Usage

some(x, ...)

# S3 method for data.frame some(x, n=10, cols=NULL, ...)

# S3 method for matrix some(x, n=10, cols=NULL, ...)

# S3 method for default some(x, n=10, ...)

Arguments

x

the object to be sampled.

n

number of elements to sample.

cols

if NULL, use all columns, if a vector of column names or numbers, use only the columns indicated

arguments passed down.

Value

Sampled elements or rows.

References

Fox, J. and Weisberg, S. (2019) An R Companion to Applied Regression, Third Edition, Sage.

See Also

head, tail, brief.

Examples

# NOT RUN {
some(Duncan)
some(Duncan, cols=names(Duncan)[1:3])
# }