some

0th

Percentile

Sample a Few Elements of an Object

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.

Keywords
utilities
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.

Note

These functions are adapted from head and tail in the utils package.

References

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

See Also

head, tail, brief.

Aliases
  • some
  • some.data.frame
  • some.matrix
  • some.default
Examples
# NOT RUN {
some(Duncan)
some(Duncan, cols=names(Duncan)[1:3])
# }
Documentation reproduced from package car, version 3.0-5, License: GPL (>= 2)

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