select_sample {ceterisParibus}

Select Subset of Rows

Description

This function selects subset of rows from data set. This is usefull if data is large and we need just a sample to calculate profiles.

Usage

select_sample(data, n = 100, seed = 1313)

Arguments

data

set of observations. Profile will be calculated for every observation (every row)

n

named list of vectors. Elements of the list are vectors with points in which profiles should be calculated. See an example for more details.

seed

seed for random number generator.

Details

Note that select_subsample function is S3 generic. If you want to work on non standard data sources (like H2O ddf, external databases) you should overload it.

Value

a data frame with selected rows

Examples

library("DALEX")
small_apartments <- select_sample(apartmentsTest)
head(small_apartments)