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childsds (version 0.9.11)

select_meas: choose one measurement per subject

Description

Choose one measurement per subject

Usage

select_meas(data, subject = "subject", prop = 1, verbose = F)

Value

dataframe containing the sampled rows

Arguments

data

dataframe as returned by prepare data

subject

name of the column containing the subject identifier

prop

optional - proportion of measurements to sample

verbose

if TRUE information about sample size is printed out

Author

Mandy Vogel

Details

function samples one measurement per subject, if prop < 1 additional a prop*100 percent will be sampled from the measurements the function is called inside do_iterations and may not called directly