sd_glu {iglu} | R Documentation |
Calculate sd glucose level
Description
The function sd_glu
is a wrapper for the base function
sd()
. Output is a tibble object with subject id and sd values.
Usage
sd_glu(data)
Arguments
data |
DataFrame object with column names "id", "time", and "gl", or numeric vector of glucose values. |
Details
A tibble object with 1 row for each subject, a column for subject id and
a column for the sd values is returned. NA
glucose values are
omitted from the calculation of the sd.
Value
If a data.frame object is passed, then a tibble object with
two columns: subject id and corresponding sd value is returned. If a vector of glucose
values is passed, then a tibble object with just the sd value is returned.
as.numeric()
can be wrapped around the latter to output just a numeric value.
Examples
data(example_data_1_subject)
sd_glu(example_data_1_subject)
data(example_data_5_subject)
sd_glu(example_data_5_subject)
[Package iglu version 4.1.6 Index]