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pawacc (version 1.1)

collapse.fun: Summary statistics

Description

Accessory function for collapsing accelerometer files.

Usage

collapse.fun(x, fun = list(mean = function(x) mean(x, na.rm = TRUE),
median = function(x) median(x, na.rm = TRUE),
sd = function(x) sd(x, na.rm = TRUE)))

Arguments

x
numeric vector.
fun
named list of functions to be applied to x.

Value

  • a list of named values of the same length as fun.

References

Geraci M, Rich C, Sera F, Cortina-Borja M, Griffiths LJ, and Dezateux C (2012). Technical report on accelerometry data processing in the Millennium Cohort Study. London, UK: University College London. Available at http://discovery.ucl.ac.uk/1361699

See Also

collapse.accfile