accelerometry (version 2.1)

unidata: Uniaxial sample data for package accelerometry

Description

This dataset is used to illustrate the various functions in the package accelerometry.

Usage

data(unidata)

format

The format is: int [1:50400, 1:3] 21005 21005 21005 21005 21005 21005 21005 21005 21005 21005 ... - attr(*, "dimnames")=List of 2 ..$ : NULL ..$ : chr [1:3] "seqn" "paxday" "paxinten"

source

The data is for from five participants in NHANES 2003-2004 [1]. The full dataset is available at: http://wwwn.cdc.gov/nchs/nhanes/search/datapage.aspx?Component=Examination&CycleBeginYear=2003

Details

NA

References

1. Centers for Disease Control and Prevention (CDC). National Center for Health Statistics (NCHS). National Health and Nutrition Examination Survey Data. Hyattsville, MD: US Department of Health and Human Services, Centers for Disease Control and Prevention, 2003-6 http://www.cdc.gov/nchs/nhanes/nhanes_questionnaires.htm. Accessed February 1, 2014.

Examples

# Load in sample data
data(unidata)

# Plot full week of data from ID number 21007
counts.part3 <- unidata[unidata[,"seqn"]==21007,"paxinten"]
plot(counts.part3)